分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Cottoidei (Sculpins)
鮋形目 (Sculpins) >
Agonidae (Poachers)
八角魚科 (Poachers) > Bathyagoninae
Etymology: Xeneretmus: Greek, xenos = strange + Greek, eretmos = oar (Ref. 45335).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 18 - 400 m (Ref. 2850). 深水域; 55°N - 48°N, 127°W - 116°W
Eastern Pacific: Burrard Inlet, British Columbia to northern Baja California, Mexico.
東太平洋: Burrard 小水灣, 到墨西哥的下加利福尼亞北部的卑詩省。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 19.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2850)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 6 - 7; 背的軟條 (總數) : 7 - 8; 臀棘: 0; 臀鰭軟條: 7 - 9. Caudal fin rounded. Pelvic fins small.
尾鰭圓的。 腹鰭小的。
Inhabits soft bottoms. Larvae pelagic (Ref. 6885). Feeds almost exclusively on crustaceans, mainly mysids. Preyed upon by flatfishes, hake, and lancetfish (Ref. 6885).
棲息於軟質底部。 仔魚大洋性.(參考文獻 6885) 幾乎只吃甲殼動物, 主要地糠蝦。 被比目魚，鱈魚與柳葉魚捕食了。 (參考文獻 6885)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東太平洋: Burrard 小水灣, 到墨西哥的下加利福尼亞北部的卑詩省。
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
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Estimates based on models
Preferred temperature (Ref.
123201): 7.6 - 11.2, mean 8.6 °C (based on 36 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.40 se; based on food items.
Generation time: 2.4 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
