Scientific Name
Rhinoptera javanica  
Rhinoptera javanica爪哇牛鼻鱝
by: Lab of Fish Ecol. and Evo., BRCAS
Author Müller & Henle, 1841 Depth - M
Chinese 爪哇牛鼻鱝 Poisonous Fish No 
Family_Chinese 鱝科 Economic Fish No 
Family F058 Myliobatidae Edible Fish No  Chinese In Mainland China 爪哇牛鼻鱝 
Max Length 150 cm  Aquarium Fish No  Common Name 叉頭燕魟、飛魴仔、鷹魴、烏魴(澎湖)、燕仔魴(澎湖) 
Distribution in World   Distribution in Taiwan East、South、North East 
Habitats   Holotype Locality Java, Indonesia; coast of Malabar, India 
Synonyms Rhinoptera hainanica, Rhinopthera javanica   
Reference 臺灣魚類誌(沈等, 1993);Marine Fishes & Fisheries of Malaysia and Neighbouring Countries   沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0060046. ASIZP0070326. NMMBP00121. NMMBP01321. NTMP1325.  
Common Name Cownose ray; Flapnose ray; Javanese cow-nose ray; Flapray; Javanese cow ray; Javanese cownose ray 
Redlist Status NL Not in IUCN Redlist     
Characteristic Disc broad. Head prominent. Rostral fins detached from the pectorals, forming a produced, free and flexible lobe in front of each orbit, not produced in front of the middle of the head. Snout width subequal with interorbital, with shallow median notch. Eyes round, pupil erect. Spiracles large, close behind eye. Teeth seven rows in each jaw, median row more than 3 times as wide as long, cutermost row of teeth smallest, wide as long. Gill openings moderate, equidistant, last smallest. One dorsal fin, its origin above the ends of the ventral bases, and a serrated spine immediately behind dorsal. Ventrals rather long, narrow, end in obtuse inner lobe. Tail long, slender, whiplike. Specimen in formalin grey above, whitish below.
habitats Found in bays, estuaries, and near coral reefs, over sand and mud bottoms. Large schools with up to 500 individuals have been reported. Feeds on clams, oysters and crustaceans. Lives to over 2 years in captivity. Ovoviviparous. Edible. 
Distribution India, Ceylon, East Indies, China, Java, Taiwan.