Scientific Name
Nibea semifasciata  
Nibea semifasciata半斑黃姑魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Chu, Lo & Wu, 1963 Depth 3 - 50M
Chinese 半斑黃姑魚 Poisonous Fish No 
Family_Chinese 石首魚科 Economic Fish Yes 
Family F381 Sciaenidae Edible Fish Yes  Chinese In Mainland China 半花黃姑魚 
Max Length 24 cm  Aquarium Fish No  Common Name 假黃魚 
Distribution in World North West Pacific Ocean   Distribution in Taiwan West、North 
Habitats Benthos、Coastal  Holotype Locality China 
Reference 臺灣魚類誌(沈等, 1993);福建魚類誌(朱等, 1985)  朱元鼎 編 1985 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List NTUM00870. NTUM00873.  
Common Name Sharpnose croaker; Sharpnose jewfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal fin X, I, 28-29; anal fin II, 7; pectoral fin I, 16; pelvic fin I, 5; lateral-line scales 49; gill-rakers 6 + 10-12.Body elongated and compressed, with slightly bulged dorsal profile; snout not projecting; mouth large, terminal and slightly oblique, length of upper jaw slightly longer than lower jaw, maxilla ends below rear edge of pupil. Teeth differentiated into large and small in both two jaws; the large forming outer series in upper jaw and inner series in lower jaw as canine teeth; teeth not connected both tips of jaws. 5 marginal pores, 5 rostral pores; 5 mental pores and the median divided. Anterior nostril round, the posterior one larger and oval. Preopercle serrated; operculum ending in two weak, flattened spines. Inner side of operculum with pseudobranch, gill raker short and thin. Sagitta morphology referred to as the Nibea form. Sagitta oval with umbo on postcentral 2/3 of outer surface; inner (medial) surface with a tadpole-shaped impression, which heart shaped, tail grooved and bended at right angle. Tip of snout without scale, scales cycloid on chin, preoperculum and surroundings of eye, other covered by ctenoid scales; lateral line scales reaching to tip of caudal fin. Top of pectoral-fin base before dorsal fin origin and below tip of gill cover; Dorsal fin origin opposite to origin of pelvic fin base. Soft-ray dorsal fin base as 4.6 times of anal fin base length; caudal fin rhomboid. Lining of body cavity with little brown spots. Swim-bladder morphology referred to as the Nibea form, swimbladder carrot-shaped with a series 19 pairs of appendages, branched in a fan manner; the first and longest entering head.Color: dark wavy oblique lines confined to anterior part of back; gill cover with a black patch. The linings of the mouth white, gill chamber brown.
habitats Inhabits coastal waters. 
Distribution North, West. 
Utility Foodfish.