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Rhamdia guatemalensis (Günther, 1864) Pale catfish |
| Family: | Heptapteridae (Three-barbeled catfishes) | |||
| Max. size: | 25.1 cm SL (male/unsexed); max.weight: 302.5 g | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | America: trans-Andean region of Colombia to southern Mexico. | |||
| Diagnosis: | This species has the following characters: pigmented body; functional eyes; dorsal fin base 14.4-19.4% of SL; origin of adipose fin anterior to the anus; maxillary barbels extend beyond pelvic fin origin; adipose fin insertion closer to the dorsal fin than to the caudal fin; brown body with a distinct lateral longitudinal dark band (Ref. 108688). | |||
| Biology: | This species occupies main channel of rivers and streams, either with turbid waters and high sediment loads or with transparent waters and few nutrients. It prefers pools and slow-flowing waters of different depths and has plant material deposits and heavy substrates such as rocks and stones which serve as shelter for this fish during the day (Ref. 108688). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 29 November 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||