Classification / Names
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Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Astrodoradinae
Etymology: Physopyxis: Greek, physa = bellows + Greek, pyxis,-idos = box (Ref. 45335); ananas: Named from the generic name of the pineapple, Ananas, in allusion to stout body and spiny appearance of the species due to presence of additional row(s) of spines on lateral plates.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
South America: throughout the lowlands in the entire Amazon (including rio Negro) and rio Essequibo basins.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 2.2 cm SL mâle / non sexé; (Ref. 56903)
Inhabits shallow waters where organic debris accumulates, such as submerged litter banks (Ref. 56903).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Sousa, L.M. and L.H. Rapp Py-Daniel, 2005. Description of two new species of Physopyxis and redescription of P. lyra (Siluriformes: Doradidae). Neotrop. Ichthyol. 3(4):625-636. (Ref. 56903)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00639 - 0.03584), b=2.76 (2.56 - 2.96), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 2.9 ±0.2 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).