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) > Agoninae
Eponymy: Dr Harry Wyman Freeman (1923–2012) was Professor of Biology at College of Charleston, his alma mater. [...] Sir D’Arcy Wentworth Thompson (1860–1948) was a Scottish mathematician and biologist. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Gilbert.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 10 - 300 m (Ref. 58496). 溫帶
Northwest Pacific: Japan to the Sea of Okhotsk and the Sea of Japan.
西北太平洋: 日本到鄂霍次克海與日本海。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 22.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 56557)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 8 - 10; 背的軟條 (總數) : 5 - 7; 臀棘: 0; 臀鰭軟條: 6 - 8. Snout projecting forward, with a pair of patches of barbels on its ventral surface. A well-developed strong keel is on the lateral side of the head.
吻向前突出, 有一對區塊觸鬚在它的腹面上。 發展良好的強龍骨脊在頭部的側面側邊上。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西北太平洋: 日本到鄂霍次克海與日本海。
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
工具
特別的報告
下載 XML
網路資源
Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 13.8, mean 2.4 °C (based on 101 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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): 3.3 ±0.3 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): Low vulnerability (12 of 100).
