Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Platycephalidae
Etymology: ventralis: Name from Latin, meaning ‘of the belly’, referring to the species’ characteristic long pelvic fin.
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic. Tropical
Western Pacific: Northeastern Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 32.8 cm SL male/unsexed; (Ref. 86254)
Morphology | Morphometrics
soft rays: 12. This species is characterized by the following: 91-104 anteroventrally slanted oblique scale rows above lateral line; snout length 30.9-32.4% HL, markedly decreasing proportionally with growth; pectoral fin length 15.8-18.6% SL; pelvic fin length 26.2-28.2% SL; nasal bone with tubercles; dorsal surface of head with small, round, brown spots, body without dark spots; pelvic fin with small brown spots (Ref. 86254).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Imamura, H. and M.F. Gomon, 2010. Taxonomic revision of the genus Ratabulus (Teleostei: Platycephalidae), with descriptions of two new species from Australia. Memoirs of Museum Victoria 67:19-33. (Ref. 86254)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00212 - 0.01078), b=3.06 (2.86 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .