أشلاق (القروش و الشفانين) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urotrygonidae (American round stingrays)
Etymology: Urotrygon: Greek, oura = tail + Greek, trygon = a sting ray (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 9 - 55 m (Ref. 58018). Tropical
Western Atlantic: Venezuela and the mouth of the Amazon.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 19.9, range 17 - ? cm
Max length : 11.8 cm WD ذكر/ مختلط الجنس; (Ref. 13608)
Long and pointed snout. Disc angular in front and naked. Tail longer, pectorals are angular and caudal fin narrower. Upper surface gray and lower surface whitish (Ref. 6902).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Uyeno, T., K. Matsuura and E. Fujii (eds.), 1983. Fishes trawled off Suriname and French Guiana. Japan Marine Fishery Resource Research Center, Tokyo, Japan. 519 p. (Ref. 13608)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
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