Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Opistognathidae
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); alleni: Named for Dr. Gerald Allen, for his contributions on the material used and to the knowledge of Indo-Pacific fishes.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 33 m (Ref. 76827). Tropical
Eastern Indian Ocean: Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.4 cm SL male/unsexed; (Ref. 76827)
Morphology | Morphometrics
soft rays: 17 - 18;
Vertebrae: 32 - 33. This species is characterized by the following: D X,19 (rarely 20); about 21-31 oblique scale rows in longitudinal series on body; no scales anterolaterally forward of verticals from 6th to 9th segmented dorsal-fin rays; a broad dark submarginal stripe on spinous dorsal fin; spine tips with pale fleshy tabs; 1-3 vomerine teeth (Ref. 76827).
Benthic species which occurs inshore (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Smith-Vaniz, W.F., 2004. Descriptions of six new species of jawfishes (Opistognathidae: Opistognathus) from Australia. Rec. Aust. Mus. 56:209-224. (Ref. 76827)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 18 - 25.2, mean 18.6 (based on 111 cells).
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
): 3.4 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .