Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Pareiorhina: Greek, pareia = jaw + Greek, rhinos = nose (Ref. 45335); aiuruoca: Name 'aiuruoca' from the type locality of the new species, Aiuruoca River drainage. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.2 cm SL male/unsexed; (Ref. 138661); 4.4 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
This species is distinguished from its congeners by the following set of characters: a cluster of abdominal platelets between the pelvic fins; presence of a postdorsal ridge, unicuspid teeth; absence of keels on dorsal and mid-dorsal series of plates; two fenestrae on the anterior portion of pelvic girdle; dorsal profile of the snout elliptical, snout tip naked; presence of dark spots over dorsal and lateral surfaces of head, body and fins; margin of the lower lip smooth; more plates on mid-dorsal; presence of two fenestrae on the anterior portion of pelvic girdle; presence of azygous plates on predorsal region; longer pectoral-fin spine, reaching the second third of dorsal-fin base when adpressed; five infraorbitals; and 30 vertebrae (Ref. 138661).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Uzeda, P.L.C., L.J. Sartori, A.M. Katz, F.P. Ottoni, W.J.E.M. Costa, F. Langeani and V.M. Azevedo-Santos, 2026. Integrative taxonomy reveals four new species of the armoured catfish genus Pareiorhina (Siluriformes: Loricariidae) from the upper Paraná River basin, Brazil. J. Fish Biol. 1-28. (Ref. 138661)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00977 (0.00436 - 0.02192), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
|
|
0 |
Resilience (Ref. 120179) |
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |