The possibility of breeding of hilsa in the beel was nullified. Exploratory survey on hilsa tenualosa ilisha catch and life. The hilsa shad, tenualosa ilisha, belongs to the family clupeidae, locally known as sbour in iraq and other arabian gulf countries. Astock assessment and management of hilsa shad tenualosa. Supply chain analysis of hilsa tenualosa ilisha egg in. Supply chain analysis of hilsa tenualosa ilisha egg in bangladesh. Onboard breeding trial of hilsa tenualosa ilisha, ham. Draft genome assembly of tenualosa ilisha, hilsa shad. Tenualosa ilisha catch makes up approximately 12% 9. Study on preferred food items of hilsa tenualosa ilisha. Hilsa ilisha hamilton, 1822 macrura ilisha hamilton, 1822 tenualosa illsha hamilton, 1822 misspelling vernacular names. Introduction the indian shad tenualosa ilisha, popularly known as hilsa, belonging to the family clupeidae, is widely distributed in indopacific.
Hilsa shad tenualosa ilisha is the single most valuable species harvested. Request pdf breeding and culture status of hilsa tenualosa ilisha, ham. Migration, spawning patterns and conservation of hilsa shad tenualosa ilisha in bangladesh and india by dewan ali ahsan, m niamul naser, utpal bhaumik, sugata hazra and subhra bikash bhattacharya isbn 97893327011 typeset by italics india, new delhi. Journal of aquaculture research and development, 8 2, 471. Journal and proceedings of the asiatic society of bengal, 184. Tenualosa ilisha international journal of fisheries and. Stock assessment and management of hilsa shad tenualosa ilisha in iraqi marine waters, northwest arabian gulf abdulrazak m. This study fills these knowledge gaps in myanmars ayeyarwady delta.
Tenualosa ilisha of the subfamily alosinae, family clupeidae, and order clupeiformes is a fast swimming euryhaline known for its cosmopolitan distribution in brackish water estuaries and marine environment in the indopacific region and in the riverine environments where it migrates for breeding 2 pillay 1968. Pdf the hilsa shad, tenualosa ilisha commonly known as hilsa is one of the most commercially important fsh species in south asian. Hilsa tenualosa ilisha is a major fishery resource in the bay of bengal. It inhabits freshwater rivers, estuaries and marine environments. Its geographical distribution extends from shatt alarab river, along the coasts of iran, pakistan, india, bangladesh, and burma to south vietnam 1. Embryonic development, larval rearing, and digestive tract. Food and feeding ecology of hilsa tenualosa ilisha in bangladeshs meghna rive r basin 4. Hilsa shad tenualosa ilisha lives in the sea for most of its life, but migrates at least 1,2001,300 km upstream from estuarine region for spawning purpose and it also found about 250 km distance from coastal region halder and islam, 2008. Nov 11, 2019 this study provides the first highquality draft genome assembly 762. The authors are extremely grateful to nmcg, ministry of water resources, river. Hilsa tenualosa ilisha subfamily alosinae is an important anadromous clupeid. Distribution, migrations and breeding of hilsa tenualosa.
The species is widely distributed from the persian gulf to bay of bengal and ascends into estuaries, rivers and brackish. It ascends the rivers for breeding and returns to the sea after completion of spawning. It occurs in the foreshore areas, estuaries, brackish water lakes, and freshwater rivers. Sushmita mandal printed and bound by the book mint, new delhi. A seminar paper on population structure of hilsa shad in. Aspects of the reproductive biology of hilsa shad, tenualosa ilisha from shatt al arab river and southern al hammar marsh during spawning migration have been investigated from the period of april 20 to march 2014. Assessment of impact of ten days fishing ban in the major. Artificial fertilization, embryonic and larval development of hilsa. The species is widely distributed from the persian gulf to bay of bengal and ascends into estuaries.
Lower graded hilsa in terms of quality are separated from the landed hilsa and from them hilsa eggs are collected. Pdf breeding and culture status of hilsa tenualosa. Hilsa shad tenualosa ilisha, hamiltonbuchanan, 1822 is an anadromous fish, ascending the rivers from marine habitats of, arabian sea and persian gulf. A total of 1456 specimens were collected using gillnets and landings. Breeding and seed production of hilsa tenualosa ilisha. A study was carried out to assess the physical, chemical and biological parameters of the habitat of the hilsa fish. High levels of genetic variability and differentiation in. Pdf onboard breeding trial of hilsa tenualosa ilisha. Oct 15, 2019 hilsa, tenualosa ilisha is an important commercial fish of the indopacific region, especially in bangladesh, india and myanmar. Use of rapd fingerprinting for delineating populations of. Abundance, migration and management of jatka juvenile.
The hilsa shad tenualosa ilisha, hamilton, 1822 is an anadromous clupeid species with a diverse range of distribution extending from freshwater rivers, estuaries, foreshore areas and seas of the. Pdf the fishery of indian shad tenualosa ilisha in the. Basic biosecurity manual for tilapia hatchery technicians in bangladesh. Reproductive biology of hilsa shad tenualosa ilisha in coastal waters of the northwest of persian gulf roomiani, l. On the habits of the hilsa and their artificial propagation in the coleroon. The size range of the specimens collected throughout the migration season was 50460 mm in total length tl. Barisal, patuakhali and from other hilsa abundant regions are landed in the fish landing center of chandpur, bangladesh. Breeding and culture status of hilsa tenualosa ilisha, ham. Exploratory survey on hilsa tenualosa ilisha catch and life stages availability along up down stream of farakka barrage, project report nmcgcifri, barrackpore, pp. Morphological identifications and morphometric measurements.
Pdf onboard breeding trial of hilsa tenualosa ilisha, ham. May 06, 2016 hilsa, tenualosa ilisha the anadromous indian shad, tenualosa ilisha hamilton, commonly known as hilsa or river shad is, undoubtedly, one of the most commercially important fish of the country. The biophysical assessments of the hilsa fish tenualosa. The fish is migratory, euryhaline and anadromous in nature. Hilsa,tenualosa ilisha hamilton, by habitat is a marine environment species but they migrate to estuarine and fresh waters for spawning purposes. Three types of hilsa species are available in the bay of bengal named as. Recently, catch of this species has declined due to overfishing and various ecological changes. It is a very popular and soughtafter food fish in the indian subcontinent. Qasim abstract the stock assessment and management of hilsa shad sbour, tenualosa ilisha in iraqi marine waters, northwest arabian gulf were assessed using fisat ii software from november 2012 to. Tenualosa ilisha is an anadromous fish occurring in the indowest pacific region from the persian gulf, along the coast of pakistan, india, bangladesh, and burma to south vietnam.
Breeding and seed production of hilsa tenualosa ilisha to. As this is one of the flagship fish species of bangladesh, conservation of this species is indeed needed. Hilsa tenualosa ilisha is a high value commercially important fish belonging to the family clupeidae. The hilsa shad tenualosa ilisha, hamilton, 1822 is an anadromous clupeid species with a diverse range of distribution extending from freshwater rivers, estuaries, foreshore areas and. Pdf breeding and culture status of hilsa tenualosa ilisha. This study provides the first highquality draft genome assembly 762. Reproductive biology of hilsa shad tenualosa ilisha in. The meghna river is one of the breeding zones for hilsa fish, and the. October 20 abstract some aspects of the reproductive biology of hilsa shad, tenualosa ilisha from the. The hilsa shad tenualosa ilisha is locally known as ilish fish is found in three different ecological environments such as freshwater, brackish water and marine water in bangladesh. Food and feeding ecology of hilsa tenualosa ilisha in. In order to ensure the sustainability of this resource, through effective management measures, information is required on its distribution patterns, migration routes and breeding sites. Breeding and culture status of hilsa tenualosa ilisha.
Hilsa, tenualosa ilisha is an important commercial fish of the indopacific. Anisur rahman3 1ecofishbd project, worldfish, bangladesh 2ecofishbd project, center for natural resource studies, bangladesh. Finescale population structure and ecotypes of anadromous. Aspects of the reproductive biology of hilsa shad, tenualosa ilisha from shatt al arab river and southern al hammar marsh during spawning migration have been.
The present study will have substantial impact on development of aquaculture and conservation of hilsa. Migration, spawning patterns and conservation of hilsa. Enhancing social resilience of the coastal fishing. Hilsa is a planktonivorus in food habits37,38 and it feeds on mainly phytoplankton like diatoms, blue and green algae, zooplanktons, organic debris, sand particles. Tagging experiments have shown that a hilsa may cover as much as 70. Reproductive pattern and some biological features of. Catch trend and stock assessment of hilsa tenualosa ilisha. Clupea ilisha hamilton, 1822 clupea palasah cuvier, 1829. The species is widely distributed from the persian gulf to bay of bengal and ascends into estuaries, rivers and brackishwater lagoons of the indopacific region. Migratory pattern, route and abundance of hilsa shad.
The hilsa shad, tenualosa ilisha clupeidae, clupeiformes is an important anadromous clupeid species from the western division of the indopacific region. Head large, its length 27 to 33% of standard length. Body moderately deep, compressed, belly with 31 to 32 scutes. It is widely distributed in bay of bengal, indian ocean, persian gulf and arabian sea. Reproductive biology of hilsa shad tenualosa ilisha. The hilsa shad, tenualosa ilisha popularly known as hilsa, is one of the most. Finally, a community based management plan was suggested for implementation by the gajner beel management committee. Overall, the fishing ban was found effective for successful breeding of hilsa. Abundance, migration and management of jatka juvenile hilsa. The aim of the present study was to compare mtdna genetic diversity in t. The hilsa shad, tenualosa ilisha popularly known as hilsa, is one of the most commercially important fish species in south asian countries. Thus, hilsa has become the most valuable singlespecies.
Study on preferred food items of hilsa tenualosa ilisha 649 and menon 2004. In the present study, at first the embryonic and larval development of t. Its geographical several studies have been done on the stock. Previous years achievements the first onboard breeding trial was conducted by the riverine station rs hilsa research team of bangladesh fisheries research institute bfri in the major breeding grounds of hilsa at the river. For conservation of hilsa shad, different stocks are. The common indian shad hilsa tenualosa ilisha is the most important anadromous fish species of bangladesh that migrates through the padmameghna river systems. Tenualosa ilisha of the subfamily alosinae, family clupeidae, and order clupeiformes is a fast swimming euryhaline known for its cosmopolitan distribution in brackish water estuaries and marine environment in the indopacific region and in the riverine environments. Hilsa, tenualosa ilisha the anadromous indian shad, tenualosa ilisha hamilton, commonly known as hilsa or river shad is, undoubtedly, one of the most commercially important fish of the country. Hilsa, tenualosa ilisha is an important commercial fish of the indopacific region, especially in bangladesh, india and myanmar. Hilsa ascends the freshwater stretch of all the major river systems from sea mainly for breeding, thereby forming a lucrative fisheries in freshwater. Tenualosa ilisha, hilsa kelee, and the majority of hilsa fish captured in our country is but.
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