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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Microcambevinae
Etymology: Listrura: Greek, listroo = to tie + Greek, oura = tail (Ref. 45335); tetraradiata: Named for the number of pectoral fin rays, a diagnostic feature.
More on authors: Landim & Costa.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: Ibicuíba River, Araruama Lagoon system in Brazil.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.4 cm SL mâle / non sexé; (Ref. 41513)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Vertèbres: 47 - 49. Pectoral fin rays 4 and segmented; first ray unbranched, its tip elongate forming a filament; rays 2-4 branched with distal tip free from the membrane. Dorsal and anal fins all branched. Dorsal procurrent caudal fin rays 21-28; ventral procurrent 21-24. Mouth subterminal; lips and barbels covered by papillae. Premaxillary teeth 27-32; dentary teeth 24-31 (Ref. 41513).
Body shape (shape guide): elongated; Cross section: oval.
Specimens collected from a small, clear water forest stream, shallow (ca. 40 cm deep), with large rocks on banks, gravel and sand on the bottom. Stomach contents include copepods and insect larvae and mites (Ref. 41513).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Landim, M.I. and W.J.E.M. Costa, 2002. Listrura tetraradiata (Siluriformes: Trichomycteridae): a new glanapterygine catfish from the southeastern Brazilian coastal plains. Copeia 2002(1):152-156. (Ref. 41513)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.1 ±0.30 se; based on food items.
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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