इलाज़मौबरांकी (शारक और रेज़) (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
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 5 - 150 m (Ref. 12951). Temperate; 32°S - 44°S
Eastern Indian Ocean: endemic to Australia.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm 23.8, range 20 - 24.1 cm
Max length : 57.0 cm TL पुल्लिंग / अलिंग; (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).
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
IUCN Red List Status (Ref. 126983)
Threat to humans
Traumatogenic (Ref. 12951)
Human uses
मात्स्यिकी: लघु वाणिज्य
अधिक जानकारी
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इंटरनेट स्रोत
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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (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.
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 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);