Scientific name: Nerophis lumbriciformis
Size: Up to 15cm long
Colour: Black or dark brown
Habitat: Rocky shores, under rocks
- Just like their close relative, the seahorse, the male carries the eggs on his belly until they hatch.
- Due to their slim shape and dark colouring it is very easy to mistake them for pieces of seaweed.
- It is important to put them back exactly where you found them as they often mate with one partner for life.