Praveenraj Jayasimhan

• Doctor of Philosophy in aquatic animal health
• Scientist at Central Agricultural Research Institute

Betanodaviruses are the causative agents of the disease known as viral nervous necrosis (VNN) or viral encephalopathy and retinopathy (VER) in a variety of marine and freshwater fish species. The aim of this study was to demonstrate experimental infection of an isolate of betanodavirus (RGNNV genotype) in freshwater fish, Gambusia affinis, for eluc...

A new species of colorful snakehead from Meghalaya, northeastern India is distinguished from all its congeners by possessing a uniform bright blue to bluish-green body, bright-blue dorsal, anal, and caudal fins, submarginally black with white distal margin, series of brown to maroon-red, rounded, oblong or clover-shaped blotches or spots on dorsola...

We report hirudiniasis caused by the leech Hemiclepsis marginata asiatica Moore, 1924 in albino red-bellied pacu (pirapitinga) Piaractus brachypomus (Cuvier, 1818), constituting the first documentation of a freshwater fish species being affected in India. The outbreak occurred in a tank of an aquarium-fish retailer; infested fish appeared asphyxiat...

In the present study, occurrence of branchial parasitic cymothoid, Ryukyua circularis from the marine finfish, Amblygaster sirm is reported for the first time from Andaman Islands. Morphological characterization was carried out which confirmed the parasite as R. circularis. Molecular characterization using 28S rDNA revealed 443 bp sequence which ha...

Gokulraj, A.; Praveenraj, J.; Gnanadesikan, R., and Arumugam, U., 2019. Mycobacterial infection in ornamental fishes farmed in low saline waters of Tiruvallur District, India. In: Jithendran, K.P.; Saraswathy, R.; Balasubramanian, C.P.; Kumaraguru Vasagam, K.P.; Jayasankar, V.; Raghavan, R.; Alavandi, S.V., and Vijayan, K.K. (eds.), BRAQCON 2019: W...

Channa nachi, a new species of snakehead from Meghalaya, Northeast India, is distinguished from its congeners by a creamish-yellow to pale-brown coloured anterior and bluish posterior half of body; sides with 10-12 obliquely-arranged, pale-brown, saddle-like bands; translucent orange pectoral fin with 2-3 faint orange or brown bands; and with a COI...

The Chel Snakehead or Bora Chung, Channa amphibeus, is a large snakehead species endemic to the Himalayan region of India. Channa amphibeus was last recorded from specimens collected in the years between 1918 and 1933 (Shaw & Shebbeare 1938), leading to speculations that it may have gone extinct. Here, we report the re-discovery of the species afte...

Henneguya sp. is a crucial myxosporean parasite known to cause milky flesh or tapioca disease in the freshwater fish population, leading to heavy mortality. Studies to investigate its host range and to monitor their prevalence in wild and aquacultured fish are necessary. The infected orange-spotted snakehead (Channa aurantimaculata) fish samples sh...

Piscinoodinium is a well-known parasitic dinoflagellate genus that causes epizootics in tropical freshwater fish. This study investigated the first outbreak of Piscinoodinium sp. in freshwater fish of the Andaman Islands, India. The infection was noticed in the non-native fish Betta splendens and Poecilia reticulata , and in the endemic killifish A...

https://zoobank.org/NomenclaturalActs/6d31182d-adb8-499e-8dc3-ba36b26284d2

The present study reports the parasitism of cymothoid isopod Renocila bijui Aneesh & Bruce, 2020 from two host fish species, Chrysiptera unimaculata (Cuvier, 1830) and Acanthurus xanthopterus Valenciennes, 1835; for the first time. It was also observed and collected from its originally described host species, A. triostegus (Linnaeus, 1758) during t...

The present work reports an infection by Achlya sp., causing severe dermal ulceration and mortality in the endemic snakehead fish Channa aurantimaculata. Achlya sp. associated with the infection was isolated on potato dextrose agar (PDA) and confirmed by light microscopy following lactophenol cotton blue staining. Further confirmation was achieved...

Here, we report the first detection of lymphocystis disease virus (LCDV) in Indian glass fish in the Andaman Islands, India. Microscopic examination revealed the presence of whitish clusters of nodules on the fish’s skin, fins, and eyes. The histopathology of the nodules revealed typical hypertrophied fibroblasts. Molecular characterization of the...

Amblyceps crassioris, a new species of amblycipitid catfish, is described from the Mahanadi River basin in Odisha, India. The new species can be distinguished from its congeners in having a combination of the following characters: a deeply forked cau-dal fin, centrally projecting hooks on proximal lepidotrichia of median caudal-fin rays absent, jaw...

The flowerhorn cichlid is a popular ornamental fish in many Asian countries. The present study reports the occurrence of Paracapillaria philippinensis (Chitwood et al., 1968), a parasitic nematode in flowerhorn cichlid (Cichlasoma sp.) from south India. The infected fish demonstrated clinical symptoms viz. dark coloration, poor appetite, lethargy,...

This paper highlights the aquatic animal diseases and stakeholders perception towards aquatic animal health management for better governance and management in freshwater aquaculture sector of Andaman and Nicobar Islands (ANI), a tropical archipelago of India. Viral, bacterial, fungal, parasitic and nutritional deficiency diseases are reported from...

Background: Studies on the bacterial diseases from the Andaman and Nicobar Islands are scanty and have only two reports recorded during 1996 and 1999. A case of emaciation and abdominal dropsy caused by different strains of Aeromonas hydrophila was recorded by earlier workers in the Andaman, Islands. In the present work, a similar disease syndrome...

Freshwater turtles are among the least studied faunas in the Andaman and Nicobar Islands, India. Here, we report the presence of freshwater turtles (Cuora amboinensis) from Car Nicobar, a small remote island in the Nicobar archipelago comprising the Andaman and Nicobar Islands. Semi-structured interviews were conducted with the people belonging to...

Badis limaakumi, a new species of Badis from Nagaland, Northeast India is distinguished from all its congeners by the following combination of characters: a large (>60 mm SL) and slender body (23.2–28.0% of SL), presence of an opercular blotch at the base of the opercular spine, absence of blotches on the sides and fins, as well as on the cleithrum...

Pseudolaguvia permaris, a new sisorid catfish is described from the Mahanadi River basin in Odisha, India. The new species can be distinguished from congeners in having the following combination of characters: serrated anterior margin of dorsal-fin spine, thoracic adhesive apparatus not extending beyond base of last pectoral-fin ray, caudal peduncl...

Horadandia brittani is a small cyprinid fish species found in the coastal floodplains of southern India. For almost 50 years, the Horadandia genus was monotypic with only one species ( Horadandia atukorali ) confined to Sri Lanka until the discovery of H. brittani in south-western India in 1992. Despite being described as a separate species, H. bri...

We interviewed the Nicobarese tribal community (N = 95) of Car Nicobar Island situated in the Andaman and Nicobar archipelago, India to analyze the impact of COVID-19-related restrictions on their coastal fishing activities. Our surveys revealed a significant reduction (p < 0.001) in the average monthly income and fish catches during pre and post-C...

This communication reports an outbreak of immature paramphistomiosis in Andaman local goats (Capra aegagrus hircus) along with report of mortality and gross as well as histopathological changes. During the month of September, 2021 there was report of 38.57% mortality in goats which was investigated in depth. Outbreak occurred at South Andaman distr...

A survey was carried out at Parakkai Freshwater Lake, Kanyakumari, Tamil Nadu, India (8.1519°N; 77.4544°E) to study the freshwater fish biodiversity. The survey manifested the invasion of South American Armored Suckermouth catfish (Pterygoplichthys disjunctivus) native to Madeira River basin of South America province to the lake. The invasions of t...

A new species of Pethia from Nagaland, northeastern India is distinguished from all its congeners in the Ganges-Brahmaputra drainage, Kaladan drainage and the Chindwin-Ayeyarwady drainage by the following combination of characters: lateral line complete with 22-23 pored scales up to tail-fin base, 3 rd and 4 th lateral line scales with minute humer...

Sicyopterus garra Hora, 1925 from the insular streams of South Andaman Islands was synonymized with Sicyopterus microcephalus described from Java, South East Asia and has retained this taxonomic status since then. Recent collections of Sicyopterus from the type locality of S. garra and the examination of syntypes of this species revealed significan...

On the identity of the banded gourami Trichogaster fasciata with notes on the taxonomic status of Trichopodus bejeus (Teleostei: Perciformes: Osphronemidae) Abstract Based on its original description and putative topotypes, the identity of the banded gourami Trichogaster fasciata is resolved. Trichogaster lalia is a synonym of T. fasciata, and the...

Based on its original description and putative topotypes, the identity of the banded gourami Trichogaster fasciata is resolved. Trichogaster lalia is a synonym of T. fasciata, and the name Trichogaster bejeus is applied to the species hitherto identified as T. fasciata. T. fasciata is distinguished from its congeners in the shape of caudal fin, col...

Mystus irulu, new species, is described from the Netravathi River system from the Western Ghats of Karnataka. It differs all South Asian congeners in having a uniformly black colour pattern, a long-based adipose fin reaching the base of the last dorsal-fin ray anteriorly, dorsal fin with convex dorsoposterior margin, and the following combination o...

Pseudolaguvia vespa, new species, is described from the Tsücha River, Mokokchung district, Nagaland, India. The new species can be distinguished from congeners in having the following combination of characters: length of dorsal-fin spine 12.3-16.8% SL, a smooth anterior edge of the dorsal-fin spine, caudal peduncle depth 9.0-10.5% SL, body depth at...

The present study provides notes on Cocotropus roseus Day, 1875, a poorly known endemic fish from the Bay of Bengal, Eastern Indian Ocean. The morphometric data and color images are provided herein based on fresh specimens collected from Chennai, south India, its type locality, Bay of Bengal, Eastern Indian Ocean.

The present study was aimed at understanding the impact of COVID-19 pandemic related restrictions on the freshwater aquaculture sector of Andaman and Nicobar archipelago (ANI). We interviewed the freshwater fish farmers (N = 211) covering all the three districts (North and Middle, South Andaman, Nicobar district) of the archipelago. The results rev...

Rakthamichthys mumba, a new species of synbranchid, hypogean, eel is described from Mumbai City, Maharashtra, India, based on morphological and genetic analysis. It differs from all other species of the genus Rakthamichthys by a combination of characters viz., absence of eyes, jaws equal in forward extent, gill aperture crescentric shaped, cephalic...

This article examines the non-native fishes in the freshwater bodies of Andaman and Nicobar Islands with a focus on understanding the perception of stakeholders towards providing management solutions. A total of 56 freshwater fish species were reported from Andaman and Nicobar Islands of which 23 species were non-native to the Islands introduced ei...

The present study records spectacled sand-goby Istigobius diadema (Gobiidae) and tripletail Lobotes surinamensis (Lobotidae) for the first time from Pulicat lagoon, India. Morphological and meristic characters for both the species are described herein. This study finds the current observations as new distributional records for the above two species...

The present study was intended to screen the wild crustaceans for co-infection with Infectious Hypodermal and Hematopoietic Necrosis Virus (IHHNV) and White Spot Syndrome Virus (WSSV) in Andaman and Nicobar Archipelago, India. We screened a total of 607 shrimp and 110 crab samples using a specific polymerase chain reaction, and out of them, 82 shri...

The book ‘Fish ID-An eBOOK: Commercially important marine fish landing in Andaman and Nicobar Archipelago (Vol I)’ in its present form represents an excellent overview of the commercially important marine fish landings and their identification methods. Comprising of striking morphological characters and other detailed information on fish taxonomy,...

Bacillus strains obtained from the mangrove environment served as dietary probiotics for Labeo rohita which was evaluated by feeding trial at laboratory and also revalidated by field trial in earthen ponds. Inclusion of dietary probiotic bacterial consortia comprising of B. amyloliquefaciens BN06, B. subtilis WN07 and B. megaterium CT03 at 106 cfu/...

The present study was aimed at evaluating the effects of Bacillus strains obtained from the mangrove environment as dietary probiotic on Rohu, Labeo rohita. Under the laboratory trial, Rohu fingerlings (average weight 5.02 ± 0.85 g) were fed with nine experimental diets containing B. amyloliquefaciens BN06 (10 6 cfu/ g feed as Treatment 1 (T1) and...

The present study was aimed at evaluating the effects of Bacillus strains obtained from the mangrove environment as dietary probiotic on Rohu, Labeo rohita. Under the laboratory trial, Rohu fingerlings (average weight 5.02 ± 0.85 g) were fed with nine experimental diets containing B. amyloliquefaciens BN06 (10 6 cfu/ g feed as Treatment 1 (T1) and...

This article examines the non-native fishes in the freshwater bodies of Andaman and Nicobar Islands with a focus on understanding the perception of stakeholders towards providing management solutions. A total of 56 freshwater fish species were reported from Andaman and Nicobar Islands of which 23 species were non-native to the Islands introduced ei...

Perkinsus sp., an important protozoan parasite of mollusca is reported in the bivalve Magallana bilineata (Roding, 1798) for the first time from Pulicat Lake, Thiruvallur District, Tamil Nadu, southeast coast of India. Molluscs collected from Pulicat Lake were screened for Perkinsus sp. as part of a statewide aquatic animal disease surveillance pro...

Perkinsus sp., an important protozoan parasite of mollusca is reported in the bivalve Magallana bilineata (Roding, 1798) for the first time from Pulicat Lake, Thiruvallur District, Tamil Nadu, southeast coast of India. Molluscs collected from Pulicat Lake were screened for Perkinsus sp. as part of a statewide aquatic animal disease surveillance pro...

Floral resources are abundant across the globe as it forms a key role in an ecological pyramid and enriched with a bunch of medicinal properties. Historical statue reveals various plants and its materials were used for treatments of different ailments and injuries and also used as nutraceuticals in humans and animals and also used for pest control...

This study provides the first record of Parexocoetus mento (Valenciennes, 1847) from the waters off Andaman Islands which was previously known to be distributed in the Red Sea; Indo-West Pacific: eastern Africa east to the Marshall Islands and Fiji, north to southern Japan, south to northern Australia; Mediterranean Sea (Red Sea immigrant). This re...

Ptereleotris cyanops n. sp. is described from five specimens collected in trawl landings at Chennai, Tamil Nadu, East Coast of India. The new species is unusual among congeners in possessing a wide interdorsal space, its width 2.5-3.2% in SL. The new species resembles P. microlepis in general morphology and coloration, but is readily distinguished...

Schistura hiranyakeshi, a new species of loach is described from Hiranyakeshi River, Amboli, Sindhudurg district, Maharashtra. It is unique among congeners from peninsu-lar, northeastern, and central India, and Sri Lanka in having an incomplete lateral line with 6-7 pores and ending at a point vertical at half the length of the adpressed pectoral f...

The Bearded Ghoul, Inimicus didactylus (Pallas, 1769), a member of stonefish family previously known to be distributed only in the western Pacific from southern Japan, northern Australia and Vanuatu is reported herein from the southeast coast of India. This report constitutes the fifth species of the genus Inimicus to be reported from the Indian wa...

A sampling was carried out at Madambakkam Freshwater Lake, Chennai, Tamil Nadu, India (12°56'54.0672'' N; 79°55' 17.1012''E) to study the fish biodiversity. It was found that the lake was infested with an exotic Cichlid, Cichlasoma trimaculatum native to South America. Cichlasoma trimaculatum is a predacious invasive fish that eats any smaller fish...

A shrimp-associated goby, Myersina yangii (Chen, 1960), is reported from the east coast of India, based on a single specimen. It measured 61.16 mm in standard length. This finding represents the second record of the genus Myersina and the first record of M. yangii from Indian waters. The species is discussed herein with its meristic and morphometri...

A large-tooth flounder, Pseudorhombus diplospilus Norman (1927) (Pleuronectiformes: Paralichthyide), is reported from east coast of India based on a single specimen collected from Royapuram fishing harbor, Chennai, Tamil Nadu with detailed meristic and morphometric study. This forms the ninth species in the genus Pseudorhombus and the second specie...

Length-weight relationships (LWRs) were estimated for seven fish species captured as bycatch along the Chennai coast, Bay of Bengal, Eastern Indian Ocean. Fish samples were collected fortnightly between June-2018 to February-2019 from the commercial boats operating bottom trawl nets with a cod-end mesh size of 35mm. The total length (L) and the wet...

Length-weight relationships (LWRs) were estimated for seven fish species captured as bycatch along the Chennai coast, Bay of Bengal, Eastern Indian Ocean. Fish samples were collected fortnightly between June-2018 to February-2019 from the commercial boats operating bottom trawl nets with a cod-end mesh size of 35mm. The total length (L) and the wet...

Among the myxozoan parasites, the genus Myxobolus is considered as the emerging parasite in freshwater aquaculture. In the present study, a disease outbreak associated with mass mortality was investigated in a carp farm located at North and Middle Andaman district of Andaman and Nicobar Islands. The affected rohu fry exhibited the clinical signs su...

The present report describes the isolation and identification of a multiple drug resistant Enterococcus spp. from diseased zebrafish from a commercial rearing facility in Chennai, Tamil Nadu, India. Zebrafish (Danio rerio) has recently gained great significance as a vertebrate animal model, as its immune system is remarkably similar with that of th...

The present report describes the isolation and identification of a multiple drug resistant Enterococcus spp. from diseased zebrafish from a commercial rearing facility in Chennai, Tamil Nadu, India. Zebrafish (Danio rerio) has recently gained great significance as a vertebrate animal model, as its immune system is remarkably similar with that of th...

An 8‐week feeding trial was conducted with extruded practical diets containing 320 g/kg of crude protein from plant‐based sources to determine the effects of L‐lysine on growth performances, muscle‐growth‐related gene (myoD, myogenine and myostatin) expression and haemato‐biochemical responses in juvenile genetically improved farmed tilapia (GIFT)....

An 8-week feeding trial was conducted with extruded practical diets containing 320 g/kg of crude protein from plant-based sources to determine the effects of L-lysine on growth performances, muscle-growth-related gene (myoD, myogenine and myostatin) expression and haemato-biochemical responses in juvenile genetically improved farmed tilapia (GIFT)....

Length–weight relationships (LWRs) of six finfish species under two families of the order Perciformes collected from Pulicat lagoon (India) are presented in this study. The fish specimens were collected weekly from the catches of shore seine net (with a mesh size of 50mm at the main webbing and 10 mm at the cod end) operated in the lagoon at an ave...

Gymnothorax andamanensis sp. nov., a new short brown moray eel, is described here on the basis of two specimens collected from Port Mout, Port Blair, South Andaman (11.659327°N; 92.696148°E), caught using baited hand-lines in a sandy habitat at a depth of less than 2 m. The species is characterized in having the dorsal-fin origin before the gill op...

Channa brunnea, a new species of snakehead fish lacking pelvic fins, from West Bengal, India, is distinguished from its pelvic fin-less congeners by possessing an uniform dark brown body, ochre to bright-orange blotches on the caudal fin, fewer dorsal and anal-fin rays (35–37 vs. 47–51 and 24 vs. 28–32, respectively), fewer vertebrae (43 vs. 45–57)...

The present investigation reports the occurrence and prevalence of the parasitic cymothoid, Norileca indica infesting bigeyescad, Selar crumenophthalmus from the Andaman Islands. Damage in the form of erosion of gill filament and necrosis in the gill chamber of the host fish, with a prevalence of 26.08% and a mean intensity of 1.5 is recorded. Mole...

The scorpion fishes belonging to the order, Scorpaeniformes are bottom dwellers with a bony ridge or stay across the cheek connecting the bones under the eye with gill cover. Hence it is also called as ‘mail-cheeked fishes’. Most of these species in the group possess spines projecting from bony ridges on the head and from gill cover. Most of the fi...

Channa lipor, a new species of snakehead of the C. gachua species-group, is described based on 11 specimens from Meghalaya, Northeast India. It is distinguished from its congeners by possessing an orange, bronze-brown dorsum and fins, 9–12 black spots or blotches on the dorsal-fin sub-margin appearing parallel along the length of the dorsal-fin bas...

Tropical marine Islands are home to rich and highly endemic biodiversity because of their geographical seclusion. The geographical isolation supports the biodiversity against anthropogenic activities despite being vulnerable to natural disasters. Marine Islands hosts invaluable marine resources such as coral reefs, seagrass beds, mangroves and its...

The Nilgiri Mystus Hemibagrus punctatus (Jerdon, 1849), a Critically Endangered catfish endemic to the Western Ghats of India, is recorded for the first time from Stanley Reservoir in Tamil Nadu, India. An account of the morphometrics of this species, along with notes on its habitat and threats, is provided.

2017. Danio rerio (Actinopterygii: Cypriniformes: Cyprinidae): A new record from Andaman Islands, India. Acta Ichthyol. Piscat. 47 (4): 391-396. Abstract. Danio rerio (Hamilton, 1822) is reported herewith for the first time from Andaman group of islands, which is a new addition to the freshwater fish fauna and also a significant insular record othe...

This study provides the first record of Lutjanus xanthopinnis Iwatsuki, Tanaka et Allen, 2015 from the Andaman Islands. The new record is based on 2 specimens, 123 and 154 mm SL, captured inshore of Dignabad, Port Blair, Andaman Islands, India. The fish were examined, described, and illustrated. Morphometric and morphological data confirmed that th...

A new species of snakehead fish Channa royi sp. nov., has been described based on 21 specimens collected from the South, Middle and North Andaman Islands, India. It is distinguished from all its congeners by a greenish-grey dorsum, pale brown to black pectoral fin with 2-3 inconspicuous semicircular bands, a series of 7-9 obliquely-arranged, saddle...

A new record of Lutjanus xanthopinnis from Andaman Islands, India.

Channa bipuli, a new species of colorful snakehead from Assam, Northeast India, is distinguished from all its con-geners by possessing a unique bluish dorsum, 25-32 minute, well defined black spots on post-orbital region, inter-orbital region with fewer, dull black spots, lower jaw under-surface with minute black to brown spots, and numerous black...

Channa quinquefasciata, a new species of snakehead from Torsa River, West Bengal, differs from all congeners by possessing a unique greyish to chrome-yellow body colour, with five black oblique bands horizontally along the upper half of the lateral body, dorsal-fin membrane with three rows of multiple black to brown oblong spots running horizontall...

Channa bipuli, a new species of colorful snakehead from Assam, Northeast India, is distinguished from all its congeners by possessing a unique bluish dorsum, 25-32 minute, well defined black spots on post-orbital region, inter-orbital region with fewer, dull black spots, lower jaw under-surface with minute black to brown spots, and numerous black s...

Channa quinquefasciata, a new species of snakehead from Torsa River, West Bengal, differs from all congeners by possessing a unique greyish to chrome-yellow body colour, with five black oblique bands horizontally along the upper half of the lateral body, dorsal-fin membrane with three rows of multiple black to brown oblong spots running horizontall...

Gobiid fishes are one of the dominant and cryptic taxa in tropical coral reefs. Andaman and Nicobar Islands of India consist of fringing and barrier reefs which harbour huge fish diversity. Due to morphological ambiguity and cryptic life styles, identification and delimitation of gobiids is difficult. In the present study, we report the occurrence...

From the present work, 24 species of freshwater fishes belonging to six orders, 12 families and 19 genera are reported. The family Gobiidae constituted six genus and eight species, followed by Eleotridae with four genus and seven species. Seven species are known to be diadromous and share distribution elsewhere; three species, namely, Channa sp., R...

A new species of snakehead fish Channa royi sp. nov., has been described based on 21 specimens collected from the South, Middle and North Andaman Islands, India. It is distinguished from all its congeners by a greenish-grey dorsum, pale brown to black pectoral fin with 2-3 inconspicuous semicircular bands, a series of 7-9 obliquely-arranged, saddle...

The ocellated shrimp goby, Tomiyamichthys russus (Cantor, 1849), is reported for the first time from the Andaman Islands, India based on a single, female specimen collected during a shore seine operation at Port Blair, South Andaman. The examined specimen is described taking into account the meristics, morphometry, sensory pore arrangement, and the...

Danio rerio (Hamilton, 1822) is reported herewith for the first time from Andaman group of islands, which is a new addition to the freshwater fish fauna and also a significant insular record other than its known distribution range. The morphological description of D. rerio collected from North and Middle Andaman Island and the mainland, India topot...

The present study was intended to screen the wild shrimps of Andaman and Nicobar Islands (ANI) against infectious diseases. A total of 175 shrimp samples (35 pools) consisting of Fenneropenaeus indicus, Penaeus monodon, Penaeus merguiensis and Metapenaeus monoceros were collected from different landing centres across ANI. Out of 35 pools of samples...

The present study was intended to screen the wild shrimps of Andaman and Nicobar Islands (ANI) against infectious diseases. A total of 175 shrimp samples (35 pools) consisting of Fenneropenaeus indicus, Penaeus monodon, Penaeus merguiensis and Metapenaeus monoceros were collected from different landing centres across ANI. Out of 35 pools of samples...

White spot syndrome virus (WSSV) is one of the most prevalent, widespread and devastating pathogen associated with shrimp population. The present study was aimed at screening the wild caught shrimps from Andaman and Nicobar Islands (ANI) for WSSV infection. Shrimp samples of different penaeid species including Penaeus monodon, Penaeus indicus, Pena...

report of Redigobius oyensi from Car Nicobar Island.