Description
Farlowella acus is the type species of a genus of armored catfish commonly known as the twig catfish or whiptail catfish. The species name means “pointed” or a “needle” or “spine”. F. acus reach 16.0 centimetres (6.3 in) SL. Coloration ranges from olive-green to yellow-brown with yellowish undersides. A very distinct irregular dark band, often beset with blotches, extends from the head to the root of the tail. The fins are transparent and the rays have dark spots. Each caudal lobe is normally wi
