Scientific Name
Otolithes ruber  
Otolithes ruber紅牙
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Bloch & Schneider, 1801) Depth 10 - 40M
Chinese 紅牙 Poisonous Fish No 
Family_Chinese 石首魚科 Economic Fish Yes 
Family F381 Sciaenidae Edible Fish Yes  Chinese In Mainland China 紅牙 
Max Length 90 cm  Aquarium Fish No  Common Name 三牙、耳石、銀牙、白三牙(臺南安平) 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan West 
Habitats Benthos、Coastal  Holotype Locality Tranguebar, India 
Synonyms Johnius ruber, Otolithes argenteus, Otolithes rubber, Otolithoides ruber, Otolithus argenteus, Otolithus orientalis, Otolithus ruber, Otolithus tridentifer, Otolithus versicolor   
Reference 臺灣魚類誌(沈等, 1993);福建魚類誌(朱等, 1985);The Live Marine Resources of the Western Central Pacific, Vol.5(FAO, 2001)  朱元鼎 編 1985 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0058382. ASIZP0066148. ASIZP0066393. ASIZP0066394. ASIZP0078823. ASIZP0079044. ASIZP0079398. ASIZP0079511. ASIZP0080096. ASIZP0080395. ASIZP0801958. ASIZP0801960. ASIZP0801961. ASIZP0802605. ASIZP0802606. ASIZP0911958. ASIZP0911960. ASIZP0911961. FRIP00468. FRIP22092. NMMBP03274. NMMSTP00677. NMNSF00949. NTUM00880. NTUM07175. NTUM07176. NTUM07348. NTUM07435. ROM71781.  
Barcode2008-03-25,Kui-Ching Hsu,CO1,100% 2015-11-01,Yu-Ming Shih,CO1,100% 2015-11-01,Yu-Ming Shih,CO1,100%
Common Name Snapper kob; Silver teraglin; Snapper salmon; Tiger-toothed croaker; Tiger-tooth croaker; Tigertooth croaker; Toothed croaker; Longtooth salmon; Longtoothed salmon 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal fin X, I, 26-30; anal fin II, 7-8; pectoral fin I, 15-16; pelvic fin I, 5; lateral-line scales 47-50; gill-rakers 3-7 + 9-10; Body elongated and compressed. Head pointed and depressed, roughly triangular. Mouth large, terminal and slightly oblique, length of upper jaw longer than lower jaw. Out series in upper jaw with 1 or 2 pairs of strong canines teeth at front; a pair of canine teeth at tip of lower jaw and exposed when mouth is closed. 5 marginal pores, without rostral pores and mental pores. Gill rakers slender, as 0.6 times of gill filaments at angle of arch. Scales cycloid; dorsal and anal fins without scales; anterior 2/3 of caudal fin covered by small cycloid scales; lateral line scales reaching to tip of caudal fin. Top of pectoral fin base before the origin of pelvic fins base and below the tip of gill cover; origin of pelvic fin before dorsal fin origin; caudal fin rhomboid. Sagitta morphology referred to as the Pennahia form, sagitta moderately triangular, with umbo on outer surface; inner (medial) surface moderately convex with a tadpole-shaped impression, which head heart shaped, tail slightly bend with bluntly rounded tip. Lining of body cavity sliver white with brown spots. Swim-bladder morphology referred to as the Otolithes form, swim-bladder typically carrot-shaped with 40 pairs of arborescent appendages, each with a ventral limb only, branched in a fan manner; none entering head. Color: body gray purple at upper part and white at lower part; dorsal fin light brown; upper half of caudal fin yellowish brown and bright yellow at lower half; anal and pelvic fins with bright yellow at anterior half and colorless at posterior half; pectoral fin colorless, axillary fold with a dark brown patch. Lining of mouth white, mouth margin yellow; gill chamber black, gill cover with a brown patch.
habitats Found in coastal waters over muddy bottoms. Feeds on fishes, prawns and other invertebrates. 
Distribution West 
Utility Food fish. Generally marketed fresh.