Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Loricariidae
(Armored catfishes) > Neoplecostominae
Etymology: Pareiorhaphis: Greek, pareia = jaw + Greek, rhaphis = needle (Ref. 45335); ruschii: Named for Brazilian naturalist Augusto Ruschi. More on authors: Pereira, Lehmann & A.Reis.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.5 cm SL male/unsexed; (Ref. 91743)
Morphology | Morphometrics
This species is distinguished from its congeners: except P. azygolechis, in having the lower lip margin densely fringed (vs. smooth or just slightly fringed); except with P. garbei and P. azygolechis in having a series of 6-10 (usually 7-9) small median, preadipose azygous plates, forming a low postdorsal ridge between the dorsal and the adipose fins (vs. none to 5 preadipose plates); from all remaining species except P. calmoni, P. bahianus, P. nudulus, P. hypselurus, and P. stomias by the pectoral-fin spine very long and straight, reaching the distal third of the pelvic fin when adpressed in adult males (vs. spine short and curved and maximally reaching half of the pelvic-fin length); differs from most species, except P. eurycephalus, P. hypselurus, P. stomias, and P. stephanus by having the hypural
plate asymmetrical with the lower lobe longer than the upper (vs. hypural plate approximately symmetrical) (Ref. 91743).
Collected from a shallow creek (0.5 m depth, approx. 4-5 m wide); immediately downstream from the reserve limit, where the river was still well preserved (Ref. 91743).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pereira, E.H.L., A.,P. Lehmann and R.E. Reis, 2012. A new species of the Neoplecostomine catfish Pareiorhaphis (Siluriformes: Loricariidae) from the Coastal basins of Espírito Santo, Eastern Brazil. Neotrop. Ichthyol. 10(3):539-546. (Ref. 91743)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00174 - 0.01147), b=3.10 (2.87 - 3.33), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .