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Clupeiformes (Herrings) >
Engraulidae (Anchovies) > Coiliinae
Etymology: Thryssa: Greek, thrissa, -es = shad (Ref. 45335).
Eponymy: Dr Francis Day CIE (1829–1889) was Inspector-General of Fisheries in India (1871–1877) and Burma and an ichthyologist. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser pelagic-neritic; tiefenbereich 0 - 50 m (Ref. 189). Tropical; 27°N - 6°N, 64°E - 78°W (Ref. 189)
Western Indian Ocean: entire western coast of India north to Pakistan, possibly to Gulf of Oman.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 21.5 cm SL Männchen/unbestimmt; (Ref. 189)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 0; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 41 - 46. Belly with 25 to 27 keeled scutes from isthmus to anus. Tip of snout a little above level of eye center. Maxilla long, reaching to pectoral fin base; first supra-maxilla minute, oval; teeth in jaws enlarged. Tip of first pectoral fin ray elongated into a short filament. Gill arches pinky orange, basibranchials black, inside of gill cover pale yellow or golden.
Body shape (shape guide): elongated; Cross section: compressed.
Presumably a schooling and found inshore. More data needed.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. 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(7/2):305-579. Rome: FAO. (Ref. 189)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00407 (0.00215 - 0.00773), b=3.14 (2.98 - 3.30), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low to moderate vulnerability (27 of 100). 🛈 |