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Ancistrus jataiensis  Fisch-Muller, Cardoso, da Silva & Bertaco, 2005

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

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Loricariidae (Armored catfishes) > Ancistrinae
Etymology: Ancistrus: Greek, agkistron = hook (Ref. 45335);  jataiensis: The specific name jataiensis is derived from Jatai, the name of the only river where the species was found.

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

Freshwater; demersal.   Tropical

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

South America: known only from the type locality, a small tributary of the rio Vermelho, upper Tocantins basin in Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.4 cm SL male/unsexed; (Ref. 54498)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 8; Anal soft rays: 5; Vertebrae: 28. Distinguished from all congeners except Ancistrus tombador and A. reisi by the absence of an adipose fin. Adipose fin is replaced by a series of 2 to 4 median unpaired platelets forming a low crest. These platelets are nearly immediately followed by the plate-like procurrent caudal rays, while in A. tomabador these are followed by at least two lateral plates that join dorsally before the procurrent caudal rays. It further differs from A. tombador by the following characters: snout with naked margin generally ill-delimited by posterior dermal plates which are irregular in size and shape and rarely joined together; tentacles present, some branched in larger males; body wider (cleithral width 33.6-35.6% SL, mean 34.9) and caudal peduncle depth 10.1-10.7% SL, mean 10.4. Differs from A. reisi by the following morphometric characters: predorsal length (47.5-49.3% SL, mean 48.1, vs. 43.8-46.4% SL, mean 44.9), occipital depth (17.0-19.5% SL, mean 18.1, versus 14.9-17.0% SL, mean 16) and caudal peduncle length (24.6-27.1% SL, mean 26.3, vs. 27.7-30.9%SL, mean 28.7) (Ref. 54498).

Biology     Glossary (e.g. epibenthic)

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

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

Fisch-Muller, S., A.R. Cardoso, J.F.P. da Silva and V.A. Bertaco, 2005. Three new species of Ancistrus Kner (Teleostei: Siluriformes: Loricariidae) from the upper Tapajós and Tocantins rivers. Rev. Suisse de Zoologie 112(2):559-572. (Ref. 54498)

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=0.00776 (0.00370 - 0.01627), b=3.07 (2.89 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .