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Pseudochaenichthys georgianus Norman, 1937

South Georgia icefish
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This map was computer-generated and has not yet been reviewed.
Pseudochaenichthys georgianus   AquaMaps   Data sources: GBIF OBIS
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Image of Pseudochaenichthys georgianus (South Georgia icefish)
Pseudochaenichthys georgianus
Picture by Reyes, P.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Perciformes/Notothenioidei (Icefishes) > Channichthyidae (Crocodile icefishes)
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 生态学

海洋 居于水底的; 深度上下限 0 - 475 m. 極; 53°S - 73°S, 179°W - 24°W

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | 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。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 43.6, range 44 - 50 cm
Max length : 60.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5200); common length : 50.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2805); 最大体重: 2.1 kg (Ref. 50743)

简单描述 检索表 | 型态特徵 | 形态测量图

脊椎骨: 54 - 55.

生物学特性     字汇 (例如 epibenthic)

Adults feed mainly on krill and fish. Synchronous spawner (Ref. 50743).

成鱼主要捕食磷虾与鱼。 同步的产卵鱼.(参考文献 50743)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

南極海: 已知只來自 Scotia 海洋的島嶼與南極半島的北部了。

主要参考文献 Upload your references | 参考文献 | 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)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)

  濒危 (EN) (A2bcde); Date assessed: 29 November 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 低经济
FAO - 渔业: landings; Publication: search | FishSource | 周边海洋

更多信息

Life cycle
繁殖
成熟度
Maturity/Gills rel.
孕卵数
产卵场
Spawning aggregations

卵的发育
仔鱼
稚鱼动力学
Distribution
国家
FAO区域
生态系
标本纪录
简介
BRUVS - Videos
Anatomy
鳃区
Brain
Otolith
Physiology
Body composition
Nutrients
耗氧量
游泳类型
游泳速度
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
遗传学
Heterozygosity
遗传率
Human related
Aquaculture systems
水产养殖描述
品种
Ciguatera cases
Stamps, coins, misc.
Outreach
合作者
References
参考文献

工具

特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - 渔业: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 123201): -1.3 - 1.2, mean -0.1 °C (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).
营养阶层 (Ref. 69278):  3.4   ±0.1 se; based on diet studies.
Generation time: 4.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 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).
价格分类 (Ref. 80766):   Low.
Nutrients (Ref. 124155):  Calcium = 23.2 [14.6, 53.2] mg/100g; Iron = 0.503 [0.205, 0.955] mg/100g; Protein = 17.8 [16.2, 19.5] %; Omega3 = 0.358 [0.209, 0.605] g/100g; Selenium = 17.6 [7.7, 37.3] μg/100g; VitaminA = 12.6 [2.9, 55.6] μg/100g; Zinc = 0.374 [0.259, 0.557] mg/100g (wet weight);