Kneria uluguru : gamefish

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Kneria uluguru Seegers, 1995

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Actinopterygii 辐鳍鱼纲 (条鳍鱼) > 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 生态学

; 淡水 居于水底的; pH range: 7.2 - 7.2.   熱帶

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Africa: restricted to the Upper Ruvu drainage on the eastern and possibly southeastern slopes of the Uluguru mountains, Tanzania (Ref. 26644).
非洲: Ruvu 流域, Uluguru 山,坦尚尼亞上游。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 4.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 26644)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 9-10; 臀棘 0; 臀鳍软条: 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).

生物学特性     字汇 (例如 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).

用对比较温和的水水流的很快速的水流栖息于清澈溪流与河。 众多的在较安静的支流。 主要吃藻类与附着生物从石头上锉下来的。

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

非洲: Ruvu 流域, Uluguru 山,坦尚尼亞上游。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

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)

世界自然保护联盟红皮书 (Ref. 120744)

  次级保育类动物, 见 IUCN 红皮书 (VU) (D2); Date assessed: 31 January 2006

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

游钓鱼种: 是的
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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).
营养阶层 (Ref. 69278):  2.0   ±0.00 se; Based on food items.
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 ().
脆弱性 (Ref. 59153):  Low vulnerability (10 of 100) .