分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436).
Eponymy: Maurice Jean Leonard Loustau-Lalanne (d: 1955) has held a number of posts in the government of the Seychelles and was the Seychelles Principal Secretary for the Environment at the time of the discovery of this species. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 ? - 1000 m (Ref. 76802). Tropical
Western Indian Ocean: Seychelles.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 61.5 cm TL オス/雌雄の選別がない; (Ref. 76802); 78.8 cm TL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
This species is characterized by having a low number of precaudal vertebrae (67-69); rounded free rear tip of pectoral; only 1 developed lobe at the anterior part of nostril flap; nostrils' inner corner at about midway between tip of snout and upper lip; uniformly grey body color with dorsal fins blackish (Ref. 76802).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Distinct pairing with embrace (Ref. 205).
Baranes, A., 2003. Sharks from the Amirantes Islands, Seychelles, with a description of two new species of squaloids from the deep sea. Israel J. Zool. 49:33-65. (Ref. 76802)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 潜在的興味の
用具
特記事項
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インターネットの情報源
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=0.00347 (0.00165 - 0.00730), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 4.3 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).