Issue
Species complex include Gymnura lessae and
Gymnura sereti; distribution of and both species were included for Gymnura micrura. Distribution will be corrected.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة القاع; نطاق العمق ? - 55 m (Ref. 27549). Deep-water
Southwestern Atlantic: Venezuela, including Trinidad and Tobago, to Brazil (Rio de Janeiro).
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 35.0, range 34 - 50 cm
Max length : 137 cm WD ذكر/ مختلط الجنس; (Ref. 4439); common length : 90.0 cm WD ذكر/ مختلط الجنس; (Ref. 5217); أعلا وزن تم نشرة: 0.00 g
Broad, diamond-shaped ray with a very short tail lacking a dorsal spine (Ref. 26938). Snout protruding. Front edges of disk concave. Tail with low dorsal and ventral finfolds and 3 - 4 dark crossbars (Ref. 7251). Upper surface gray, brown, light green or purple with round spots. Lower surface white (Ref. 6902).
Prefers neritic waters of the continental shelf and
usually found on soft bottoms. May enter brackish
estuaries or hyper-saline lagoons (Ref. 5217). Feeds on
fish and shrimps (Ref. 28587); other crustaceans and clams
(Ref. 27549). Ovoviviparous (Ref. 50449). Generally
marketed salted (Ref. 5217).
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205).
Yokota, L. and M.R. de Carvalho, 2017. Taxonomic and morphological revision of butterfly rays of Gymnura micrura (Bloch & Schneider, 1801) species complex, with the description of two new species (Myliobatiformes: Gymnuridae). Zootaxa 4332(1):1-74. (Ref. 116399)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
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