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Chaenocephalus aceratus  (Lönnberg, 1906)

Blackfin icefish
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Image of Chaenocephalus aceratus (Blackfin icefish)
Chaenocephalus aceratus
Picture by Reyes, P.

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Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Channichthyidae (Crocodile icefishes) 冰魚科 (Crocodile icefishes)
Etymology: Chaenocephalus: Greek, chaeno = to yawn + Greek, kephale = head (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 5 - 770 m.   極; 53°S - 65°S, 67°W - 4°E

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Southern Ocean: in the vicinity of Bouvet Island, Scotia Sea, and northern part of the Antarctic Peninsula.
南極海: 在鄰近南極半島的布威島, Scotia 海洋與北部。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 44.9  range ? - ? cm
Max length : 72.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 4883); common length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2805); 最大體重: 3.7 kg (Ref. 4883)

生物學特性     字彙 (例如 epibenthic)

Adults feed mostly on fish and krill. Synchronous spawner (Ref. 50743). Larvae have a long pelagic phase (Ref. 71843). Utilized as a food fish (Ref. 4931).

大部份捕食魚與磷蝦。 同步的產卵魚.(參考文獻 50743) 作為食用魚.(參考文獻 4931)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

There is only one generation of oocytes in the ovaries indicative of determinate fecundity (Ref. 50743). Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).南極海: 在鄰近南極半島的布威島, Scotia 海洋與北部。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)

IUCN 瀕危狀態 (Ref. 115185)

  未評估 

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 低經濟
FAO(漁業: 產生; publication : search) | FishSource | 周邊海洋

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): -1.3 - 1.6, mean 0 (based on 42 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00091 (0.00074 - 0.00113), b=3.48 (3.42 - 3.54), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
營養階層 (Ref. 69278):  3.4   ±0.2 se; Based on diet studies.
回復力 (Ref. 69278):  中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.17-0.24; Fec = 7,358).
瀕危性 (Ref. 59153):  High to very high vulnerability (68 of 100) .
價格種類 (Ref. 80766):   High.