Longtail knifefish

Longtail knifefishes range in size from 23.6 to 31.5 in (60 to 80 cm), and are among the largest knifefishes. More

longtail knifefish (Sternopygus macrurus) and found that they was able to lower the strength of their emitted electrical fields by ~40%! This lowering of “power consumption” (to misuse the term) was triggered to changes in the day (these electric fish are more active at night, so More

Common names

Anguila in Spanish (español)
Asapalipi in Carib
Asapalipi in Galibi
Bio del rio in Spanish (español)
Bloblo in Creole, French
Bloblo in Creoles and Pidgins, French
Booboo in Creoles and Pidgins, English
Booboo in Djuka
Itui in Portuguese (Português)
Kwaliminen in South American Indian (Other)
Kwaliminen in Wayana
Logo logo in Creole, English
Logo logo in Creoles and Pidgins, English
Logo logo in English
Longtail knifefish in English
Molokichi in Oyampi
Molokichi in South American Indian (Other)
Molokisi in Oyampi
Molokisi in South American Indian (Other)
Poisson-couteau in French (français)
Poson-sab in Creole, French
Poson-sab in Creoles and Pidgins, French
Pounoup in Palicur
Saprapi in Creoles and Pidgins, English
Saprapi in Saramaccan
Siimaveitsikala in Finnish (suomen kieli)
Tuvira in Portuguese (Português)
線鰭電鰻 in Mandarin Chinese
线鳍电鳗 in Mandarin Chinese
鈍吻線鰭電鰻 in Mandarin Chinese
钝吻线鳍电鳗 in Mandarin Chinese

Order : Gymnotiformes
Family : Sternopygidae
Genus : Sternopygus
Species : Sternopygus obtusirostris
Authority : Bloch & Schneider, 1801