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Pseudochaenichthys georgianus Norman, 1937
South Georgia 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. |
| Pseudochaenichthys georgianus 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: Pseudochaenichthys: Greek, pseudes = false + Greek, chaino = with the mouth opened (Ref. 45335).
More on author: Norman.
Etymology: Pseudochaenichthys: Greek, pseudes = false + Greek, chaino = with the mouth opened (Ref. 45335).
More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range 生態學
海洋 居於水底的; 深度上下限 0 - 475 m. 極; 53°S - 73°S, 179°W - 24°W
分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
Southern Ocean: known from the islands of the Scotia Sea and the northern part of the Antarctic Peninsula to Scott Island.
南極海: 已知只來自 Scotia 海洋的島嶼與南極半島的北部了。
南極海: 已知只來自 Scotia 海洋的島嶼與南極半島的北部了。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 43.6, range 44 - 50 cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5200); common length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2805); 最大體重: 2.1 kg (Ref. 50743)
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5200); common length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2805); 最大體重: 2.1 kg (Ref. 50743)
簡短描述 檢索表 | 型態特徵 | 形態測量圖
脊椎骨: 54 - 55.
Adults feed mainly on krill and fish. Synchronous spawner (Ref. 50743).
成魚主要捕食磷蝦與魚。 同步的產卵魚.(參考文獻 50743)
成魚主要捕食磷蝦與魚。 同步的產卵魚.(參考文獻 50743)
Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南極海: 已知只來自 Scotia 海洋的島嶼與南極半島的北部了。
主要參考資料
Upload your references | 參考文獻 | 合作者 | 合作者
Iwami, T. and K.-H. Kock, 1990. Channichthyidae. p. 381-389. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5200)
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
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
Anatomy
鰓區
Brain
Otolith
鰓區
Brain
Otolith
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)
工具
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特別的報告
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網路資源
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Estimates based on models
Preferred temperature (Ref. 115969): -1.3 - 1.2, mean -0.1 (based on 18 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00296 - 0.01410), b=3.17 (2.97 - 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 ±0.1 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=0.24; tm=4; Fec = 4,666).
Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (47 of 100).
Climate Vulnerability (Ref. 125649): High to very high vulnerability (73 of 100).