Farlowella paraguayensis is a species of armored catfish native to Brazil and Paraguay where it occurs in the Paraguay River basin.

This species grows to a length of 17.5 centimetres (6.9 in) SL.

This small catfish fish has a long snout and a narrow, long body that resembles a twig, hence the common name of twig catfish.

It needs clean well oxygenated water and a sand and gravel bed.

It requires warm water between 22 and 27 deg C.[2] This species of cat fish had been seen 4 times on camera since 2019-11-14 [3]