Scientific Name
Johnius dussumieri  
Johnius dussumieri杜氏叫姑魚
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.  
Barcode2012-01-02,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 NL 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.