Kneria uluguru : gamefish

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Kneria uluguru Seegers, 1995

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条鰭類 > Gonorynchiformes (Milkfish) > Kneriidae (Shellears)
Etymology: Kneria: From Kner, that studied fishes in the Imperial Museum of Vienna, with Jean Natterer (1817) (Ref. 45335);  uluguru: Named for the Uluguru Mountains, Tanzania, where the fish have first been collected; a noun in apposition (Ref. 26644).

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

; 新鮮な水 底生の; pH range: 7.2 - 7.2.   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: restricted to the Upper Ruvu drainage on the eastern and possibly southeastern slopes of the Uluguru mountains, Tanzania (Ref. 26644).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 4.3 cm SL オス/雌雄の選別がない; (Ref. 26644)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0; 背鰭 (合計): 9-10; 肛門の骨 0; 臀鰭: 9 - 11. Diagnosis: small species with long head, 18.8-25.0% SL; snout relatively long, 28.6-37.0% SL, with narrow cleft and peculiar structure of the inferior positioned mouth; opercular disc of males shallow, with rounded outer edge; pectoral fin long, 14.9-17.7% SL; preanal length relatively short, 65.0-71.9% SL; 79-87 lateral line scales, which tends to increase with increasing length of the fish; distinct blackish streak from tip of snout to caudal fin, which may be coverd by dark bluish spots; dorsal fin origin clearly behind pelvic fin origin (Ref. 26644).

生物学     用語集 (例 epibenthic)

Maximum total length recorded is 5.31cm TL; inhabits clear streams and rivers with very fast current to more gentle waterflow, but more numerous in the quieter stretches; omnivorous, but feeds mainly on algae and aufwuchs rasped off from stones; apparently no marked spawning season (Ref. 26644).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 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. 120744)

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

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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インターネットの情報源

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  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.
回復力 (Ref. 120179):  高い, 15か月以下の倍増期間の最小個体群 ().
弱み (Ref. 59153):  Low vulnerability (10 of 100) .