Commercial Fishing and Marketing of Hilsa Shad Tenualosa ilisha&lt;br&gt;(Hamilton-Buchanon, 1822) in Basrah -Southern IRAQ

Al-Dubakel, Adel Y.

doi:10.9755/ejfa.v23i2.6455

Cited by 16 publications

(11 citation statements)

References 2 publications

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“…Accordingly, this study confirms that the freshwater ecosystem consisting of the Meghna, Shahbajpur, Tetulia, Ander Manik rivers and their adjacent canals and creeks are the most suitable area (3195 km 2 ; 11%) for hilsa to lay eggs (spawn). This finding is well supported by Quereshi (1968), Miah et al (1999) andHalder et al (2001) who documented the lower stretches and estuarine ecosystem of the Meghna River as major spawning grounds for hilsa and spawning behaviour of hilsa has been observed in the estuaries and rivers, such as the Hooghly river and mouth of the Daya river (Hora 1938;Jones & Menon 1950;Pillay & Rosa 1963;Kowtal 1967;Jafri 1988;Haroon 1998;Al-Dubakel 2011).…”

Section: Discussionsupporting

confidence: 59%

“…The anadromous hilsa inhabits or lives in the Bay of Bengal and migrates up rivers, mainly the Ganges-Brahmaputra-Meghna river system, to spawn from October to November (Table 6). This finding is well supported by Quereshi (1968), Miah et al (1999) and Halder et al (2001 who documented the lower stretches and estuarine ecosystem of the Meghna River as major spawning grounds for hilsa and spawning behaviour of hilsa has been observed in the estuaries and rivers, such as the Hooghly river and mouth of the Daya river (Hora 1938;Jones & Menon 1950;Pillay & Rosa 1963;Kowtal 1967;Jafri 1988;Haroon 1998;Al-Dubakel 2011). Accordingly, this study confirms that the freshwater ecosystem consisting of the Meghna, Shahbajpur, Tetulia, Ander Manik rivers and their adjacent canals and creeks are the most suitable area (3195 km 2 ; 11%) for hilsa to lay eggs (spawn).…”

Section: Discussionsupporting

confidence: 58%

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Habitats across the life cycle of hilsa shad (Tenualosa ilisha) in aquatic ecosystem of Bangladesh

Hossain

Sharifuzzaman

Chowdhury

et al. 2016

Fisheries Management Eco

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Aquatic habitat connectivity is vital for the continued existence of migratory fish. Using GIS and outranking multicriteria analysis based on hydrometeorological data, this study describes habitat preference of egg, fry, juvenile and adult phases of hilsa shad, Tenualosa ilisha (Hamilton), as well as their spawning areas in the aquatic ecosystems of Bangladesh. The total area studied was 29 484 km2, about 29% of which belonged to the Meghna, Shahbajpur, Tetulia and Ander Manik rivers, and the channels of Sandwip, Kutubdia and Moheshkhali islands, which provide the most suitable habitat for the species. An additional 27% of moderately suitable area was located in other deltaic rivers and inshore waters. The remaining 44% was offshore deeper water, which was least suitable for hilsa. The most suitable area for spawning, eggs, fry, adults and juveniles was 6, 11, 29, 38 and 56% of the area, respectively. The model outputs were validated against field measurements and fishers’ indigenous knowledge with an accuracy level of 92%. Thus, this study provides key information about the location of hilsa at different stages of its life cycle, information useful in understanding its occurrence over a relatively large geographical area. Information of this kind is useful in fishery conservation and management.

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Section: Discussionsupporting

confidence: 59%

Section: Discussionsupporting

confidence: 58%

Habitats across the life cycle of hilsa shad (Tenualosa ilisha) in aquatic ecosystem of Bangladesh

Hossain

Sharifuzzaman

Chowdhury

et al. 2016

Fisheries Management Eco

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“…There are two peaks of GSI values in July and February in the Indus River, indicating two different breeding seasons (Narejo, Lashari, & Jafri, ). Spawning occurs in May–June in Kuwaiti coastal waters (AL‐Baz & Grove, ; Roomiani, Sotudeh, & Mofrad, ), and it is February–March in the Shatt Al‐Arab (Al‐Dubakel, ).…”

Section: Biologymentioning

confidence: 99%

“…Oxbow‐shaped turbulent pools in the estuaries and rivers with favourable ecological characteristics support the spawning of hilsa. Major spawning grounds of hilsa include the Meghna ecosystem in Bangladesh (Hossain, Sarker, Sharifuzzaman, & Chowdhury, ), Hooghly–Bhagirathi River system in India (Bhaumik & Sharma, ), Ayeyarwady delta in Myanmar (Tezzo et al., ; Than & Lay, ), Indus River delta in Pakistan (Narejo et al., ), Shatt Al‐Arab and Euphrates in Iraq (Al‐Dubakel, ; Mohamed, Ahmed, & Al‐Okailee, ) and Kuwaiti coastal waters in the Persian Gulf (AL‐Baz & Grove, ; Roomiani et al., ) (Figure ). Hilsa fry is found in the downstream rivers and nearshore coastal waters (Ghosh & Nangpal, ; Hora, ), while the juvenile disperses in the upper and lower estuaries (Hossain, Sarker, Sharifuzzaman, & Chowdhury, ; Milton, ).…”

Section: Biologymentioning

confidence: 99%

“…Since the early 1900s, the administrators, philosophers, naturalists and scientists have been fascinated by hilsa due to its taste, euryhaline behaviour, distant migration capability and high economic contribution as the single largest fishery to the society (see Bloch, ; Day, ; Hamilton‐Buchanan, ; Russel, ; Schneider, ). The range of hilsa migration covers a distance of about 1,920 rkm (river kilometre) up to Delhi through the Yamuna tributary of the Ganges River (Hora, ; Motwani, Jhingran, & Karamchandni, ; Quereshi, ; Swarup, ), 825 km up to Mandalay through the Irrawaddy River (Day, ), 780 rkm up to the Tezpur of the Brahmaputra River (Pillay & Ghosh, ; Rao & Pathak, ), 410 rkm of the Hooghly (BoBP, ; Day, ; Jones, ; Pillay, ), 50 rkm in the Godavari (Chacko & Dixithulu, ; Pillay & Rao, ; Rajyalakshmi, ; Rao, ), 275 rkm in the Meghna (Quereshi, ; Shafi, Quddus, & Islam, ), 420 rkm in the Padma (Quereshi, ), 1,000 rkm up to Multan in the Indus (Aitkin, ; Jafri, ) and 180 rkm in the Euphrates (Al‐Daham, ; Al‐Dubakel, ) (Figure ). However, construction of barrages and dams without fish passages on various rivers, for example, Farakka barrage on the main stem of Ganges River, reduced the riverward migration range of hilsa (Jafri, ).…”

Section: Fishery Historymentioning

confidence: 99%

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Tropical hilsa shad (Tenualosa ilisha): Biology, fishery and management

et al. 2018

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Tropical hilsa shad, which is an anadromous fish migrating from the sea to spawn in freshwater river, constitutes an important fishery in some Asian and Middle East countries, particularly in Bangladesh. But, historical information on hilsa biology and ecology has confronted the scientists and policymakers with research and management challenges. We have reviewed both the old and recent findings on hilsa fishery to document the status of knowledge and potential gaps, necessary to comprehend for formulating a more effective fishery management plan. Thus, there has been a decline in hilsa catches in the riverine system associated with shift in fish migration routes, indiscriminate harvesting of brood and juvenile fish, and degradation of habitat. Specifically, the riverine hilsa catches peaked in the 1960s, declining thereafter, and became relatively abundant in marine waters since 1990s. Biological data indicated that hilsa goes through multiple reproductive cycles; therefore, a comprehensive understanding of reproductive biology, recruitment by various cohorts, stock abundance and habitats across the life cycle are necessary to accurately impose fishery regulatory measures, such as fishing ban in spawning season in Bangladesh. Moreover, domestication initiative is important for artificial seed production and mariculture development of hilsa that can not only offer economic return to small‐scale farmers but also reduce the growing pressure on capture fishery. Importantly, the arrangement of co‐management is found ideal as fishermen, scientists and managers can work jointly to improve the regulatory processes and to sustain the hilsa fishery over time.

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Marine Artisanal Fisheries of Iraq

Mohamed

Jawad²

2021

The Arabian Seas: Biodiversity, Environmental Challenges and Conservation Measures

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Commercial Fishing and Marketing of Hilsa Shad Tenualosa ilisha<br>(Hamilton-Buchanon, 1822) in Basrah -Southern IRAQ

Cited by 16 publications

References 2 publications

Habitats across the life cycle of hilsa shad (Tenualosa ilisha) in aquatic ecosystem of Bangladesh

Habitats across the life cycle of hilsa shad (Tenualosa ilisha) in aquatic ecosystem of Bangladesh

Tropical hilsa shad (Tenualosa ilisha): Biology, fishery and management

Marine Artisanal Fisheries of Iraq

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