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Harpadon nehereus  (Hamilton, 1822)

Bombay-duck
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Native range | All suitable habitat | Point map | Year 2100
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Harpadon nehereus   AquaMaps   Data sources: GBIF OBIS
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Image of Harpadon nehereus (Bombay-duck)
Harpadon nehereus
Picture by Gloerfelt-Tarp, T.


Bangladesh country information

Common names: Loitta, ??????
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in Bay of Bengal and estuaries. Enters tidal rivers. Highly esteemed as food particularly in Chittagong where it occurs in abundance.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/bg.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Rahman, A.K.A., 1989
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Aulopiformes (Grinners) > Synodontidae (Lizardfishes) > Harpadontinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 40.0 cm TL male/unsexed; (Ref. 3417); common length : 25.0 cm TL male/unsexed; (Ref. 30573)

Length at first maturity
Lm ?, range 13 - ? cm

Environment

Marine; brackish; benthopelagic; oceanodromous (Ref. 51243); depth range 50 - ? m (Ref. 9987)

Climate / Range

Tropical, preferred 28°C (Ref. 107945); 31°N - 12°S, 40°E - 153°E (Ref. 54462)

Distribution

Indo-West Pacific: Somalia to Papua New Guinea, north to Japan and south to Indonesia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 13 - 15. Scales restricted to posterior half of the body. Posterior tip of pectoral fin reaching origin of pelvic fin.

Biology     Glossary (e.g. epibenthic)

Inhabit deep water offshore on sandy mud bottom for most of the year, but also gathers in large shoals in deltas of rivers to feed during monsoons (Ref. 9987, 11230). Spawn 6 batches of broods per year (Ref. 43449). An aggressive predator (Ref. 9987). Primarily caught along Maharashtra with the bag-net, better known as 'dol' net. Operation of this gear is timed to a strong tidal current. The bag with the mouth set against the current strains the fish which is being retained therein by the strength of the current. The net is thus retrieved before the tide turns. Very phosphorescent. Excellent food fish. Marketed fresh and dried or salted; consumed pan-fried (Ref. 9987).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: highly commercial

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
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Tools

Special reports

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Internet sources

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: production, species profile; publication : search) | FIRMS (Stock assessments) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.2   ±0.73 se; Based on food items.

Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (K=0.18-0.7)

Vulnerability (Ref. 59153)
Low to moderate vulnerability (26 of 100)
Price category (Ref. 80766)
Low