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Gymnotus esmeraldas  Albert & Crampton, 2003

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

Actinopterygii (ray-finned fishes) > Gymnotiformes (Knifefishes) > Gymnotidae (Naked-back knifefishes)
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335);  esmeraldas: Named after the Río Esmeraldas (Ref. 49716).

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Tropical, preferred ?

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

South America: Río Esmeraldas and the Río Palenqué, Guayaquil basin.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 30.9 cm TL male/unsexed; (Ref. 49716)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal soft rays: 226 - 260. Absence of alternating dark and light pigment bands on the anterior 80% of the body. Specimens from the Río Esmeraldas basin with a unique speckled color patter composed of irregular pale yellow or cream-colored patches interspersed on a dark brown ground color over most body and anal fin surfaces, in which the pale pigment patches are abut 2-3 scales in width and height (Ref. 49716).

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator : Campos-da-Paz, Ricardo | Collaborators

Albert, J.S. and W.G.R. Crampton, 2003. Seven new species of the neotropical electric fish Gymnotus (Teleostei, Gymnotiformes) with a redescription of G. carapo (Linnaeus). Zootaxa 287:1-54. (Ref. 49716)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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