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Gymnogeophagus tiraparae  González-Bergonzoni, Loureiro & Oviedo, 2009

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Geophaginae
Etymology: Gymnogeophagus: Greek, gymnos = naked + Greek, gea = the earth + Greek, phaegein, to eat (Ref. 45335);  tiraparae: Named for María Luisa Tirapare, founded the now disappeared town of San Borja del Yí (close to the first locality where this new species was found), the last native town in Uruguayan land, where African slaves, gauchos and other outsiders lived together.

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

Freshwater; benthopelagic.   Tropical

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

South America: middle rio Negro basin, including main tributaries (lower rio Uruguay basin) and in rio Tacuarí (laguna Mirim basin).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 80696)

Short description Morphology | Morphometrics

Dorsal spines (total): 13 - 16; Dorsal soft rays (total): 7-12; Anal spines: 3; Anal soft rays: 6 - 9. Diagnosed from all congeners by having the following unique characters: adipose hump on head deeper than the dorsal-fin upper border, adipose hump with anterior profile vertical, extending from the upper lip to the dorsal-fin origin; absence of transversal bands on body; two horizontal series of moderately elongated light blue dots between dorsal-fin spines; a series of light blue stripes between soft rays, sometimes merged with the second series of elongated dots, and always with a red ground color between series of dots; and caudal fin with dots vertically aligned on its distal border. Other characters useful to differentiate it from other species include: E1 scale count 27-30, 96% with 28-30 (vs. 26-29, 74% with 26-27 in Gymnogeophagus gymnogenys); absence of a black line anterior to eye (vs. present in Gymnogeophagus gymnogenys and Gymnogeophagus caguazuensis); body depth 33.6-41.4% SL (vs. 23-29% SL and 41.2-43.3% SL in Gymnogeophagus gymnogenys and Gymnogeophagus australis, respectively). Differs further from Gymnogeophagus australis by the following characters: presence of six to eight parallel light green bands on body (vs. absence); snout to dorsal-fin origin length 30.5-38.4% SL (vs. 23.6-30.7% SL); and head depth 81-104% HL (vs. 109.7-116.2% HL) (Ref. 80696).

Biology     Glossary (e.g. epibenthic)

Found in large rivers with clear water, sandy or rocky bottoms and with little vegetation (Ref. 80696). Females were encountered holding juveniles in their mouths during the end of spring and summer (Ref. 80696).

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

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

González-Bergonzoni, I., M. Loureiro and S. Oviedo, 2009. A new species of Gymnogeophagus from the río Negro and río Tacuarí basins, Uruguay (Teleostei: Perciformes). Neotrop. Ichthyol. 7(1):19-24. (Ref. 80696)

IUCN Red List Status (Ref. 115185)

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 | National databases | 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 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00730 - 0.03605), b=3.05 (2.86 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153):  Low vulnerability (14 of 100) .