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Clupeiformes (Herrings) >
Engraulidae (Anchovies) > Engraulinae
Etymology: Encrasicholina: Greek, egkrasicholos, -os, -on = mixed with spleen; auster: Name from Latin 'auster’ meaning the south wind; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal. Tropical
Western Central Pacific: Fiji.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 5.1 cm SL mâle / non sexé; (Ref. 128576)
Description synthétique
Morphologie | Morphométrie
Épines dorsales (Total): 3; Rayons mous dorsaux (Total): 12-13; Épines anales 3; Rayons mous anaux: 15 - 17; Vertèbres: 42 - 43. This species is distinguished by the following set of characters: dorsal and anal fins with three unbranched rays; pseudobranchial filaments 19-21 (modally 20); branched pectoral-fin rays 12-13 (13); gill rakers on first gill arch, in upper series 20-22 (22), in lower series 25-27 (27), in total 45-49 (49); gill rakers on second gill arch, upper series15-17 (17), lower series 24-26 (25), total 40-43 (40, 42); gill rakers on third gill arch, upper series 12-16 (14), lower series 13-15 (14), total 26-31 (26, 28); gill rakers on fourth gill arch, upper series 11-13 (12), lower series 11-12 (11), total 22-25 (23); prepelvic scutes 5-6 (5); transverse scales 11; head long, its length 29.1%-29.2% (mean 29.2%) of SL; upper jaw long, its length 20.8%-22.5% (mean 21.2%) of SL, with posterior tip reaching to posterior edge of preopercle; lower jaw long, the length 19.0%-20.7% (mean 19.7%) of SL; the first unbranched dorsal- and anal-fin rays are minute, the length 0.9%-1.5% (mean 1.1%) and 0.9%-1.6% (mean 1.2%) of SL, respectively; distance from dorsal-fin origin to upper end of pectoral-fin insertion is rather long, 97.5%-106.3% of HL (mean 103.9%) (Ref. 128576).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hata, H. and H. Motomura, 2017. A new species of anchovy, Encrasicholina auster (Clupeiformes: Engraulidae) from Fiji, southwestern Pacific Ocean. New Zealand J. Zool. 44(2):122-128.
[First published online, pp. 1-7, on 8 Jan. 2017; volume number and pages added later in 2017.] (Ref. 128576)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00253 - 0.01141), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.1 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
