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Amphilius natalensis Boulenger, 1917

Natal mountain catfish
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Amphilius natalensis
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> Siluriformes (Catfishes) > Amphiliidae (Loach catfishes) > Amphiliinae
Etymology: Amphilius: Greek, amphi = on both sides + Greek, leios = fat.
More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 底生の. Tropical; 15°S - 29°S

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Africa: Escarpment streams from lower Zambezi River in the eastern highlands of Zimbabwe to Umkomaas system in KwaZulu-Natal Drakensberg, South Africa (Ref. 52193); also in Ruo River of Zambezi system in Malawi (Ref. 3818, 52193).

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 6.2  range ? - 7 cm
Max length : 12.5 cm SL オス/雌雄の選別がない; (Ref. 52193)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 0; 背鰭 (合計) : 7; 肛門の骨: 0; 臀鰭: 8 - 9.

生物学     用語集 (例 epibenthic)

Lives among cobbles and rocks in swiftly flowing water (Ref. 52193). Active at night, feeding on benthic stream invertebrates such as mayfly and midge larvae (Ref. 52193). Breeds in summer (Ref. 52193). Iteroparous, with asynchronous ovarian development (Ref. 51405). Preyed upon by trout and is now scarce in certain streams (Ref. 7248, 52193).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

Iteroparous, with asynchronous ovarian development (Ref. 51405).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Skelton, P.H., 2001. A complete guide to the freshwater fishes of southern Africa. Cape Town (South Africa): Struik Publishers, 395 p. (Ref. 52193)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 13 March 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 商業; 水族館・水槽: 公共の水族館
FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00173 - 0.01152), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.2   ±0.40 se; based on food items.
回復力 (Ref. 120179):  手段, １．４年～４．４年の倍増期間の最小個体群 (Fec=600).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
価格帯 (Ref. 80766):   Unknown.