Teleostei (teleosts) >
Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Eponymy: Rev Dr Christoph Samuel John (1747–1813) was a botanist and herpetologist and a medical missionary (1771–1813) at the Danish trading station of Tranquebar (now Tharangambadi), Tamil Nadu, not far from Madras (Chennai). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; freshwater; brackish; benthopelagic. Tropical
Western Central Pacific: northern (=Pacific) coasts of New Guinea.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm SL male/unsexed; (Ref. 9772); common length : 10.0 cm SL male/unsexed; (Ref. 9772)
Dorsal spines (total): 11; Dorsal soft rays (total): 25 - 29; Anal spines: 2; Anal soft rays: 7. Eye small, 11 to 16 % of head length; snout bluntly rounded; no barbel on chin; teeth differentiated into large and small in both jaws; gill rakers slender, about half the length of gill filaments at angle of arch, 10 to 13 on lower limb. Second anal spine long, stiff, 45 to 54 % of head length. Scales on head and throat cycloid (smooth). Swim bladder hammer-shaped, with about 12 pairs of arborescent appendages along its sides, the first entering head and sending a palmate branch to the front of the pectoral arch. Sagitta (large earstone) with a tadpole-shaped impression, the head of which has its long axis lying obliquely to that of sagitta and the tail expanded and deepened as a hallow cone connected with the head by a narrow groove.
Body shape (shape guide): fusiform / normal.
Inhabits estuaries and rivers (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. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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