Classification / 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 / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. 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.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 9.6 cm SL αρσενικό/απροσδιόριστο; (Ref. 54795)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
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).
Τροφικό Επίπεδο (Αναφ.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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