التصنيف / الأسماء
الأسماء الشائعة | مرادفات | Catalog of Fishes(جنس, الانواع) | ITIS | CoL | WoRMS | Cloffa
أشلاق (القروش و الشفانين) (sharks and rays) >
Myliobatiformes (Stingrays) >
Gymnuridae (Butterfly rays)
Etymology: Gymnura: Greek, gymnos = naked + Greek, oura = tail (Ref. 45335); lessae: Named for Dr. Rosangela Lessa, Brazilian researcher working for the conservation of sharks and rays in her country.
Eponymy: Dr Rosângela Paula Teixeira Lessa, a lecturer at the Federal Rural University of Pernambuco (UFRPE), is a Brazilian researcher working for the conservation of sharks and rays in her country. [...] (Ref. 128868), visit book page.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري القاع. Subtropical
Western Atlantic: USA, from southern Massachusetts and Buzzards Bay to the Gulf of Mexico (including the Gulf Coast of the US and Mexico). And probably may be extended to the northern Caribbean Sea (Bahamas and Jamaica).
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 60.9 cm WD ذكر/ مختلط الجنس; (Ref. 116399); 110.0 cm WD (female)
This demersal species lives along the coast on sandy and muddy bottoms. Reported stomach contents include fishes, crustaceans, molluscs and other invertebrates. This species is matrotophic viviparous (lipid histotrophy). Young are reported to be produced from late May through July and into August, and probably even later in the season. Pregnancy is reported to occur during the summer months (Ref. 116399).
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
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)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
استخدامات بشرية
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تقارير خاصة
تنزيل XML
مصادر علي الأنترنت
تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00851 (0.00397 - 0.01825), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
3.8 ±0.6 se; based on size and trophs of closest relatives |
ضعف الصيد (Ref. 59153) |
Moderate vulnerability (43 of 100). 🛈 |