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Clupeiformes (Herrings) >
Engraulidae (Anchovies) > Engraulinae
Etymology: Encrasicholina: Greek, egkrasicholos, -os, -on = mixed with spleen; macrocephala: Named for its relatively large head.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin pelagic-neritic. Tropical
Western Indian Ocean: Red Sea, Djibouti.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 5.6 cm SL mâle / non sexé; (Ref. 101273)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
This species is distinguished by the following set of characters: dorsal and anal fins possess with 3 unbranched rays; with total pectoral-fin rays 11-14 (modally 13); pseudobranchial filaments 15-18; gill rakers on 1st arch 17-20 (19) in upper series, 21-25 (23) in lower, 40-45 (42) in total; prepelvic scutes 5-6 (5); large head, its length 29.5-31.7% (mean 30.4%) of SL; long upper jaw, its length 21.3-23.5% (mean 22.2%) of SL and its posterior tip extending beyond posterior margin of preopercle; long lower jaw, its length 19.5-21.2% (mean 20.3%) of SL; D-P1 short, 83.2-95.2% (mean 89.8%) of HL. (Ref. 101273)
Body shape (shape guide): elongated; Cross section: circular.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hata, H. and H. Motomura, 2015. A new species of anchovy, Encrasicholina macrocephala (Clupeiformes: Engraulidae), from the northwestern Indian Ocean. Zootaxa 3941(1):117-124. (Ref. 101273)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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). |
Niveau trophique (Réf. 69278) |
3.2 ±0.1 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |