分類 / Names
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Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Myoglanis: Greek, myos = muscle, and also, mouse + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); aspredinoides: The specific epithet makes allusion to the remarkable resemblance in external appearance of this species to species of the catfish genus Aspredo of the family Aspredinidae.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: recorded only from the Río Ventuari, a tributary of the upper Orinoco river basin in Venezuela, in stagnant pools formed by rocks and around 2 m of maximum depth, with clear waters and sandy and muddy bottom.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 9.6 cm SL オス/雌雄の選別がない; (Ref. 54795)
簡単な記述
検索表 | 形態学 | 形態計測学
A species of Myoglanis with 32–35 anal-fin rays (vs. 25–28 in M. koepckei and 16–21 in M. potaroensis); caudal fin lanceolate (vs. caudal fin bifurcated in M.
koepckei and forked, divided to the base of the rays in M. potaroensis); anterior margin of pectoral spine with low, retrorse serrations only distally and without erect dentations along middle and proximal end of spine (vs. erect dentations present along entire anterior margin of pectoral spine in M. koepckei and M. potaroensis) and 56–57 vertebrae (vs. 47 in M. koepckei and 46 in M. potaroensis) (Ref. 54795).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
DoNascimiento, C. and J.G. Lundberg, 2005. Myoglanis aspredinoides (Siluriformes: Heptapteridae), a new catfish from the Río Ventuari, Venezuela. Zootaxa 1009:37-49. (Ref. 54795)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
絶滅危惧 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 15 October 2020
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00374 - 0.01688), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
