Environment: milieu / climate zone / depth range / distribution range
Marine; freshwater; brackish; demersal; depth range 1 - 40 m (Ref. 30573). Tropical
Indo-West Pacific: east of Pakistan through the coastal waters of the Indian Ocean and the Indo-Australian Archipelago to the Philippines, New Guinea and to the Repulse Bay, Queensland; through the South China Sea to Hainan, Taiwan, Hong Kong and Kwangtung. Reports from southern Africa are misidentifications of Johnius fuscolineatus (Ref. 13679).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL male/unsexed; (Ref. 9772); common length : 15.0 cm SL male/unsexed; (Ref. 9772)
Found in shallow coastal waters and estuaries (Ref. 9772).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Sasaki, K., 2001. Sciaenidae. Croakers (drums). p.3117-3174. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 5. Bony fishes part 3 (Menidae to Pomacentridae). Rome, FAO. pp. 2791-3380. (Ref. 9772)
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
): 24.7 - 29.1, mean 28.2 (based on 1174 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00686 - 0.01921), b=3.07 (2.93 - 3.21), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.5 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 (26 of 100) .