أشلاق (القروش و الشفانين) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urolophidae (Round rays)
Etymology: Urolophus: Greek, oura = tail + Greek, lophos = crest (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 5 - 150 m (Ref. 12951). Temperate; 32°S - 44°S
Eastern Indian Ocean: endemic to Australia.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 23.8, range 20 - 24.1 cm
Max length : 57.0 cm TL ذكر/ مختلط الجنس; (Ref. 12951)
Occurs on the continental shelf (Ref. 7300). Adults feed on worms, crabs, shrimp, and small bony fishes while juveniles take small crustaceans (Ref. 12951).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
IUCN Red List Status (Ref. 130435)
خطر للأنسان
Traumatogenic (Ref. 12951)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 14.3 - 19.4, mean 16.3 °C (based on 288 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00440 - 0.01371), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.7 ±0.59 se; based on food items.
Generation time: 5.2 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
Nutrients (Ref.
124155): Calcium = 9.6 [1.4, 169.0] mg/100g; Iron = 0.308 [0.029, 3.628] mg/100g; Protein = 20.2 [14.9, 25.4] %; Omega3 = 0.42 [0.12, 1.24] g/100g; Selenium = 10.5 [2.3, 60.0] μg/100g; VitaminA = 5.63 [0.42, 61.55] μg/100g; Zinc = 0.387 [0.027, 4.200] mg/100g (wet weight);
