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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); toledopizae: Named for Dr. Mônica Toledo-Piza, dear friend and ichthyologist and has contributed to characiform taxonomy and systematics for more than 25 years, including that of Priocharax; noun in the genitive case.
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. 128833)
Occurs in black water systems including small streams and ponds close to the streams and were collected along the margins where riparian vegetation was still present, especially among roots of buriti (Mauritia flexuosa). It was collected with the following species: arowana tetra Gnathocharax steindachneri; sailfin tetra Crenuchus spilurus; the tetras Bryconella pallidifrons, Hemigrammus melanochrous, H. schmardae, Hyphessobrycon agulha, Jupiaba abramoides, Moenkhausia collettii,
M. comma, M. melogramma, M. mikia; the neon tetra Paracheirodon innesi; the freshwater hatchetfish Carnegiella strigata; the headstander Chilodus punctatus; the toothless characin Curimatopsis sp.; the wolf-fish Hoplias malabaricus; the pencil fish Nannostomus marginatus; the callichthyid armoured catfish Corydoras arcuatus; the three barbled catfish Pimelodella sp.; the loricariine armoured catfish Rineloricaria sp.; the saddled cichlid Aequidens tetramerus; the dwarf cichlid Apistogramma juruensis; the glass knifefish Eigenmannia sp.; the sand knifefish Gymnorhamphichthys rondoni; and the rivuline killifish Laimosemion sp. Most sampling localities that were visited in 2021 had signs of anthropogenic impacts such as degragation of the riparian vegetation and litter accumulation (e.g., bottles, plastic bags) (Ref. 128833).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Mattox, G.M.T., R. Britz, C.S. Souza, A.L.S. Casas, F.C.T. Lima and C. Oliveira, 2023. Two new species of miniature tetras of the fish genus Priocharax from the Rio Juruá drainage, Acre, Brazil (Teleostei: Characiformes: Characidae). Canadian Journal of Zoology e-first:1-19. (Ref. 128833)
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
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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). 🛈 |