Scientific Name
Hemitrygon navarrae
Hemitrygon navarrae奈氏魟
by: Lab of Fish Ecol. and Evo., BRCAS
Author (steindachner, 1892) Depth 5 - 100M
Chinese 奈氏魟 Poisonous Fish Yes 
Family_Chinese 魟科 Economic Fish No 
Family F055 Dasyatidae Edible Fish Yes  Chinese In Mainland China 奈氏魟 
Max Length 94 cm  Aquarium Fish No  Common Name 黑土魟、魴仔 
Distribution in World North West Pacific Ocean   Distribution in Taiwan North 
Habitats Benthos、Coastal  Holotype Locality Shanghai, China 
Synonyms Trygon navarrae   
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
Common Name Blackish stingray 
Redlist Status NL Not in IUCN Redlist     
Characteristic Front margins of pectorals converging at an angle of 65℃ Snout meeting at nearly a right angle. Width of mouth contained two and one-half times in space between anterior gill-openings. Nasal flap fringed. Top of tail roughened by minute spine-like tubercles. A median dorsal row of short but strong spines originating behind gill-cavity and reaching to base of serrated tail-spine; many small tubercles on either side of this row anteriorly. Tail with a low black cutaneous fold on under side, originating under the serrated spine and extending backward a distance three times interorbital space. Uniform blackish above, pale below, tail without bands.
habitats Ovoviviparous. 
Distribution Taiwan.