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Pseudancistrus niger (Norman, 1926)

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drawing shows typical species in Loricariidae.

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> Siluriformes (Catfishes) > Loricariidae (Armored catfishes) > Hypostominae
Etymology: Pseudancistrus: Greek, pseudes = false + Greek, agkistron = hook (Ref. 45335).
More on author: Norman.

Issue
New combination by Isbrücker (1980:45); see complementary descriptions by Heitmans et al. (1983:35, figs. 2-3), including type specimens, and by Le Bail et al. (2000:240, fig.), with biological observations and geographical distribution.

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

South America: Oyapock River basin, French Guiana.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 15.9 cm SL オス/雌雄の選別がない; (Ref. 36713)

生物学     用語集 (例 epibenthic)

Facultative air-breathing in the genus (Ref. 126274); Not so frequently occurring. Caught in rapid zones where Pseudancistrus barbatus lives although nothing is known of the ecological relationship between the two species. The odontodes on the extreme end of its snout and its pectoral spines are very well developed (Ref. 35381).

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 : Fisch-Muller, Sonia | 協力者

Armbruster, J.W., 2004. Pseudancistrus sidereus, a new species from southern Venezuela (Siluriformes: Loricariidae) with a redescription of Pseudancistrus. Zootaxa 628:1-15. (Ref. 53269)

IUCNのレッドリストの状況は (Ref. 130435)

  評価されなかった 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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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=0.01514 (0.00712 - 0.03216), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
回復力 (Ref. 120179):  手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).