Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Loricariidae
(Armored catfishes) > Hypoptopomatinae
Etymology: Pareiorhaphis: Greek, pareia = jaw + Greek, rhaphis = needle (Ref. 45335); azygolechis: Named for the numerous preadipose azygous plates; noun in apposition. More on authors: Pereira & Reis.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 0°C -
South America: rio São João drainage in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.7 cm SL male/unsexed; (Ref. 42856)
Morphology | Morphometrics
soft rays: 6. Rictal barbel coalesced with the lower lip in a complex and ornamented fringe; slender pectoral-fin spine, thinner than pelvic-fin spine; lateral process of cleithrum developed above the origin of pectoral fin; mature males have short hypertrophied odontodes on margins of head hidden by big fleshy lobes (Ref. 42856).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass 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=0.00759 (0.00328 - 0.01756), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .