Actinopteri (ray-finned fishes) > Ovalentaria/misc
(Various families in series Ovalentaria) > Opistognathidae
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335). More on author: Peters.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range - m (Ref. ), 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
Maturity | Reproduction | Spawning | Eggs | Fecundity | 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. 124695)
Threat to humans
Fisheries: of no interest; gamefish: yes; aquarium: commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 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.
Vulnerability (Ref. 59153
): Low vulnerability (21 of 100) .