分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks)
角鯊目 (Sleeper and dogfish sharks) >
Squalidae (Dogfish sharks)
棘鮫科 (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436); clarkae: Named for Dr. Eugenie Clark for her dedication to elasmobranch biology and marine conservation..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 242 - 613 m (Ref. 120195). 7°C - 14°C (Ref. 120195)
Western Atlantic: Gulf of Mexico (West Florida Slope off Tampa, Florida to west side of the head of DeSoto Canyon off Louisiana).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 55.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 120195); 72.3 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This species possess a longer body, smaller interorbital space (equal to that of the mouth width which is 0.78-0.82 times the pre-oral length); short caudal fin; differently-proportioned first dorsal fin (interdorsal space, 24.6% to 25.8% of TL); relatively short snout; prenarial length 0.64-0.69 times mouth width and 1.32-1.59 times eye length; denticles wide, tricuspidate, overlapping, and rhomboid; caudal 'bar' present at the fork of the caudal fin; dorsal caudal lobe wide, and a broad rounded tip (Ref. 120195).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Pfleger, M.O., R.D. Grubbs, C.F. Cotton and T.S. Daly-Engel, 2018. Squalus clarkaeSqualus mitsukurii. species complex. Zootaxa 4444(2):101-119. (Ref. 120195)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00162 - 0.00707), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.3 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
![Image of Squalus clarkae (Genie\](/images/thumbnails/jpg/tn_Sqcla_u0.jpg "Image of Squalus clarkae (Genie\")
