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Chaenocephalus aceratus (Lönnberg, 1906)
Blackfin icefish
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Chaenocephalus aceratus AquaMaps Data sources: GBIF OBIS |
Common names from other countries
分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Perciformes/Notothenioidei (Icefishes) 鱸形目 (Icefishes) > Channichthyidae (Crocodile icefishes) 冰魚科 (Crocodile icefishes)
Etymology: Chaenocephalus: Greek, chaeno = to yawn + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.
Etymology: Chaenocephalus: Greek, chaeno = to yawn + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.
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
分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
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。
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)
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)
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)
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 | 卵 | 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. 130435: Version 2024-1)
次級保育類動物, 見 IUCN 紅皮書 (VU) (A2bcde); Date assessed: 29 November 2023
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漁業: 低經濟
FAO(漁業: 產生; publication : search) | FishSource | 周邊海洋
更多資訊
Population dynamics
成長參數
Max. ages / sizes
Length-weight rel.
Length-length rel.
長度-頻率
Mass conversion
入添量
豐度
成長參數
Max. ages / sizes
Length-weight rel.
Length-length rel.
長度-頻率
Mass conversion
入添量
豐度
Physiology
Body composition
Nutrients
耗氧量
游泳類型
游泳速度
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
耗氧量
游泳類型
游泳速度
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
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Estimates based on models
Preferred temperature (Ref. 115969): -1.3 - 1.6, mean 0 (based on 42 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00093 (0.00079 - 0.00110), b=3.48 (3.43 - 3.53), 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. 120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.17-0.24; Fec = 7,358).
Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (54 of 100).
Climate Vulnerability (Ref. 125649): High to very high vulnerability (75 of 100).