分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
七鰭鯰科 (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
生態學
; 淡水 底中水層性. 熱帶
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.
Myoglanis aspredinoides 被記錄只從 Rio Ventuari, 在委內瑞拉的奧里諾科河河流域上游的一個支流, 在由岩石與最大深度的大約 2 公尺形成的污濁水池中, 且水流清澈的地方與沙泥底部.(參考文獻 54795)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 9.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 54795)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
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個臀鰭棘條的一個 Myoglanis 的種;(vs.25-28 在 M. koepckei 中與 16-21 在 M. potaroensis 中) 尾鰭矛尖形的 (vs. 尾鰭在 M. 分叉了
koepckei 與叉型, 在 M. potaroensis 中的鰭條的分開到基底); 具有低又逆向的鋸齒胸棘的前緣只有末梢部地而且沒有直立的齒狀沿著中央與棘 (vs. 直立的齒狀存在的在 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 | 仔魚
Myoglanis aspredinoides 被記錄只從 Rio Ventuari, 在委內瑞拉的奧里諾科河河流域上游的一個支流, 在由岩石與最大深度的大約 2 公尺形成的污濁水池中, 且水流清澈的地方與沙泥底部.(參考文獻 54795)
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 瀕危狀態 (Ref. 130435)
瀕危 (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).
營養階層 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
