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Gymnotus esmeraldas Albert & Crampton, 2003 |
| Family: | Gymnotidae (Naked-back knifefishes), subfamily: Gymnotinae | |||
| Max. size: | 30.9 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Río Esmeraldas and the Río Palenqué, Guayaquil basin. | |||
| Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; 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: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 07 October 2014 Ref. (130435) | |||
| Threat to humans: | harmless | |||