أشلاق (القروش و الشفانين) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urolophidae (Round rays)
Etymology: Urolophus: Greek, oura = tail + Greek, lophos = crest (Ref. 45335).
More on author: Lacepède.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة القاع; نطاق العمق ? - 160 m (Ref. 6871). Temperate; 37°S - 44°S
Eastern Indian Ocean: southern Australia.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 31.5 range ? - ? cm
Max length : 50.0 cm TL ذكر/ مختلط الجنس; (Ref. 6871)
Inhabits inshore waters, preferably muddy bottoms in the mouths of estuaries and in bays. Also found in rocky reefs (Ref. 12951). Feeds on crustaceans, mollusks, and worms (Ref. 12951). An inactive fish, lying concealed beneath the substrate where it is accidentally disturbed by divers and swimmers.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | 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: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 13.7 - 16.6, mean 15.1 °C (based on 164 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00372 - 0.01775), 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 (Ref.
69278): 3.4 ±0.44 se; based on food items.
Generation time: 6.1 ( 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 to high vulnerability (52 of 100).
Nutrients (Ref.
124155): Calcium = 7.56 [1.13, 143.45] mg/100g; Iron = 0.26 [0.03, 3.04] mg/100g; Protein = 20 [15, 25] %; Omega3 = 0.413 [0.119, 1.256] g/100g; Selenium = 9.59 [1.87, 48.21] μg/100g; VitaminA = 8.38 [0.74, 84.96] μg/100g; Zinc = 0.559 [0.045, 5.986] mg/100g (wet weight);
