They may also sometimes be referred to as whiptail catfish.

Farlowella acus (Whiptail catfish)

Farlowella acus is the type species of a genus of armored catfish commonly known as the twig catfish or whiptail catfish.

They are commonly called whiptail catfish because of the long filament that grows out of the tip of the caudal fin that is characteristic of the genus.

Which of the following do not show parental care: Bullhead Catfish, Tiger Barb, Whiptail Catfish and Brichard's Cichlid?

Whiptail Catfish (Dasyloricaria filamentosa) is a species of armored catfish endemic to Colombia where it is found in the Magdalena River basin and is suspected to also occur in the Catatumbo River.

Whiptail Catfish (Dasyloricaria filamentosa) is a species of armored catfish endemic to Colombia where it is found in the Magdalena River basin and is suspected to also occur in the Catatumbo River.