Arya Sen

During faunal surveys conducted in Coringa Wildlife Sanctuary, Andhra Pradesh, two species of gobiid fishes, namely Hemigobius hoevenii (Bleeker, 1851) and Mugilogobius tigrinus Larson, 2001, were identified as a new distributional record for these species in the state of Andhra Pradesh. Additionally, the presence of M. tigrinus in this region repr...

Aeromonas hydrophila infection is one of the key factors limiting tilapia production, and antibiotics play important roles in the control of diseases. This study evaluated the effectiveness of florfenicol (FFC) when administered orally at the therapeutic dose of 15 mg/kg fish biomass/day for 10 days against A. hydrophila infection in Oreochromis ni...

Eustrongylides ignotus (Jagerskiold, 1909), a nematode known for causing the parasitic disease ‘Eustrongylidosis’ in fish and birds, has been detected in four different indigenous fish species Channa marulius (Hamilton, 1822), Clupisoma garua (Hamilton, 1822), Ompok bimaculatus (Bloch, 1794) and Rita rita (Hamilton, 1822) in a pristine stretch of t...

The Ganges River holds a vital status within India as a cornerstone of the nation's ecological and socio-economic fabric. Flowing through diverse terrains like the Himalayas, Gangetic plains, and coastal regions, it fosters an incredibly rich biodiversity, supporting a myriad of life forms ranging from microorganisms to mammals. Beyond its ecologic...

The red-eared slider turtle, a highly sought-after pet globally, has become one of the most problematic invasive species, originating from the Mississippi River basin in North America. With millions exported worldwide, it has invaded numerous countries, posing threats to native ecosystems due to its aggressive behaviour and competition. Recent obse...

The present study dealt with the description and distribution of two species viz. Cirrhipathes spiralis, Cirrhipathes anguina under the subclass Hexacorallia, order Antipatharia reported from the Gulf of Mannar Biosphere Reserve, India. Earlier Cirrhipathes anguina was reported from Andaman and Nicobar Islands in 1903, and Cirrhipathes spiralis was...

Bacterial diseases such as motile Aeromonas septicemia are major constraints on aquaculture. This study evaluated the efficacy of oral oxolinic acid (OA) therapy at 12 mg kg biomass-1 day-1 for seven days to treat Aeromonas veronii-Av-F (AV) infection in Oreochromis niloticus. The lethal dose of AV for 50% mortality was determined to be 1.81 × 10 8...

The aquaculture industry urgently requires effective bacterial disease management strategies, necessitating better regulation of antibiotic application. This study investigated the effects of oral oxolinic acid (OA) administration on Oreochromis niloticus at the recommended dose of 12 mg (1 ×) and overdose of 36 mg (3 ×)/kg biomass/day for 7 consec...

Streptococcosis is considered one of the most important diseases affecting farmed tilapia, causing severe economic losses. Antimicrobial therapy is the principal control measure applied during outbreaks. This research assessed the efficacy of florfenicol (FFC) when fed at 15 mg kg biomass–1day–1for 10 days against Streptococcus agalactiaeinfection...

Aquaculture urgently needs improved bacterial disease management, highlighting the importance of regulating antibiotic usage. This study investigated the effects of dietary enrofloxacin (ENF) on Oreochromis niloticus at 10 mg (1×) and 30 mg (3×)/kg biomass/day for 5 days in comparison to the control. The genotoxic effects of ENF were gauged using t...

Infections caused by Aeromonas hydrophila are a major barrier to tilapia production. Antibiotics are essential for effective disease management for prophylactic and therapeutic purposes. This study assessed the efficacy of oral enrofloxacin (ENF) at the recommended dose of 10 mg/kg biomass/day for five days in combating A. hydrophila infection in O...

Aquaculture urgently requires effective bacterial disease management, necessitating improved regulation of antibiotic application. This study investigated the effects of oral oxolinic acid (OA) administration on Oreochromis niloticus at the dose of 12 (1×) and 36 mg (3×)/kg biomass/day for 7 consecutive days, relative to a control group. The 1× and...

The cultivation of tilapias, the third most farmed fish group globally, has been rapidly growing, especially in Southeast Asia. This surge in tilapia farming intensification has led to increased use of antibiotics to control bacterial diseases. This study investigated the safety implications of administering graded doses of enrofloxacin (ENF) at 0...

Bacterial diseases such as motile aeromonads septicaemia is major constraints in aquaculture. Oxolinic acid (OA) is a critically important drug for humans and serves as a second-line remedy in aquaculture. The present study was conducted to determine the efficacy of oral OA medication at 12 mg/kg biomass/day for 7 consecutive days in Oreochromis ni...

Bioinformatics is a field of study that uses computation to extract knowledge from biological data. It includes the collection, storage, retrieval, manipulation and modelling of data; for analysis, visualization or prediction through the development of algorithms and software. As an interdisciplinary field of science, bioinformatics combines biolog...

Although endangered, whale sharks are found worldwide in warm water regions. Their continued existence depends entirely on conservation efforts. In the current study, a whale shark sighting was recorded off the coast of Andhra Pradesh along the east coast of India during a marine faunal assessment in the area. To assess the current habitat range of...

Research on the distribution of gobioid fishes in India remains relatively scarce compared to the broader spectrum of ichthyofaunal diversity across the country. Koumans seminal work in 1941 is the most extensive investigation to date, documenting 124 species within this group. Since then, subsequent studies have contributed to enrich our understan...

Antibiotics are widely used to prevent and treat bacterial infections, increasing aquaculture productivity. However, their imprudent use can lead to unintended consequences, including pathological alterations in vital organs of aquatic organisms. The safety of florfenicol following in-feed administration at 10 times the recommended dose and three t...

The discovery of three previously undocumented gobioid fish species in Kerala's mangrove ecosystems, namely Eugna-thogobius mindora, Mugilogobius mertoni, and Mugilogobius rambaiae, marks a significant advancement in our understanding of the region's aquatic biodiversity. These findings highlight the importance of targeted sampling initiatives and...

A wide array of native small fish species are found in Sunderbans and these indigenous fish possess significant potential to address the “hidden hunger” issues of the local rural communities. Hunger and malnutrition are critical challenges in Indian Sunderbans, and leveraging these small fishes could make a substantial difference. Beyond addressing...

The current manuscript explores the initial underwater survey findings, revealing 19 heterobranch species across 10 genera, 6 families, 2 suborders, one order, and one superorder within the Visakhapatnam coast of Andhra Pradesh, India. While, the heterobranchs fauna of Andhra Pradesh has been studied by several authors, it has been observed that un...

Eleven fish species, namely Heniochus singularius Smith & Radcliffe, 1911; Entomacrodus vermiculatus (Valenciennes, 1836); Pomacentrus similis Allen, 1991; Myripristis berndti Jordan & Evermann, 1903; Myripristis seychellensis Cuvier, 1829; Sargocentron cornutum (Bleeker, 1854); Thalassoma lunare (Linnaeus, 1758); Pardachirus pavoninus (Lacepède, 1...

Water scarcity becomes a pressing issue when proper conservation measures are not employed. In recent times, there has been a gradual increase in the quantity of polluted water, commonly referred to as wastewater. To address this challenge and utilize wastewater for human needs, modern eco-friendly technology called phytoremediation has emerged. Ph...

The work describes the effect of dietary enrofloxacin on oxidative stress and histopathological changes in O. niloticus at recommended and higher dose

Recently discovered euryhaline hydroid forest in Indian Sundarban part of Hooghly-Matlah estuary was observed to harbour at least 19 species of marine organisms, utilizing the forest as shelter, breeding and nursery ground. Out of 19 species discovered, Melarhaphe neritoides (gastropoda), Synidotea laticauda (isopoda) are new records in Indian wate...

The potential of fish production from the wetlands mostly remains unutilized due to lack of technological interventions as fishing practices in wetlands are mostly based on indigenous methods using traditional gear. The availability of quality fish seeds is a limiting factor that affects the quantity of harvest from the wetlands. Raising fish seeds...

This study investigated the fish population, environmental characteristics, microhabitats, and soil erosion along the Barak River in Manipur and Assam. The survey covered 18 sites spanning from Maram in Senapati district, Manipur, to Badarpur in Karimganj district, Assam. The assessment involved analysing six physciochemical parameters and collecti...

The escalating prevalence of antimicrobial resistance (AMR) poses a significant threat to the effective management of fish health. As aquaculture continues to expand globally to meet the rising demand for nutrition, the reliance on antimicrobial agents in fish farming practices has surged. This heightened usage of antimicrobials, however, has led t...

Tank aquaculture refers to a method of fish farming or aquaculture that involves raising aquatic organisms, such as fish, shrimp, or other species, in enclosed tanks or containers. These tanks can vary in size and can be made of different materials such as concrete, fiberglass, plastic, or other suitable materials. In tank aquaculture, the environm...

Sundarban Biosphere Reserve is the largest tidal halophytic mangrove forest in the world, and it houses 173 species of Mollusca. The present study reports the occurrence of two snails from the mangrove ecosystem, viz., Ellobium incrassatum and Littoraria pallescens, from the Indian part of the Sundarban. This is the first time E. incrassatum has be...

Sunderban Biosphere Reserve (SBR) is the largest existing mangrove ecosystem in the world harbouring 177 species of Mollusca. During several surveys in Sunderban Biosphere Reserve to record the faunal diversity, five molluscan species, namely Dosinia tumida (Gray, 1838), Babylonia spirata (Linnaeus, 1758), Babylonia zeylanica (Bruguière, 1789), Ind...

Aquatic health management in tank aquaculture systems is crucial for maintaining a healthy environment for aquatic organisms such as fish, shrimp, or other aquatic species being cultivated.

Coringa Wildlife Sanctuary is one of the unique ecosystems in the State of Andhra Pradesh which is endowed with a complex of riverine, estuarine, mangrove, coastal and marine ecosystems with an area cover of 235.70 sq. km. During the faunal surveys in the mangrove forests of the sanctuary, two species of gobiid fishes viz., Eugnathogobius kabilia a...

Oxolinic acid (OA), a broad-spectrum quinolone antibiotic that plays a crucial role in human medicine, is often used in aquaculture as a second-line treatment at 12 mg/kg biomass/day continuously for seven days. The objective of this study was to assess its effectiveness against Aeromonas hydrophila infection in Nile tilapia Oreochromis niloticus i...

This communication presents the first distributional report of four gastropod species from West Bengal coast of India. These species include Littoraria intermedia (Philippi, 1846), Nerita semirugosa Récluz, 1841, Pila virens (Lamarck, 1822), and Tonna tessellata (Lamarck, 1816). These findings were made during a six-month investigation of malacofau...

An updated systematic inventory of the fish faunal variety from the state of West Bengal, comprising 894 species represented by 36 orders and 152 families, has been produced following an extensive review of the literature. Diversity-wise, order Acanthuriformes, has 19 families and 120 species, is the top order of both freshwater and marine fishes....

The study was conducted in four villages surrounding the Khalsi Wetland of Nadia district of West Bengal to identify the role of backyard poultry in livelihood improvement of the rural women and the constrains perceived by the women in backyard poultry farming. A total of 80 numbers of female respondents were selected from villages and they are pro...

West Bengal is bestowed with various aquatic ecosystems such as coastal and marine ecosystem, mangroves ecosystem, wetland ecosystem, rivers, streams and ponds. Hence the fish diversity of the state is also rich considering the numerous freshwater as well as brackish water ecosystem. An updated systematic inventory of the fish fauna from the state...

An account of the brachyuran crab diversity along the Andhra Pradesh coast of India has been represented in this communication. The checklist of brachyuran crabs has been prepared for the state of Andhra Pradesh based on reviews and compilation of published research works for this particular region. A total of 156 species belonging to 91 genera and...

West Bengal lies in the Northernmost part of peninsular India and has a rich variety of aquatic ecosystems such as hill streams, ponds, rivers, mangroves, mudflats, estuarine creeks, and small riverine channels which holds a large ichthyofaunal diversity of as much as 610 species of which a total of 350 species is harbored at Sunderban Biosphere Re...

Based on a specimen obtained from the Petuaghat fish landing on the West Bengal coast, Acanthocepola limbata (Valenciennes, 1835) is described here for the first time from the Northern Bay of Bengal. There is only one record of this species from the Gulf of Mannar, which is also on India's southeast coast. This species had previously been reported...

ACCESSION OQ891354 Collection locality: Konark Beach, Orissa, India

The present study reports the snowflake soft coral Carijoa riisei (Duchassaing and Michelotti, 1860) for the first time from the Digha coast, West Bengal, northeast coast of India, and it is reported from the Gulf of Mannar, southeast coasts to Gulf of Kachchh, northwest coasts of India. The sclerites ranged from 0.2 mm to 0.5 mm in size, and colle...

West Bengal lies in the Northern part of peninsular India and has a rich variety of aquatic ecosystems such as hill streams, ponds, rivers, mangroves, mudflats, estuarine creeks and small riverine channels which holds a large ichthyofaunal diversity of as much as 610 species. The present work reports the first record of two gobiid fish's viz., Aulo...

Four species of fishes viz., Acentrogobius viridipunctatus; Mugilogobius tigrinus; Oxyurichthys ophthalmonema; Pseudogobius poicilosoma; belonging to the family Gobiidae and one species Yarica hyalosoma belonging to the family Apogonidae are recorded from the mangroves of Kadalundi- Vallikkunnu Community Reserve, Kerala using a small aquarium net....

Conserving biodiversity is the high need of hour. Most of the snakes are harmless and play a pivotal role in maintaining the ecological balance irrespective of their conservation statuses. One needs to understand the reproductive success and the optimum conditions rendering a successful hatching and survival of the new born individuals to facilitat...

Fishes of the genera Bathygobius and Enneapterygius are represented by small crypto-benthic fishes occurring in shallow intertidal and subtidal areas comprised of sandy or rocky substrata. These species typically occur in the Indo-Pacific region. Lakshadweep Islands are one of the major Island ecosystems in India with atoll reefs. During a survey t...

Crustaceans are a highly diverse group. In particular, the order Decapoda represents a highly diverse order of malacostracan crustaceans. There are 7620 brachyuran species from 104 genera present globally. In India, 910 marine brachyuran crabs are reported, belonging to 361 genera and 62 families. Andhra Pradesh shows typical habitat heterogeneity...

Fishes under the genus Oxyeleotris are commonly known as sleeper gobies (Eleotridae: Butinae), being distributed widely across Asia in estuarine mangrove to near-shore marine benthic habitats. Presently, 17 valid species are recognized in the genus, none of which are previously reported from India. Present work reports the presence of Oxyeleotris u...

Oryzias is a genus of rice fish belonging to the family Adrianichthyidae (Class Actinopterygii, Order: Beloniformes), usually found in estuarine and freshwater areas. So far, only two species are recorded from West Bengal under this genus viz., Oryzias dancena (Hamilton 1822) and Oryzias melastigma (McClelland 1839). Present work reports the first...

Two species of brachyuran crabs from two families, Eucrate indica Castro & Ng, 2010 belonging to the family Euryplacidae and another one is Liagore rubromaculata (De Haan, 1983) belonging to the family Xanthidae are reported for the first time from the Visakhapatnam coast, Andhra Pradesh. The crabs were collected from the Visakhapatnam fishing harb...

Redigobius is a genus of goby fish belonging to order Gobiiformes. Redigobius is currently represented by 15 species worldwide of which Redigobius bikolanus is a widespread species. This species was recorded previously from Middle Andaman Island in 2002. There was not a single evidence of the species after that time, from Indian region. Recently, d...

Acanthocepola limbata (Valenciennes, 1835) is reported for the first time from Northern Bay of Bengalon the basis of specimens collected from Petuaghat fish landing, West Bengal coast and this species reported from Karnataka, Maharastra, Kerala, west coast of India and Gulf of Mannar, east coast of India. In this manuscript, details on the morpholo...

Plaintail turkeyfish, Pterois russelii Bennett, 1831 had been reported from coastal parts of West Bengal, but there is no record of this species from Sunderban Biosphere Reserve or any part of Indian mangrove ecosystems. The current communication adds P. russelii, as a new record to the ichthyofaunal diversity of the Indian Mangroves, as well as Su...

Pichavaram mangrove forest of Tamilnadu consists of 51 islets, ranging in size from 10 sq m to 2 sq km separated by intricate waterways, which connect the Vellar and Coleroon estuaries. So far, 177 species of fishes have been reported from this estuarine ecosystem. During faunal survey in Pichavaram Mangrove Forests during Jan- Feb 2020, mangrove f...

Fishes belonging to genus Acentrogobius are considered as true gobiies (Gobiidae: Gobiinae), being distributed widely across the Indo-west pacific in estuarine to near-shore marine benthic habitats. Presently, 25 valid species are recognised in the genus, of which eight species have previously been reported from India. Present work reports the pres...

Oryzias is a genus of rice fish and worldwide popular for the interest of using this fishes as an experimental model organism in various biochemical studies. This genus is commonly associated with mangrove and estuarine habitats of south East Asia. Oryzias javanicus is one of the 34 species, that comes under this genus is henceforth reported from A...

GOBIOID fishes diversity and distribution in Indian Sunderbans and their role in managing the mangrove ecosystem of the Sunderbans.

A study on the mating behaviour of Humerana humeralis was done during May, 2021 and it was found that these frogs not only mate in streams but also in grounds and still waters. The observations include axillary amplexus, competitive behavioural approaches in males, propagation from one water body to other for safety, mating on the ground away from...

Hermit crabs play a crucial role in the mangrove ecosystem; being scavenger in nature, they help in the quick removal of dead materials to soil. Hermit crabs belong to the Decapoda and superfamily Paguridae of the subphylum Crustacea. In India a total of 114 species of hermit crabs have been recorded, of which 20 species are reported so far from We...

Wuhanlinigobius is a genus of goby fish belonging to the family Gobiidae usually found in mangrove ecosystem. So far, only two species are described under this genus viz., W. polylepis and W. malayensis both from the Western Pacific Ocean region. The present work reports the presence of W. polylepis, from the mangrove ecosystem of Sunderban Biosphe...

Diversity and distribution of the Orthoptera fauna in Lothian Island Wildlife sanctuary within the Sunderban Biosphere Reserve, West Bengal was conducted in three different zones. one hundred fifty-one Orthoptera specimens were collected from various locations across Lothian Island and the study led to the identification of 30 species belonging to...

Sundarban Biosphere Reserve is the largest mangrove forest in the world, which accommodates 350 species of fishes. The present work reports the presence of Cirrhimuraena indica; Diploconger polystigmatus; Triacanthus nieuhofii; Upeneus sulphureus from the Sundarban Biosphere Reserve, West Bengal. In this report, C. indica and D. polystigmatus are a...

Sundarban Biosphere Reserve is the largest single strand mangrove forest in the world and houses 350 species of fishes. The present work reports the presence of Indo-Pacific Sergeant fish (Family Pomacentridae) Abudefduf vaigiensis (Quoy & Gaimard, 1825) from the Sundarban Biosphere Reserve, West Bengal. This is the first report of this family and...

Increasing toxicity has posed a serious threat to the environment worldwide. Drainage of textile effluents into the natural water sources has devastated the existence and survival of aquatic life. Channa punctata, an indigenous species has a profitable market value in South Eastern countries, whose reproductive viability gets hampered under the exp...

Increasing toxicity has posed a serious threat to environment worldwide. Drainage of textile effluents into the natural water sources has devastated the existence and survival of aquatic life. Channa punctatus, an indigenous species has a profitable market value in SE counties, is considered to be a weed fish in Indian scenario. The natural prolife...