Teleostei (teleosts) >
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 author: Peters.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal, usually 50 - 90 m (Ref. 27115). Tropical; 18°C - 24°C (Ref. 27115)
Eastern Central Pacific: Bahía Magdalena (Baja California), throughout the Gulf of California, and south to Panama.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 40.6 cm TL male/unsexed; (Ref. 7419); max. published weight: 1.1 kg (Ref. 40637)
Feeds on small fishes, crustaceans, and other invertebrates. Nocturnal. Cleans and excavates its burrow, like keeping its home clean and tidy.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Goodson, G., 1988. Fishes of the Pacific coast. Alaska to Peru including the Gulf of California and the Galapagos Islands. Stanford University Press, Stanford, California. 267 p. (Ref. 7419)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fisheries: of no interest; gamefish: yes; aquarium: commercial
Tools
Special reports
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Internet sources
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).
Trophic level (Ref.
69278): 3.8 ±0.58 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
