Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; non-migratory; depth range 14 - 100 m (Ref. 9790). Tropical
Western Pacific: Ryukyu Islands (Ref. 9140) to northern Australia (including Western Australia) and New Caledonia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.0 cm TL male/unsexed; (Ref. 9790); common length : 20.0 cm TL male/unsexed; (Ref. 9790)
soft rays: 11 - 12. Infraorbital ridges bearing many fine serrations. Lower side of head unicarinate. Dorsal fin rays usually 12; anal fin rays usually 11. Iris lappet bilobed. Caudal fin white with several dark blotches along upper edge and 2 or 3 elongate black bars below.
Taken by trawl on coastal shelves at depths of 14-100 m (Ref. 9790). Also occurs on sand or rubble bottoms near reefs (Ref 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chen, J.-P. and K.-T. Shao, 1993. A new record of flathead fish, Rogadius patriciae (Platycephalidae), from Taiwan. Bull. Inst. Zool., Acad. Sin. 32(2):153-156. (Ref. 9140)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: minor commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 23.7 - 28.3, mean 27.1 (based on 205 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00248 - 0.01273), b=3.03 (2.84 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.8 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (27 of 100) .