Rhamphichthys drepanium Triques, 1999
Bow knifefish

Family:  Rhamphichthyidae (Sand knifefishes)
Max. size:  45 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Amazon, and Orinoco basins.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0. Swim-bladder in adults reduced to a small narrow tube-like body generally thick-walled; oblique transversal dark bars interrupted dorsally, not crossing or reaching the sagittal line, the upper extremities of these bars being widened resembling the form of a small sickle. Anal fin rays 308-417; no caudal fin (Ref. 30543).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 23 November 2020 Ref. (130435)
Threat to humans:  harmless


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