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); cimar: Named for the Centro de Limnología (CIMAR) a research center of the Universidad de Costa Rica during its twentieth anniversary.
Eponymy: This is an abbreviation for Centro de Investigación en Ciencias del Mar y Limnologia, a research centre of the Universidad de Costa Rica (where both authors work) in honour of its 20th anniversary. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 0 - 85 m (Ref. 40883), usually ? - 10 m. Tropical
التوزيع
دول | مناطق الفاو | النظام البيئي | الظهور | Point map | مقدمة | Faunafri
Eastern Central Pacific: between Corinto, Nicaragua and Gulf of Nicoya, Costa Rica.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 38.2 cm TL ذكر/ مختلط الجنس; (Ref. 40883)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Large species of Urotrygon with a round disc; tail short. Dorsal surface of disc and tail yellow-brown or tan irregularly spotted with brown or black blotches; ventral surface of disc white with lateral margins of disc and posterior border of pelvic fins tan in juveniles, dark brown or gray in adults. Small pungent denticles densely cover dorsal surface of disc and tail; denticles only slightly enlarged near midline. Pupillary operculum a small triangle, apex not reaching ventral margin of pupil.
Found in tide pools and to a depth of 85 m. Usually collected in waters shallower than 10 m.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
López S., M.I. and W.A. Bussing, 1998. Urotrygon cimar, a new eastern Pacific stingray (Pisces: Urolophidae). Rev. Biol. Trop. 46 (Suppl. 6):271-277. (Ref. 40883)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 27.9 - 29.1, mean 28.5 °C (based on 98 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00578 - 0.03452), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
