Scientific Name	Johnius dussumieri   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	(Cuvier, 1830)	Depth	3 - 40M
Chinese	杜氏叫姑魚	Poisonous Fish	No
Family_Chinese	石首魚科	Economic Fish	Yes
Family	F381　Sciaenidae	Edible Fish	Yes	Chinese In Mainland China	杜氏叫姑魚
Max Length	40 cm	Aquarium Fish	No	Common Name	春子、白口(臺南安平)
Distribution in World	India Ocean to West Pacific Ocean	Distribution in Taiwan	West、PonFu
Habitats	Benthos、Estuary、Coastal	Holotype Locality	Malabar, India
Synonyms	Corvina dorsalis, Corvina dussumieri, Corvina sina, Johnieops dussumieri, Johnieops sina, Johnius dussumeri, Johnius sina, Pseudosciaena sina, Sciaena dussumieri, Sciaena dussumierii, Sciaena ossea, Sciaena osseus, Sciaena sina ...all 17..
Reference	臺灣魚類誌(沈等, 1993)；Fishbase(2003)  Cuvier, G. etc. 1830 沈世傑 編 Shih-Chieh Shen ed. 1993
Specimen List	ASIZP0055235. ASIZP0059849. ASIZP0063560. ASIZP0066166. ASIZP0066432. ASIZP0066444. ASIZP0066457. ASIZP0700202. ASIZP0801933. ASIZP0801934. ASIZP0801935. ASIZP0801936. ASIZP0911933. ASIZP0911934. ASIZP0911935. ASIZP0911936. ASIZP0916870. FRIP03076. NMNSF00317-2. NTMP0557. NTMP1339. NTUM00854. NTUM00855. NTUM00856. NTUM00867. NTUM00868.
Barcode	2012-01-02,柯慧玲,CO1,100% 2012-01-02,張家豪,CO1,100% 2012-01-08,柯慧玲,CO1,100%
Common Name	Sin croaker; Sharptooth hammer croaker; Dussumier's silver jew fish; Dussumier's croaker
Redlist Status	Not in IUCN Redlist
Characteristic	Dorsal fin X, I, 28-30; anal fin II, 7; pectoral fin I, 18-19; ventral fin I, 5; lateral-line scales 46-49; gill-rakers 5-6 + 10-12.Body elongated and compressed. A medium-sized species, without protruded snout. Mouth large, terminal and oblique; upper jaw protrudes slightly. 5 marginal pores and 5 rostral pores; 5 mental pores and the median divided. Gill raker short and thick. Caudal fin rhomboid. Sagitta morphology refered to as the Johnius form, sagitta moderately triangular, with prominent umbo on outer surface; inner (medial) surface convex, with a tadpole-shaped impression, which head semicircle, tail with conical pit. Lining of body cavity black; Swim-bladder morphology refered to as the Johnius form, swimbladder hammer-shaped with 16 pairs of arborescent appendages, branched in a fan manner; the first branching in the head. Color: body purplish brown above and silver-gray below; spinous part of dorsal fin blackish brown, soft-ray dorsal fin brown; caudal fin brown; pelvic and anal fins clear yellow with brown spots, pectoral fins light brown, axillary fold of pectoral fin with a light black patch; operculum bluish purple with a pupil-size dark patch. Gill chamber dark brown, mouth lining pink.
habitats	Found in coastal waters. Enters estuaries. Feeds on invertebrates and small fishes. Marketed fresh, dried salted.
Distribution	Pon_Fu, West.
Utility	Foodfish, marketed fresh.