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Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653).
More on authors: Jordan & Gilbert.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
marin démersal. Tropical
Eastern Central Pacific: Baja California, Gulf of California, the Revillegigedo Islands (Socorro), and NW side of Isla del Caño, Costa Rica.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 51.0 cm TL mâle / non sexé; (Ref. 11482)
Inhabits sand-rubble bottoms. Feeds on benthic and planktonic invertebrates. Often caught by trawlers and anglers.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: bycatch; pêche sportive: oui
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.5 ±0.41 se; based on food items.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
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Nutrients (Ref.
124155): Calcium = 136 [82, 214] mg/100g; Iron = 1 [1, 2] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.142 [0.081, 0.236] g/100g; Selenium = 64.8 [36.3, 117.1] μg/100g; VitaminA = 16.4 [6.5, 40.4] μg/100g; Zinc = 1.12 [0.84, 1.52] mg/100g (wet weight);