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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Herklotsichthys: After Janus Adrian Herklots, Australian ichthyologist, 1820-1872.
Eponymy: Dr Geoffrey Alton Craig Herklots (1902–1986) was a British biologist, botanist and ornithologist at the University of Hong Kong (1928–1941). [...] (Ref. 128868), visit book page.
More on author: Guichenot.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-neritic; djupintervall 0 - 50 m (Ref. 188). Tropical; 11°N - 23°S, 38°E - 59°E (Ref. 188)
Western Indian Ocean: Kenya, Zanzibar (Tanzania), Reunion. Presumably also Madagascar.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 8.5 cm SL hane/ej könsbestämd; (Ref. 188); common length : 7.0 cm SL hane/ej könsbestämd; (Ref. 188)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 13 - 21; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 12 - 23. Resembles H. lossei, which is more slender and has small dark spots on the flank. Overlaps range of H. quadrimaculatus, which has elongate wing-like scales underneath the normal paired pre-dorsal scales. Flank silvery, without dark spots; a bright yellow or orange patch behind gill opening; dark blotch on tip of dorsal fin.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
A schooling species occurring in coastal waters. Caught with artisanal fishing gear (Ref. 30573).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: husbehovsfiske
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 26 - 27.5, mean 27 °C (based on 42 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00414 - 0.01834), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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