Classification / Names
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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Stegophilinae
Etymology: Henonemus: Greek, enioi, -ai, -a = sometimes, some + Greek, nema = filament (Ref. 45335); triacanthopomus: Name from the Greek 'tri' (three), 'acanthos' (spine), and 'poma' (opercle) referring to the maximum number of odontodes found in both opercles of the adult individuals, apparently a unique character among the species of the genus..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
South America: Venezuela.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 9.4 cm SL mâle / non sexé; (Ref. 57442)
Description synthétique
Morphologie | Morphométrie
Diagnosis: Differs from its congeners by having three or asymmetrically 4 opercular odontodes in specimens longer than 8 cm SL; a blackish ventral lobe of caudal fin; a row of mid-lateral dark blotches above the lateral line deflected dorsally on caudal peduncle; five interopercular odontodes inserted in the main series; and, lower jaw teeth arranged in seven rows (Ref. 57442).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
DoNascimiento, C. and F. Provenzano, 2006. The genus Henonemus (Siluriformes: Trichomycteridae) with a description of a new species from Venezuela. Copeia 2006(2):198-205. (Ref. 57442)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00146 - 0.00990), b=3.08 (2.86 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.6 ±0.8 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).