(كوسه ها و سپرماهيان) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Oxynotidae (Rough sharks)
Etymology: Oxynotus: oxys (Gr.), sharp; notos (Gr.), back, referring to its keeled back (“dorso carenato”). (See ETYFish); bruniensis: -ensis, Latin suffix denoting place: the shore of Bruny Island, Tasmania, where holotype was discovered in a “dried … but fair state of preservation”. (See ETYFish).
More on author: Ogilby.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي موجوداتی که در اعماق زیر 200 متر زندگی و تغذیه می کنند; تغييرات عمق 45 - 1070 m (Ref. 26346), usually 350 - 650 m (Ref. 6871). Deep-water; 31°S - 55°S, 125°E - 172°W (Ref. 54691)
Southwest Pacific: confined to temperate waters off southern Australia and New Zealand.
Length at first maturity / Size / Weight / سن
Maturity: Lm ?, range 60 - ? cm
Max length : 65.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 122636); 74.0 cm TL (female); بيشينه وزن گزارش شده: 6.6 kg (Ref. 122636)
خارهاي باله مخرجي: 0. Uniform grey-brown coloration; short, blunt snout; high sail-like dorsal fins with spines and broad apices, first dorsal spine inclined backward; high, thick triangular body with large, rough denticles; circular spiracles; lanceolate upper teeth, lower blade-like teeth in less than 12 rows (Ref. 247).
Found on outer continental and insular shelves and uppermost slopes (Ref. 247). Probably feeds on bottom invertebrates and fishes. Ovoviviparous (Ref. 205). Taken incidentally with bottom trawls but probably not used (Ref. 247).
Ovoviviparous, with 7 young in a litter (Ref. 247). Size at birth about 24 cm (Ref. 6871). Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 6.2 - 10.4, mean 8 °C (based on 150 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00160 - 0.00860), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.62 se; based on food items.
جهندگی (Ref.
120179): خیلی آهسته, كمينه زمان لازم براي دو برابر شدن جمعيت بيش از 14 سال (Fec=7).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
Nutrients (Ref.
124155): Calcium = 8.32 [1.56, 44.88] mg/100g; Iron = 0.283 [0.065, 0.939] mg/100g; Protein = 18.8 [17.0, 20.6] %; Omega3 = 0.302 [0.100, 0.969] g/100g; Selenium = 14.1 [4.0, 44.8] μg/100g; VitaminA = 13.4 [2.6, 67.1] μg/100g; Zinc = 0.414 [0.198, 0.828] mg/100g (wet weight);