Noor Us Saher

Noor Us Saher
University of Karachi · Center of Excellence for Marine Biology

Ph.D

About

133
Publications
31,564
Reads
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486
Citations
Citations since 2016
95 Research Items
422 Citations
2016201720182019202020212022020406080
2016201720182019202020212022020406080
2016201720182019202020212022020406080
2016201720182019202020212022020406080
Introduction
Noor Us Saher currently works at the Centre of Excellence in Marine Biology, University of Karachi. Noor does research in the field of Molecular Biology, Marine Biology and Ecology. Their current projects are crustacean genetic diversity, metal pollution assesments and identification of bio-indicators for molecular and environmental studies.
Additional affiliations
August 2007 - present
University of Karachi
Position
  • Professor (Assistant)
Education
February 2002
University of Karachi
Field of study

Publications

Publications (133)
Article
Full-text available
Nine species of fiddler crabs (Crustacea: Ocypodidae: Gelasiminae) are known from the Arabian Sea and adjacent waters (Red Sea, Gulf of Aden, Gulf of Oman and Arabian/Persian Gulf): five species of Austruca, one Cranuca, two Gelasimus and one Tubuca. COI sequence data match morphological species boundaries and shows high connectivity within each. T...
Article
This study endeavored to probe the impact of environmental heterogeneities on heavy metals allocation in fiddler crab (Austruca iranica) in the marine environment of Pakistan. All studied metals showed spatial variations in fiddler crabs, except Pb, and average accumulation pattern seen as Fe > Zn > Cu > Pb > Ni > Co > Cr > Cd. Trace element pollut...
Presentation
Pakistan has a wide variety of Shrimps, it includes Family Aristeidae, Family Benthesicymidae, Family Penaeidae, Family Sicyoniidae and Family Solenoceridae. There are total 46 species of 13 genera in the Family Solcnoceridae, genus Solenocera Lucas, 1849 has marketable importance and occurring on shore as well as in deeper waters throughout its ra...
Presentation
Full-text available
DNA barcoding is a very unique technique, any small fragment of DNA sequence can be used for specific organisms' identification up to the specie level. It is used worldwide for forensic identification as well .it could be a bit controversial but it has a lot of potential in recognition of species. it involves a sequencing of mitochondrial DNA COI s...
Article
Full-text available
The study was planned to evaluate the inter, and intra population genetic variation in general protein banding pattern in Oestrus ovis larvae, by using 10% sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS PAGE). The larvae were collected from slaughtered goats head from five different locations (AAS, PN, LA, GM, and BC) of Karachi, Pa...
Article
Full-text available
INVESTIGATION OF BIOCHEMICAL ASPECTS IN EDIBLE TISSUES OF FLATFISHES ALONG THE COASTS OF BALUCHISTAN AND SINDH Wajid Ali 1 , Noor us Sahar 2 , Faiz Muhammad2 , Muhammad Aslam 1 and Muhammad Shafi 1* 1 Lasbella University of Agriculture, Water and Marine Sciences, Uthal, Balochistan. 2Centre of Excellence in Marine Biology, University of Karachi,...
Chapter
The purpose of this chapter was to congregate the information about the morphological traits of the crabs, their integrated association and effect on individual life history, population, speciation and stock assessment so that it could lay a foundation for better understanding in the field of taxonomic and phylogenetic studies, ecological studi...
Conference Paper
Full-text available
he worldwide distribution of Penaeid shrimps is well known in tropical and subtropical waters. Shrimps are consumed globally and always remain a significant source of income and commercial importance (Vandeputte, and Haffray, 2014). In estuaries and coastal zones they constitute a significant portion of exploitable resources. Wild species show more...
Article
Full-text available
Spatiotemporal distributions of heavy metals (HMs) and their contamination status linked with the sedimentary environment were investigated in 2 monitoring years (MY-I and MY-II) along the Pakistan coast. The concentrations of HMs in sediments were analyzed through an atomic absorption spectrometer and presented the following order: Fe > Zn > Cu >...
Article
Full-text available
The Thenus species are the most inexpensively significant catch component of demersal trawl shrimp fisheries in the Indo West Pacific region. Previously inadequate specimens of T. unimaculatus identified from India, Thailand, United Arab Emirates, Spain and Mozambique. In the present study genetic diversity of T. unimaculatus based on mt-DNA COI ge...
Article
Full-text available
Investigation was carried out to find out the prevalence and larval burden of O. ovis in goats. Slaughtered goat heads were examined for O. ovis larvae infection from March 2018 to February 2019 at different slaughterhouse in multiple areas of Karachi. A total of 527 (285 male and 242 female) goat heads were examined for the presence of O. ovis lar...
Article
Full-text available
The first record of seahorse Hippocampus kelloggi commonly known as the great Seahorse from the coastal waters of Pakistan based onmorphological and morphometric characteristics. The Seahorses belong to family Syngnathidae and about 50 species have been reported acrossthe world. They have been found to inhabit coral reefs, seagrass beds and also co...
Article
Full-text available
The larvae of Oestrus ovis Linné, 1758 are well-known parasites of goats and sheep. Larval instars of O. ovis are described based on specimens collected from nasal cavities, frontal sinuses and base of the horns of goats from Karachi, Pakistan. Three instars of larvae are described in detail, including body coloration, dorsal and ventral body spine...
Article
Full-text available
Shrimp communities of the coastal habitat of the Sonmiani Lagoon were shown to be dominated by family Penaeidae. Seasonal variation in the relative abundance and species diversity of penaeid shrimps was derived from sampling of 2554 individuals representing twelve species of three genera. The results showed that species of the genus Penaeus dominat...
Article
Full-text available
Shrimp communities of the coastal habitat of the Sonmiani Lagoon were shown to be dominated by family Penaeidae. Seasonal variation in the relative abundance and species diversity of penaeid shrimps was derived from sampling of 2554 individuals representing twelve species of three genera. The results showed that species of the genus Penaeus dominat...
Presentation
Within Penaeidae, Metapenaeopsis is the most diverse genus and M. stridulans is the only species which is confirmed from molecular and systematic identification. The traditional taxonomic identification revealed unsymmetrical petasma as a major identification tool while stridulating organ constituted a strongly supported feature. However, the morph...
Article
Full-text available
In the Anthropocene era, an immersion of toxic substances, i.e., trace metals, has been enhanced in the marine environment not only due to urban sprawl and industrial development but predominantly owing to incongruous management and lack of sustainable approaches. The coastal region of Pakistan shares a similar obstacle as most of the developing co...
Article
Full-text available
The box crab Calappa exanthematosa Alcock and Anderson, (1894) re-described from the coastal waters of Pakistan. C. exanthematosa was collected as a bycatch during the shrimp trawling. This species previously synonymised under C. japonica Ortmann, (1892) from the Bay of Bengal, (type locality Japan), since 1937 to till date (Galil, 1997; Spiridinov...
Article
Full-text available
The primary objective of this study was to investigate the seasonal fish and crustacean variations concerning taxonomic composition, species richness, and diversity in sandy beach habitat. For this purpose, we investigated the Sonmiani Hor lagoon area during four distinct seasons, i.e., northeast (NE) monsoon, pre-monsoon, south-west (SW) monsoon,...
Conference Paper
Full-text available
Mangrove environment and their allied fauna progressively influenced and endangered worldwide because of unsustainable humanoid activities in the Anthropocene Era. During the past few decades, heavy metal contamination exaggerated along the estuarine and coastal environment of Pakistan. Korangi Creek is one of the areas blessed by the mangrove envi...
Poster
Full-text available
The first records of seahorse Hippocampus kelloggi from the coastal waters of Pakistan based on morphological and morphometric characteristics. The seahorses representatives of the family Syngnathidae, which that’s includes pipe fishes, seahorses, pipe horses and sea dragons. There are about 50 species reported across the world and they have been f...
Article
Full-text available
Amongst the 50 largest Marine Ecosystems (LMEs) that yield 95% of the annual marine fishery revenues throughout the world, the Arabian Sea ranked 32 on a global measure. Scylla serrata is an important resource of the aquaculture and commercial fishery in the Northern Arabian Sea (NAS). The mt-DNA variations in S. serrata (n16) were estimated from t...
Presentation
Chitosan is a natural glucosamine and N-acetyl-glucosamine copolymer similar to cellulose extracted from many animals such as crabs, lobster, shrimps etc. by hydrolization processes. Chitosan-based products have been suggested as a more environmentally friendly coagulant for water and wastewater treatment due to their biodegradability. In sever...
Article
Full-text available
This is the confirmation of new record of shovel-nosed lobster genus Thenus Leach, 1815: Thenus unimaculatus Burton and Davie, 2007 from the coastal waters of Pakistan. T. unimaculatus has been evaluated as data deficient in the IUCN Red List of threatened species: Red List Category and Criteria: Data Deficient ver 3.1, (IUCN 2011). T. unimaculatus...
Article
The current study aimed to investigate the eight heavy metals (Fe, Cu, Zn, Cr, Ni, Co, Pb, and Cd) occurrence and risk assessment in the sediment and sentinel crab (Macrophthalmus depressus) from the mangrove and coastal environment of industrialized and mega city Karachi, Pakistan. The sediment analyzed for physiochemical properties (grain size co...
Article
This is the confirmation of new record of shovel-nosed lobster genus Thenus Leach, 1815: Thenus unimaculatus Burton and Davie, 2007 from the coastal waters of Pakistan. T. unimaculatus has been evaluated as data deficient in the IUCN Red List of threatened species: Red List Category and Criteria: Data Deficient ver 3.1, (IUCN 2011). T. unimaculatus...
Conference Paper
Full-text available
Goat (Capra hircus) is a versatile animal and assumes an important function in the economy and sustenance of landless, little and minimal agriculturists in Pakistan. Goat infected with a spread of parasites. Among the various parasites, Nasal worm is of major concern. Nasal worms are the larval phase of an insect called Oestrus ovis, dipteran insec...
Presentation
The isozyme and morphometric variations were investigated in four populations of commercially important white shrimp (Fenneropenaeus indicus). The white shrimps were collected from the Korangi fish harbor, Karachi Fish Harbor, Ketibunder and Sonmiani. The total polymorphic loci percentage varied in all five investigated isozymes i.e., Catalase (CAT...
Article
Full-text available
Shrimps are an extremely important source of protein, yet very low in fat and calories make them a very healthy choice of food. From Pakistan an average commercial size for export of shrimps are considered as Jaira that individual sizes ranges from 16 cm to 25 cm with an average weight from 30 g to 100 g. Estimation of the total protein content in...
Conference Paper
Full-text available
ABSTRACT Sea snakes are a diverse group that place for multiple evolutionary transitions from a terrestrial to an aquatic form of life. Sea snakes belong to family Hydrophiidae and most identifiable character of these taxa are; their body is laterally compressed and paddle like tail. Not much information is available for their mode of life from Pak...
Conference Paper
Full-text available
Comparative (length-weight) study of six species of sole fishes (Cynoglossus punticeps, Cynoglossus arel, Pseudo rhombus javanicus,Pseudorhombus elevates, Cynoglossus quadrilineatus, Euryglossa orientalis) from fish harbors of Pakistan Wajid Ali, Muhammad Shafi and Noor Us Saher Department of Marine Biology, Lasbella University, Uthal Balochistan C...
Conference Paper
Full-text available
ABSTRACT Sea snakes are a diverse group that place for multiple evolutionary transitions from a terrestrial to an aquatic form of life. Sea snakes belong to family Hydrophiidae and most identifiable character of these taxa are; their body is laterally compressed and paddle like tail. Not much information is available for their mode of life from Pak...
Article
Full-text available
This study was conducted to assess the proximate analysis (protein, carbohydrate, lipid, and moisture content) and concentration levels of metals (Zn, Cu, Cd, Pb, and Cr) in the muscles of selected shellfish (Portunus reticulatus, P. segnis, P. sanguinolentus, Scylla olivaceae, Penaeus monodon, and P. indicus) species. The concentration of metals s...
Preprint
Full-text available
Pollution in coastal waters is quickly becoming a conspicuous problem throughout the world and the coastal areas of Pakistan are also included in severely affected and therefore no exception. Anthropogenic activities are generally accountable for the deprivation of the marine environment along with their resources across the ocean bodies. The ocean...
Article
Full-text available
A specimen of the Lupocyclus philippinensis Semper in Nauck, 1880 commonly known as scissor swimming crab, was recently found in by catch of shrimp trawling and included as part of continuous taxonomic studies on crabs found in the coastal waters of Pakistan. The discovery is significant because it found after a long time. Redescription of L. phili...
Article
Full-text available
This study was conducted to assess the concentration of heavy metals (Zn, Cu, Cd, Pb and Cr) and biochemical analysis (carbohydrate, lipid moisture, total protein) in edible muscle of commercially important shellfish Portunus reticulatus, P. segnis, P. sanguinolentus, Scylla olivaceae, Penaeus monodon and P. indicus). The concentration of Cu, Pb an...
Conference Paper
Pollution of the aquatic environment by heavy metals has become a worldwide problem. Most heavy metals exhibit toxic waste on aquatic organisms. Metals like Cadmium (Cd) and Lead (Pb) are highly toxic metals which affects aquatic organisms acutely and chronically. The aim of the present work was to develop a new in enzymatic bioassay for detecting...
Article
Full-text available
The isozyme variability and morphometric analysis were examined in three populations of the fiddler crab, Austruca sindensis. The crab samples were collected from the three populations of A. sindensis (Sandspit, Sonari, and Sonmiani) along the coast of Pakistan. Three different enzymes, Catalase (CAT), Carbonate dehydratase (CD), Amylase (Amy) and...
Article
Full-text available
Abstract Crabs belong to the superfamily Ocypodoidea are a significant component of benthic fauna and considered as ecosystem engineers because of their dynamic role as an active burrower in mangrove and estuarine environment. The current investigation was to evaluate the crab burrow density, diameter and total area of burrow opening along the coas...
Article
Full-text available
Family Clupeidae found dominant with 15 species in which Dussumieriaacuta, Ilisha megaloptera and Escualosa thoracata found abundant in most of the year, whereas Engraulidae family ranked second with 9 species among those the Stolephorus indicus, Thryssa vitrirostris and Thryssa mystax found in abundance. Species distribution and catch size varied...
Article
Full-text available
A total of 8 species of Brachyuran crabs was recorded,crabs belong to the family Portunidae were dominant and represented by 6 species. Portunus pelagicus and Portunus sanguinolentus were found throughout the years.Various ecological indices were calculated through the obtained data. The diversity ranged from 0.63-1.64, the richness varied from 0.8...
Conference Paper
Heavy metal contamination has become a serious problem all around the world attributable to its great damage to the environment and public health. Among them, cadmium (Cd) considered as one of the most toxic metal which create acute and chronic toxicities even at low concentration. In the previous years, the contamination of Cd increased as results...
Presentation
Thenus is one of the most commercially significant fishery item of the seven Scyllaridae genera. The objective of the current work is to analyze the basic macro-nutrients present in shovel nosed lobster (Scyllaridae) and identification of species on protein level for further analysis as protein biomarkers. The estimated biochemical constituents: Pr...
Conference Paper
Abstract Cadmium accumulation and metallothionein contents were investigated in three shellfish (Scylla serrata, Portunus reticulatus and Penaeus merguiensis) species through bioassay. In current study the effect and accumulation pattern in different body parts (muscles, gills and carapace) through exposure of various Cd (0.5 ppm, 3 ppm and 5 ppm)...
Conference Paper
Ghost crabs are commonly found along the coastal habitats of Pakistan. Previously, no research has been done based on biochemical and molecular work but a little work has been on taxonomic identification on this genus so far. Biochemical analysis carried out by using five isozyme markers carbonate dehydratase (CD), catalase (CAT), amylase (AMY), pe...
Conference Paper
Ghost crabs are commonly found along the coastal habitats of Pakistan. Previously, no research has been done based on biochemical and molecular work but a little work has been on taxonomic identification on this genus so far. Biochemical analysis carried out by using five isozyme markers carbonate dehydratase (CD), catalase (CAT), amylase (AMY), pe...
Conference Paper
Full-text available
Heavy metal contamination has become a serious problem all around the world attributable to its great damage to the environment and public health. Among them, cadmium (Cd) considered as one of the most toxic metal which create acute and chronic toxicities even at low concentration. In the previous years, the contamination of Cd increased as results...
Article
Full-text available
This study was conducted to investigate the contamination levels of metals in some edible portunid crab species, Scylla serrata, Portunus pelagicus, Portunus sanguinolentus and Charybdis feriatus caught in coastal waters near Karachi, Pakistan. The concentrations of the analyzed metals exceeded the permissible range for food in one or more crab spe...
Article
Full-text available
Thalamita danae (Stimpson1858), re-described as a new report, based on an integrative taxonomy approach combining 16S rRNA partial sequence of mitochondrial DNA and morphological analyses was used for the accurate identification of specimens. The morphological and molecular analysis provides the confirm evidence of T. danae in coastal waters of Pak...
Article
Full-text available
The present study was conducted to estimate and compare the concentration of (Zn, Fe, Co, Cu, Pb, Cd, Ni and Cr) in the edible muscles of commercially important species of male and female crustaceans (Portunus pelagicus, Portunus sanguinolentus, Charybdis feriata and Scylla serrata). It also evaluated the bioaccumulation progression of the various...
Article
Full-text available
Rocky shores are important ecosystems that supports the wide variety of plants and animals and are characterized by the zonation of species. This three months study was conducted in order to recognize the community structure and zonal distribution of macro fauna at the Manora rocky shore. The sampling was done monthly for three months in the year 2...
Conference Paper
Heavy metal contamination in the marine environment is a global issue, and in past decades, this problem has intensified due to an increase in urbanization and industrialization, especially in developing countries. Marine sediments act as a preliminary indicator of heavy metal contamination in the coastal and estuarine environment, which has advers...
Conference Paper
The management and utilization of food resources is becoming a big issue due to rapid urbanization, wastage and non-sustainable use of food, especially in developing countries. Therefore, the use of seafood as alternative sources is strongly promoted worldwide. Marine pollution strongly affects marine organisms, which ultimately decreases their exp...
Preprint
Full-text available
Burrow morphology of Ocypode rotundata and O. ceratophthalmus was studied on the 8 sandy beach of Karachi with the aim of identifying their significance and relationship to 9 the shore environment. The small sized burrows found at low tide level and large sized 10 burrows found at the high tide level up to dry or splash zone. The burrow count durin...
Article
Full-text available
We studied the reproductive behavior and the construction of an earthen structure in the four species of fiddler crab with reference to their habitat. Males of the Uca sindensis and U. iranica inhibit on open mudflats, construct the pillar and semidome structures at or near to the burrows openings. These structures perform the function to attract f...