Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Gnathanacanthidae
Etymology: Gnathanacanthus: Greek, gnathos = jaw + Greek, ana = up + Greek, akantha = thorn (Ref. 45335). More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Temperate
Eastern Indian Ocean: Endemic to Australia (Western and South Australia, Victoria, and Tasmania).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 7463)
Inhabits rock reef and weed beds (Ref. 75154) of inshore waters (Ref. 7300, 75154). Benthic (Ref. 75154). Anterolateral glandular groove with venom gland (Ref. 57406).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nelson, J.S., 1984. Fishes of the world. 2nd edition. John Wiley & Sons, Inc., New York. 523 p. (Ref. 245)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 14.7 - 20.5, mean 17.5 (based on 124 cells).
Phylogenetic diversity index (Ref. 82805
= 1.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.6 se; Based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (17 of 100) .