Fifteen-spined stickleback
Spinachia spinachia · Small fish and rockpool species
Also called stickleback

A very slender, scaleless fish of weedy shores and shallow inshore water, found on all coasts of Britain and Ireland but uncommon in the south east.[1]
How to recognise it
When and where
- Found over
- weed, shallow inshore water[1]
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.