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Teleostei (teleosts) > Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Geophaginae
Etymology: Gymnogeophagus: Greek, gymnos = naked + Greek, gea = the earth + Greek, phaegein, to eat (Ref. 45335); pseudolabiatus: Name from Greek 'pseudos' meaning false, and 'labiatus', referring to a congener species that also presents well developed lips; noun in apposition..

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

Freshwater; benthopelagic. Tropical

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

South America: Brazil and Uruguay.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 9.6 cm SL male/unsexed; (Ref. 118066)

Short description Morphology | Morphometrics

Dorsal spines (total): 12 - 15; Dorsal soft rays (total): 9-11; Anal spines: 3; Anal soft rays: 7 - 9. This species is distinguished from its congeners, except G. labiatus, by having a thick, extremely well developed lips, with the lower lip deeply notched medially; differs from labiatus by the presence of a dark band extending posteroventrally from the dorsal-fin origin (vs. absent), and by the dorsal, anal and caudal-fin color patterns, where fins are partially or completely covered with well-defined circular dots (vs. small longitudinal stripes) (Ref. 118066).

This species is found exclusively in stone bottom habitats, covered with all sizes of stones and rocks along the rio Quaraí and its tributaries (Ref. 118066).

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

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

Malabarba, L.R., M.C. Malabarba and R.E. Reis, 2015. Descriptions of five new species of the Neotropical cichlid genus Gymnogeophagus Miranda Ribeiro, 1918 (Teleostei: Cichliformes) from the rio Uruguay drainage. Neotrop. Ichthyol. 13(4):637-662. (Ref. 118066)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 14 April 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01862 (0.00849 - 0.04084), b=3.01 (2.83 - 3.19), 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. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Gymnogeophagus pseudolabiatus Malabarba, Malabarba & Reis, 2015