Scientific Name	Gymnura japonica   Pronounce			by: Yi-Lang Jheng
Author	(Temminck & Schlegel, 1850)	Depth	- M
Chinese	日本燕魟	Poisonous Fish	No
Family_Chinese	燕魟科	Economic Fish	No
Family	F057　Gymnuridae	Edible Fish	No	Chinese In Mainland China	日本燕魟
Max Length	100 cm	Aquarium Fish	No	Common Name	日本鳶魟、魴仔、臭尿破魴(澎湖)
Distribution in World		Distribution in Taiwan	North East
Habitats		Holotype Locality	Nagasaki Bay, Japan
Synonyms	Gymmura japonica, Pteroplatea japonica
Reference	臺灣魚類誌(沈等, 1993)；臺灣產土魟科魚類之系統分類研究（張弘俊，1985）   Masuda, H., K. Amaoka, C. Araga, T. Uyeno, etc. 1984 沈世傑 編 Shih-Chieh Shen ed. 1993
Specimen List	NTMP0685. NTUM00035Paratype. NTUM00052Paratype. NTUM01702. USNM00192559.
Barcode	2008-03-24,Kui-Ching Hsu,CO1,100% ,,CO1,100%
Common Name	Japanese butterflyray; Japanese butterfly ray
Redlist Status	Not in IUCN Redlist
Characteristic	Disc much broader than long, outer angles rounded, depressed and thin. Snout short, blunt, 2.4 in head. Eyes small, prominent, 3 in snout. Mouth side, little arched, 1.26 in head. Teeth minute, numerous, each with sharp, triangular denticle. Nostrils broad, oblique; front nasal valve broad, low lobe, hind valve short fold extending half way to internarial. Spiracles large, transverse. Gill openings small, equidistant. No dorsal fin. Ventrals small. Narrow. Tail whitish, with six black blotches above. Whitish below.
habitats	Inhabits sandy or muddy bottom in shallow waters. Feeds on benthic animals. Spines covered with skin with poisonous glands. Ovoviviparous. Used as 'kamaboko' material.
Distribution	China, Japan, Korea, Taiwan.
Utility