Scientific Name
Synodus binotatus  
Synodus binotatus雙斑狗母魚
by: ©Randall, John E.
Author Schultz, 1953 Depth 1 - 30M
Chinese 雙斑狗母魚 Poisonous Fish No 
Family_Chinese 合齒魚科 Economic Fish No 
Family F187 Synodontidae Edible Fish Yes  Chinese In Mainland China 吻斑狗母魚 
Max Length 18 cm  Aquarium Fish No  Common Name 雙斑狗母、狗母梭、狗母 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan West、South、Tung Sa IS. 
Habitats Coral、Benthos、Coastal  Holotype Locality Lagoon reef near southern end, Ennylabegan Island, Kwajalein Atoll [Ralik Chain, Marshall Islands, western Pacific] 
Reference 臺灣脊椎動物誌(陳兼善, 1969);中國動物誌-燈籠魚目(陳等, 2002);The Live Marine Resources of the Western Central Pacific, Vol.3(FAO,1999)  Schultz, L.P. 1953 沈世傑 編 Shih-Chieh Shen ed. 1993 陳素芝 編著 2002 
Specimen List ASIZP0070526. NMMBP03143. USNM00217602.  
Common Name Twospot lizardfish; Two-spot lizard fish; Spotnose lizardfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body subcylindrical, slihgtly depressed on head. Snout tip rounded. Anteriormost palatine teeth longer than more posterior teeth and in a discrete group. Membranous flap on anterior nostrils long and broad. Head and body with cycloid scales; cheek behind mouth scaled; scales above lateral line 3.5(rarely 4.5); dorsal fin about midway on back, with 12-14 rays(usually 13); anal fin with 8-10(usually 9); Pectoral fins extending well beyond a line from pelvic-fin origin to dorsal-fin origin; caudal fin forked. Dorsal tip of snout with a pair of small but prominent black spots. Middle rays of caudal fin without black tips.
habitats Occurs in coral reefs in depths from 1 to 30 m. Generally solitary and typically rests on hard surfaces, occasionally with a head down position on a steep slope. 
Distribution Widespread in the Indo-West Pacific from Gulf of Aden and East Africa to the Hawaiian and Gambier islands, north to the Ogasawara Islands, south to the Great Barrier Reef. It found in southwestern and southern Taiwanese waters. 
Utility Marketed fresh.