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Scombriformes (Mackerels) >
Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Auxis: Greek, auxis = a variety of tunna (Ref. 45335); eudorax: From the wide or well-developed corselet.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin pelagic-neritic. Tropical
Eastern Pacific.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 36.5 cm FL mâle / non sexé; (Ref. 32349); common length : 26.0 cm TL mâle / non sexé; (Ref. 55763)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Body elongate, robust, and rounded; dorsal fins widely separated; second dorsal fin followed by 8 finlets; pectoral fins short, not reaching front of naked area above corselet; scales only on corselet section; each side of caudal peduncle bearing a strong keel between two smaller keels; back dark bluish purple; head almost black; 15 or more vertical bars on naked dorsal region (Ref. 55763).
Body shape (shape guide): elongated; Cross section: circular.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Collette, B.B. and C.R. Aadland, 1996. Revision of the frigate tunas (Scombridae, Auxis), with descriptions of two new subspecies from the eastern Pacific. Fish. Bull. 94(3):423-441. (Ref. 32349)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00148 - 0.00774), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 4.2 ±0.5 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Fec > 10,000).
Vulnérabilité de la pêche (Ref.
59153): Low to moderate vulnerability (31 of 100).
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