分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ophidiiformes (Cusk eels)
鼬鳚目 (Cusk eels) >
Ophidiidae (Cusk-eels)
鼬魚科 (Cusk-eels) > Neobythitinae
Etymology: Bassozetus: Latin, bassus = thick, fat + Greek, ketos = marine mosnter, whale (Ref. 45335); galatheae: Named for the Danish research vessel GALATHEA which caught the first specimens during its global circumnavigation in 1950-52.
Eponymy: This is not a true eponym as it is named after a ship. [...] (Ref. 128868), visit book page.
More on authors: Nielsen & Merrett.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 1680 - 1800 m (Ref. 84269). 深水域
Indo-Pacific: from off Kenya to Fiji.
東印度洋。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 55.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 84269)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This species is distinguished by the following characters: body elongate, tapering caudally, scales on head and body rather small with 25-35 oblique scale rows, snout rather pointed, mouth terminal, a single basibranchial tooth patch with a slight constriction centrally and a v-shaped vomer, sagittal otolith large with a small sulcus and no ostial channel, dorsal fin-rays 132-142, anal fin-rays 108-114, pectoral fin-rays 26-29, ventral fin-rays not reaching anus, total number of vertebrae 71-76, long gill rakers on anterior arch 14-17 (Ref. 84269).
A benthic species found on the continental slope (Ref. 75154). Reproductive strategy possibly similar to other members of this family featuring oviparity, with oval pelagic eggs floating in a gelatinous mass (Ref. 205). Of the 22 examined specimens 16 are
males, including a 55.5 crn SL specimen with spent testes. One of the six females measuring 23.2 cm SL had fully ripe ovaries with eggs of about 0.5 mm in diameter. These were caught on or near the bottom mostly at slope depths but also extending into the abyss. Identifiable contents from the digestive tract found in six specimens include scales and vertebrae from fish, dorsal felt from polychaetes and remains of crustaceans (Ref. 84269).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東印度洋。
Nielsen, J.G. and N.R. Merrett, 2000. Revision of the cosmopolitan deep-sea genus Bassozetus (Pisces: Ophidiidae) with two new species. Galathea Report 18:7-56. (Ref. 84269)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 16 August 2019
人類使用
漁業: 沒有興趣
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Estimates based on models
Preferred temperature (Ref.
123201): 2 - 3.2, mean 2.6 °C (based on 100 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [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).
營養階層 (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (47 of 100).
