Dragonet
Callionymus lyra · Small fish and rockpool species

A small, flattened bottom fish that lies part buried in sand or shell gravel. It is found on all coasts of Britain and Ireland, and anglers mostly meet it as a small catch.[1]
How to recognise it
- Flattened, scaleless body with a broad, triangular head and eyes on top.[1]
- Two dorsal fins. Mature males have a tall, sail-like first fin and bright blue marks; females are dull brown with blotches.[1]
- Sharp spines on the gill cover, and the lower jaw juts out. Small ones can be mistaken for gobies.[1]
When and where
- Found over
- sand, mud[2]
Sources
These notes are a draft: we gathered them from the sources above and are still checking them. We don't work out best times for this fish yet. The size rules come from the same checked byelaws as every other fish.