分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods)
鱈形目 (Cods) >
Macrouridae (Grenadiers or rattails)
鼠尾鱈科 (Grenadiers or rattails)
Etymology: Mataeocephalus: Greek, maa, mataio = silliness + Greek,kepahle = head (Ref. 45335).
More on authors: Gilbert & Cramer.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海區的; 非遷移的; 深度上下限 400 - 1300 m (Ref. 75667). 深水域; 26°N - 13°N, 166°W - 148°W (Ref. 1371)
Indo-Pacific, tropical waters: from the Indian Ocean to Sala y Gomez; north to Hawaii; south to New Caledonia.
中太平洋東部: 夏威夷群島與 Sala y Gomez 脊。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 22.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 95664)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 2; 臀棘: 0. Snout long, sharply pointed, with a prominent, bifid, terminal scute; underside of the head almost entirely naked. Body scales with short, conical, posteriorly directed, spinules arranged in 4 to 6 parallel rows. Periproct moderate-sized, pear-shaped to oval, midway between the pelvic and anal fins; usually with a small black fossa anterior to anus.
吻長的﹐非常尖的, 具有一個突出的﹐兩裂的﹐和末端的鱗甲; 頭部的下面幾乎完全裸露。 身體鱗片有短, 錐形, 朝向後面, 小刺排列成 4 到 6 平行的列了。 肛門周圍中等大小的, 珠狀的對橢圓形, 在腹鰭與臀鰭之間中途; 通常有一個小的黑色窩位於肛門前。
Found on the continental slope (Ref. 75154). Benthopelagic (Ref. 58302).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中太平洋東部: 夏威夷群島與 Sala y Gomez 脊。
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
人類使用
漁業: 沒有興趣
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Estimates based on models
Preferred temperature (Ref.
123201): 3.6 - 6.8, mean 5.6 °C (based on 4 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.5 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 (13 of 100).
