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Clupeiformes (Herrings) >
Engraulidae (Anchovies) > Engraulinae
Etymology: Encrasicholina: Greek, egkrasicholos, -os, -on = mixed with spleen; integra: Name from Latin adjective meaning 'untouched', not having been recognized or referred to earlier in any way, despite Encrasicholina being known for a long time.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien pelagic-neritic. Tropical
Western Pacific: Indonesia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 4.3 cm SL mannelijk / geslacht onbekend; (Ref. 124514)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species is distinguished by the following set of characters: dorsal and anal fns with three unbranched rays; branched pectoral-fn rays 11-13 (modally 11); pseudobranchial flaments 17-19 (18); gill rakers on first gill arch, upper limb 13-14 (14), lower limb 17-18 (18), total 30-32 (32); second gill arch, upper limb 10-11 (10), lower limb 16-17 (16), total 26-28 (26); third gill arch, upper limb 8-9 (8), lower limb 9-10 (10), total 17-19 (19); fourth gill arch, upper limb 6-8 (7), lower limb 7-9 (8), total 14-17 (15); gill rakers 3-6 (4) on the hind face of third gill arch; spine-like scutes on abdomen 4-6 (5); transverse scales 8-9 (8); exposed urohyal bony and no fleshy knobs; head short its length 25.9-27.2% (mean 26.4%) of SL; maxilla rather short, its length 17.1-18.3% (17.7%), the posterior tip just reaching to anterior margin of preopercle; lower jaw short, its length 17.5-18.7% (18.0%) of SL; orbit short, its diameter 6.7-7.8% (7.3%) of SL; snout short, its length 4.3-4.8% (4.6%) of SL; body rather deep, its depth 15.1-16.4% (15.6%) of SL; pelvic fn long, its length 9.3-10.2% (9.7%) of SL (Ref. 124514).
Cross section: compressed.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Hata, H. and H. Motomura, 2021. Redescription of Encrasicholina oligobranchus (Wongratana 1983) (Clupeiformes: Engraulidae) and description of a new species of Encrasicholina from New Guinea. Ichthyol. Res. 68:277-286. (Ref. 124514)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00525 (0.00247 - 0.01115), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.2 ±0.1 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |