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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Tyttobryconinae
Etymology: Priocharax: Greek, prio = to saw + Greek, charax, -akos = a fish without identification (Ref. 45335); conwayi: Name 'conwayi' in honor of Dr. Kevin W. Conway, a notable ichthyologist, for his contribution to the knowledge of fish taxonomy and morphology.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: Brazil.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 1.9 cm SL mâle / non sexé; (Ref. 133463)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 8 - 9; Rayons mous anaux: 16 - 23. This species is distinguished from its congeners by the following set of characters: claustrum present; three infraorbitals present Ios 1+2+3; premaxillary teeth 14-20, maxillary teeth 24-29, and dentary teeth 24-34; single postcleithrum; five branched pelvic-fin rays; adipose fin absent; anal-fin base 25-31 %SL; caudal peduncle 18-24 %SL (Ref. 133463).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits black water systems, including shallow riverine and slow-flowing forest stream with dense aquatic vegetation, where the type specimens were collected (Ref. 133463).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Mattox, G.M.T., F.C.T. Lima, R. Britz, C.S. Souza and C. Oliveira, 2024. Two new miniature species of the fish genus Priocharax from the Rio Tapajós and Amazonas drainages, Pará, Brazil (Teleostei: Characiformes: Characidae). Vertebrate Zoology 74:533-550. (Ref. 133463)
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) |
PD50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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) |
3.0 ±0.4 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |