Lesser Pipefish
Syngnathus rostellatus
- Least concern
- Card rarity: Common
- Fish

The lesser pipefish or Nilsson's pipefish is a pipefish similar to the greater pipefish, but with no crest above the head. Usually it reaches up to 17 centimetres (6.7 in) in length, maximally 18 centimetres (7.1 in), although in South Wales they are usually not more than 10 to 13 centimetres long. They have a light to dark green-brown color with bar-like markings on the sides.
Classification
- Class
- Actinopterygii
- Order
- Syngnathiformes
- Family
- Syngnathidae
- Genus
- Syngnathus