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Tenualosa ilisha (Hamilton, 1822)

Hilsa shad
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Tenualosa ilisha   AquaMaps   Data sources: GBIF OBIS
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Image of Tenualosa ilisha (Hilsa shad)
Tenualosa ilisha
Picture by Randall, J.E.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Straalvinnigen) > Clupeiformes (Herrings) > Clupeidae (Herrings, shads, sardines, menhadens) > Dorosomatinae
Etymology: Tenualosa: Latin, tenuis = thin + Latin, alausa = a fish cited by Ausonius and Latin, halec = pickle, dealing with the Greek word hals = salt; it is also the old Saxon name for shad = "alli" ; 1591 (Ref. 45335).  More on author: Hamilton.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; marien; zoetwater; brakwater; anadroom (Ref. 51243); diepteverspreiding ? - 200 m.   Tropical; 34°N - 5°N, 42°E - 97°E (Ref. 188)

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Indian Ocean: Persian Gulf eastward to Myanmar, including western and eastern coasts of India. Reported from the Gulf of Tonkin, Viet Nam (Ref. 9706). Reported in Tigris River basin and probably other rivers of southern Iran (Ref. 39702).

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm 41.5, range 34 - ? cm
Max length : 60.0 cm SL mannelijk/geslacht niet bekend; (Ref. 188); common length : 36.0 cm SL mannelijk/geslacht niet bekend; (Ref. 4832); common length :42 cm TL (female); Maximaal gepubliceerd gewicht: 680.00 g (Ref. 4832); Maximaal gepubliceerd gewicht: 680.00 g; Maximaal vermelde leeftijd: 5 jaren (Ref. 43871)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 18-21; Anale stekels 0; Anale zachte stralen: 18 - 23. Belly with 30 to 33 scutes. Distinct median notch in upper jaw. Gill rakers fine and numerous, about 100 to 250 on lower part of arch. Fins hyaline. A dark blotch behind gill opening, followed by a series of small spots along flank in juveniles. Color in life, silver shot with gold and purple.

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Schooling in coastal waters and ascending rivers for as much as 1200 km (usually 50-100 km). Migration though is sometimes restricted by barrages. Hilsa far up the Ganges and other large rivers seem to be permanent river populations. Feeds on plankton, mainly by filtering, but apparently also by grubbing on muddy bottoms. Breeds mainly in rivers during the southwest monsoon (also from January to February to March). Artificial propagation has been partially successful in India (Ref. 4832). Known to be a fast swimmer, covering 71 km in one day (Ref. 12203). Marketed fresh or dried-salted.

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Breeds mainly in rivers, upstream to about 50 km or even over 1000 km as in the Ganges (younger fishes may breed in the tidal zone of rivers). In some rivers the migration is restricted by barrages; there is some evidence that hilsa far up the Ganges and other large rivers, although migrating upstream to spawn, are permanent river populations that do not descend to the sea. The main breeding season is during the southwest monsoon, with a shorter season from January to February or March.

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)

Status op de Rode Lijst van het IUCN (Ref. 120744)

  Niet bedreigd (LC) ; Date assessed: 23 January 2013

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





Gebruik door de mens

Visserij: van minder commercieel belang; Aquacultuur: experimenteel
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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 21.3 - 28, mean 24.7 (based on 224 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00817 - 0.01066), b=3.03 (2.99 - 3.07), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  2.9   ±0.29 se; Based on food items.
Weerstandsvermogen (Ref. 69278):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.3-1.2; tmax=5; Fec=220,000).
Prior r = 0.59, 95% CL = 0.39 - 0.89, Based on 4 stock assessments.
Kwetsbaarheid (Ref. 59153):  Low to moderate vulnerability (29 of 100) .
Prijsklasse (Ref. 80766):   High.