Teleostei (teleosts) >
Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
Etymology: Lonchopisthus: Greek, logche = lance + Greek, opisthe = behind (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 10 - 40 m (Ref. 55763). Tropical
Eastern Central Pacific: Gulf of California.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 11482); common length : 20.0 cm TL male/unsexed; (Ref. 55763)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 11;
Dorsal
soft rays
(total): 17-19;
Anal
spines: 3;
Anal
soft rays: 17 - 18. Body somewhat elongated, narrowing posteriorly; head and mouth large; caudal fin lanceolate and much longer than total length of head; head and body cinnamon or cream with diffuse bluish spots. Operculum with an intense blue spot; median fins violet (Ref. 55763).
Most specimens taken from flat sandy bottoms. Feeds on benthic and planktonic invertebrates.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 126983)
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundanceBRUVS
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 21.7 - 28.2, mean 25.6 °C (based on 28 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [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): 3.5 ±0.41 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).