Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Loricariidae
(Armored catfishes) > Hypoptopomatinae
Etymology: Parotocinclus: Greek, para in the side of + greek, ous, otis = ear + Greek, kygklos, ou = a fish (Ref. 45335); jumbo: From the unsually large size attained by this species in comparison with the other species of the genus.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 0°C -
South America: Paraiba do Norte and Piranhas rivers in Paraiba State, Canhotinho River in Pernambuco State, a tributary of the Mundau River, flowing near the city of Maceio in Alagoas State, and Salgado River in Ceara State, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.8 cm SL male/unsexed; (Ref. 47353)
Morphology | Morphometrics
soft rays: 6. Odontodes at tip of snout almost as long as wide, spatulate and with tip round or heart-shaped; first unbranched ray of pectoral fin with long and soft portion equivalent to one fourth to more than half length of hard part; arrector fossae aperture on each side of scapular bridge very wide, equivalent to about one fourth of body width; large naked area around anus; anterior dorsal profile strongly elevated from snout tip to median interorbital region, almost straight to dorsal-fin insertion, and almost parallel to longitudinal body axis; interorbital distance narrow, eye diameter 0.9-1.4 times in interorbital distance (Ref. 47353).
Inhabits flat areas of shallow clear waters with low current and sandy and rocky bottom (Ref. 47353).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Britski, H.A. and J.C. Garavello, 2002. Parotocinclus jumbo, a new species of the subfamily Hypoptopomatinae from northeastern Brazil (Ostariophysi: Loricariidae). Ichthyol. Explor. Freshwat. 13(3):279-288. (Ref. 47353)
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) .