three-spined stickleback
English
Alternative forms
Noun
three-spined stickleback (plural three-spined sticklebacks)
- Gasterosteus aculeatus, a small fish of coastal and inland waters of the Northern Hemisphere, that can make its spines erect when threatened, which makes it hard to swallow.
References
- three-spined stickleback on Wikipedia.Wikipedia
- Gasterosteus aculeatus on Wikispecies.Wikispecies
- Gasterosteus aculeatus on Wikimedia Commons.Wikimedia Commons