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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 / depth range / distribution range
Ekologi
marina bottenlevande. Tropical
Eastern Central Pacific: Baja California, Gulf of California, the Revillegigedo Islands (Socorro), and NW side of Isla del Caño, Costa Rica.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 51.0 cm TL hane/ej könsbestämd; (Ref. 11482)
Inhabits sand-rubble bottoms. Feeds on benthic and planktonic invertebrates. Often caught by trawlers and anglers.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: ; sportfisk: ja
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
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).
Trofisk nivå (Ref.
69278): 3.5 ±0.41 se; based on food items.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
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);