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) > Hemitripterinae
Etymology: Nautichthys: Greek, nautes = sailor + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 0 - 73 m (Ref. 50610). 溫帶
North Pacific: Attu Island, Alaska to northern Washington, USA.
北太平洋: Attu 島, 阿拉斯加到北方的美國在華盛頓州。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 48798)
背棘 (總數) : 7 - 8; 背的軟條 (總數) : 19 - 21; 臀棘: 0; 臀鰭軟條: 14 - 15. Spinous dorsal short with anterior spines longest; caudal slightly rounded; pectorals rounded, lower 8 rays exserted, middle rays lengthened reaching anal insertion; pelvic fins reaching anus (Ref. 6885). Color pale brown, lighter ventrally; dark band through eye; eye and cirrus black; dorsal fins speckled, with spinous fin darker; usually 4 dark saddles across back, and dark band at base of caudal fin; posterior edge of caudal darker (Ref. 6885). Recognizable by having a combination of gill membranes fused to isthmus, strong longitudinal depression in occiput, scales embedded in papillae covering body except in axilla, moderate-sized spinous dorsal, second dorsal with fewer than 22 rays, and a black band through eye (Ref. 6885).
刺狀的背部很短的有前面的棘長的; 尾部的略圓; 胸鰭圓的,低的 8個鰭條突出的, 中央鰭條加長達到臀鰭嵌入點; 腹鰭達到肛門。 (參考文獻 6885) 色彩白褐色, 腹部顏色較淡; 經過眼的深色條紋; 眼與卷鬚黑色; 小的斑點的背鰭, 有刺狀的鰭比較深色的; 通常在尾鰭基底的橫過背面 , 與深色條紋的 4個深色的鞍狀斑; 後緣尾部的比較深色的.(參考文獻 6885) 辨識特徵為後腦部，插入覆蓋身體除了咯肢窩的乳突鱗片有一個被融合到峽部的鰓膜的組合，強的縱向凹窪, 中等大小的刺狀背部的, 第二背鰭經過眼有較少的勝於 22個鰭條 , 與一條黑色的條紋.(參考文獻 6885)
Occurs near shore and to 73 m depth, on sand and rock bottoms and shallow exposed areas (Ref. 2850).
生活於靠近海岸與對 73 公尺深, 在沙子與石質底部與水淺且裸露的區域上.(參考文獻 2850)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北太平洋: Attu 島, 阿拉斯加到北方的美國在華盛頓州。
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)
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Estimates based on models
Preferred temperature (Ref.
123201): 3.5 - 11.1, mean 7.5 °C (based on 214 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00439 - 0.02741), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.0 ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
