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Kneria ruaha Seegers, 1995

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> Gonorynchiformes (Milkfishes) > Kneriidae (Shellears)
Etymology: Kneria: From Kner, that studied fishes in the Imperial Museum of Vienna, with Jean Natterer (1817) (Ref. 45335);  ruaha: Named for the Ruaha River drainage, Tanzania, where it occurs; noun in apposition (Ref. 26644).

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

; 新鮮な水 底生の. Tropical

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: upper reaches of Ndembera and Idodi Rivers and middle and lower reaches of Little Ruaha River(Ruaha River basin) in Tanzania (Ref. 26644).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 57.5 cm SL オス/雌雄の選別がない; (Ref. 26644)

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) : 8 - 11; 肛門の骨: 0; 臀鰭: 8 - 10. Diagnosis: medium sized, robust species with short head (16.4-22.8% SL) and snout (23.3-28.2% HL); dorsal fin origin just opposite to pelvic fin origin; caudal fin shallowly forked, lobes short (112.7-126.0% TL) and rounded; longest dorsal fin ray 92.9-1333.3% HL (Ref. 26644).

生物学     用語集 (例 epibenthic)

Maximum total length recorded is 68mm; inhabits cool quiet streams; feeds on detritus; no marked spawning period (Ref. 26644).

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

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

Seegers, L., 1995. Revision of the Kneriidae of Tanzania with description of three new Kneria species (Teleostei: Gonorhynchifromes). Ichthyol. Explor. Freshwat. 6(2):97-128. (Ref. 26644)

IUCNのレッドリストの状況は (Ref. 130435)

  攻撃されやすい (VU) (D2); Date assessed: 31 January 2006

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (Ref. 69278):  2.0   ±0.00 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100).