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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Hypostomus: Greek, hypo = under + Greek, stoma = mouth (Ref. 45335).
More on author: Regan.
Taxonomic Remarks
Specimens collected in Paraguay (middle Paraguayan Parana basin) identified as Hypostomus albopunctatus based on morphology ( Weber et al. 1992:13). Mitochondrial D-loop sequences used in a molecular phylogeny of Hypostomus and related genera by Montoya-Burgos and Weber (in press, fig 2; EMBL/GenBank AJ318379).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal. Tropical
South America: Rio Paraná-Paraguay basin including rio Iguaçu.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 40.0 cm SL mâle / non sexé; (Ref. 114987); poids max. publié: 991.00 g (Ref. 114987)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 2; Rayons mous dorsaux (Total) : 7; Rayons mous anaux: 6. Diagnosed from all other congeners except Hypostomus heraldoi by the pelvic-fin unbranched ray length equal to or greater than pectoral-fin unbranched ray (vs. pelvic-fin unbranched ray shorter than pectoral-fin unbranched ray). Differs from H. heraldoi by having pale dots over body and fins (vs. dark dots over body and fins) (Ref. 91066).
Body shape (shape guide): elongated.
Facultative air-breathing in the genus (Ref. 126274)
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Garavello, J.C., H.A. Britski and C.H. Zawadzki, 2012. The cascudos of the genus Hypostomus Lacépède (Ostariophysi: Loricariidae) from the rio Iguaçu basin. Neotrop. Ichthyol. 10(2):263-283. (Ref. 91066)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01175 (0.00760 - 0.01815), b=2.98 (2.86 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
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0 |
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Generation time |
13.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.1). |
Vulnérabilité de la pêche (Ref. 59153) |
High to very high vulnerability (67 of 100). 🛈 |