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Megalechis thoracata (Valenciennes, 1840)

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Megalechis thoracata
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Teleostei > Siluriformes (Catfishes) > Callichthyidae (Callichthyid armored catfishes) > Callichthyinae
Etymology: Megalechis: Greek, megas, megalos = great + greek, echis, -eos = viper (Ref. 45335).
More on author: Valenciennes.

Issue
See Reis (1997) for phylogeny and Reis (1998) for detailed description.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 居于水底的. 熱帶

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South America: Amazon, Orinoco and upper Paraguay River basins, as well as coastal rivers of the Guianas and northern Brazil.
南美洲: 亞馬遜河, 奧里諾科河與巴拉圭河流域上游, 以及圭亞那與巴西北部的沿海河川。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 15.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 121647); 最大体重: 140.00 g (Ref. 121647)

生物学特性     字汇 (例如 epibenthic)

Obligate air-breathing (Ref. 126274)

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

南美洲: 亞馬遜河, 奧里諾科河與巴拉圭河流域上游, 以及圭亞那與巴西北部的沿海河川。

主要参考文献 Upload your references | 参考文献 | 合作者 : Reis, Roberto E. | 合作者

Reis, R.E., P.-Y. Le Bail and J.H.A. Mol, 2005. New arrangement in the synonymy of Megalechis Reis, 1997 (Siluriformes: Callichthyidae). Copeia 2005(3):678-682. (Ref. 57766)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 20 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00243 - 0.01493), b=3.11 (2.89 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.9   ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).