Classification / Names
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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); payaya: Named for the Payayá, an indigenous people who once inhabited the area south of the rio São Francisco, between the upper rio Itapicuru and rio Paraguassu valleys to the Recôncavo Baiano, in northern Bahia State.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
South America: headwaters of the rio Itapicuru basin in Bahia, Brazil.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL mâle / non sexé; (Ref. 87309)
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Sarmento-Soares, L.M., A.M. Zanata and R.F. Martins-Pinheiro, 2011. Trichomycterus payaya, new catfish (Siluriformes: Trichomycteridae) from headwaters of Rio Itapicuru, Bahia, Brazil. Neotrop. Ichthyol. 9(2):261-271. (Ref. 87309)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00400 - 0.02388), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).