Nature Example
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Stickleback
Credit: Wikimedia Commons. Click here for the license
A small, hardy fish found in ponds, lakes, and slow-moving rivers across the UK.
How to identify:
Look for a small, slender, greyish-green fish with two to four sharp spines visible on its back.
💡 Fun Facts
- The male stickleback builds a nest out of weeds which he glues together with a special substance from his kidneys.
- It gets its name from the sharp spines along its back which it can raise to protect itself from predators.
- The number of spines can vary; most sticklebacks in the UK have three.