分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
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
生态学
; 淡水 底中水层性. 热带
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.
南美洲: 记录只从 Rio Ventuari, 在委内瑞拉的上面奥里诺科河河流域的一个支流, 在由岩石与最大深度的大约 2 公尺形成的污浊水池中, 且水流清澈的地方与沙泥底部。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 9.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 54795)
简单描述
检索表 | 型态特徵 | 形态测量图
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).
用 32-35个臀鳍棘条的一个 Myoglanis 的种;(vs.25-28 在 M. koepckei 中与 16-21 在 M. potaroensis 中) 尾鳍矛尖形的 (vs. 尾鳍在 M. 分叉了
koepckei 与叉型, 在 M. potaroensis 中的鳍条的分开到基底); 具有低又逆向的锯齿胸棘的前缘只有末梢部地而且没有直立的齿状沿着中央与棘 (vs. 直立的齿状存在的在 M. koepckei 與 M. potaroensis 中沿著胸棘的整個前緣) 與 56-57個脊椎骨 (vs.47 在 M. koepckei 中與 46 在 M. potaroensis 中) 的近側端。 (參考文獻 54795)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: 记录只从 Rio Ventuari, 在委内瑞拉的上面奥里诺科河河流域的一个支流, 在由岩石与最大深度的大约 2 公尺形成的污浊水池中, 且水流清澈的地方与沙泥底部。
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)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 15 October 2020
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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=0.00776 (0.00362 - 0.01664), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
