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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Amblygaster: Greek, amblys = darkness + Greek, gaster = stomach (Ref. 45335).
Eponymy: Dr Pieter Bleeker (1819–1878) was an ichthyologist and army surgeon commissioned (1841) by the Dutch East India Company. [...] (Ref. 128868), visit book page.
More on author: Bleeker.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien rifbewoner; diepte 0 - 50 m (Ref. 188). Tropical; 17°N - 19°S, 75°E - 179°W (Ref. 188)
Indo-West Pacific: southern coasts of India, perhaps Bay of Bengal, and Indonesia eastward to Fiji. Reported from New Caledonia (Ref. 9070) and Tonga (Ref. 53797).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 27.6 cm TL mannelijk / geslacht onbekend; (Ref. 126292); common length : 15.0 cm SL mannelijk / geslacht onbekend; (Ref. 188); max. gepubliceerd gewicht: 247.00 g (Ref. 126292)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 13 - 21; Anale stekels: 0; Anale zachte stralen: 12 - 23. Body moderately deep, belly rather rounded, scutes not prominent. Distinguished from A. sirm by the absence of spots along the flank (gold in life, black on preservation) and fewer lower gill rakers. Closely resembles A. leiogaster, which has more lower gill rakers. Round-bodied Sardinella species have i 8 pelvic fin rays and more than 100 lower gill rakers.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Forms schools in coastal waters. Feeds on copepods, Mysis and other elements in the zooplankton. Used as bait in the tuna fishery.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Spawn in school (Ref. 205).
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. 130435: Version 2025-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; aas: usually
Tools
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 27.2 - 29.1, mean 28.5 °C (based on 988 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00458 - 0.01442), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.28 se; based on food items.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Assuming Fec > 10,000).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (18 of 100).
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Voedingsstoffen (Ref.
124155): Calcium = 95.5 [30.8, 395.3] mg/100g; Iron = 1.53 [0.53, 3.60] mg/100g; Protein = 20.2 [17.5, 22.6] %; Omega3 = 0.259 [0.118, 0.565] g/100g; Selenium = 51.1 [16.6, 168.4] μg/100g; VitaminA = 79.2 [16.6, 367.3] μg/100g; Zinc = 1.42 [0.70, 2.70] mg/100g (wet weight);