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Parotocinclus jequi Lehmann, A., Koech, Braun, Pereira & Reis, 2013

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Parotocinclus jequi
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drawing shows typical fish in this Family.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Parotocinclus: Greek, para in the side of + greek, ous, otis = ear + Greek, kygklos, ou = a fish (Ref. 45335);  jequi: The specific name jequi is from the native Tupi language ye’kei, a type of fish trap, and part of the name of Rio Jequitinhonha, which means field of the river traps: jequi (fish trap), ty (water, river), and nhum (field). A noun in apposition.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal.   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: headwaters of the Rio Jequitinhonha, Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.4 cm SL male/unsexed; (Ref. 94247)

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal soft rays: 6; Vertebrae: 30 - 31. Can be diagnosed from other species of Parotocinclus, except P. prata and P. robustus, by its lack of abdominal plates between the pectoral girdle and the anus. Differs from these species by having smaller cleithral width (16.7-20.7 vs. 20.8- 27.6% SL in P. prata and 25.9-28.8% SL in P. robustus). Can be further distinguished from P. prata by the ventral surface of head, behind the lower lip, smooth and unwrinkled in adults (vs. wrinkled and rugose), and by the tip of adpressed pectoral fin not reaching to middle of pelvic fin (vs. pectoral fin reaching to middle of pelvic fin); also from P. robustus by the lack of dark brown dots on body (vs. presence in large specimens of many dark brown dots on dorsal and lateral region of head and trunk). Distinguished also from most other congeners (except P. arandai, P. bahiensis, P. prata, P. robustus, and P. spilurus) by having the rostral plate not visible ventrally (vs. visible in ventral view); and except for P. cearensis, P. cesarpintoi, P. jumbo, P. prata, P. robustus, P. spilosoma, and P. spilurus, by having the pectoral girdle covered by thick skin medially and exposed supporting odontodes only laterally (vs. pectoral girdle exposed and supporting odontodes medially and laterally). Can be further separated from all congeners from the Amazon and Orinoco basins and the Guianas coastal drainages (except P. collinsae), by the absence of a triangular patch of dark pigmentation on the anterior dorsal-fin base (vs. presence). Differs from P. collinsae by the absence of accessory teeth on the premaxilla and dentary (vs. presence) (Ref. 94247).

Biology     Glossary (e.g. epibenthic)

Inhabits headwater creek with clear water, depth of 0.3 to 1.2 m, substrate composed of rocks and pebbles, and marginal vegetation (Ref. 94247).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Fisch-Muller, Sonia | Collaborators

Lehmann, A.P., B. Koech Braun, E.H.L. Pereira and R.E. Reis, 2013. A new species of the Hypoptopomatinae catfish Parotocinclus (Siluriformes: Loricariidae), from the headwaters of the Rio Jequitinhonha, Brazil. Copeia 2013(3):435-440. (Ref. 94247)

IUCN Red List Status (Ref. 119314)


CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00225 - 0.01343), b=3.11 (2.90 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.0   ±0.1 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .