Gasterosteus aculeatus (Banstickle) is a species of ray-finned fishes in the family sticklebacks. They are listed as endangered by COSEWIC. They are associated with freshwater habitat. They are native to Atlantic Ocean, The Nearctic, Pacific Ocean, and the Palearctic. They are carnivores. Individuals can grow to 11.0 cm. They have sexual reproduction. They have parental care (paternal care). They rely on swimming to move around.
EOL has data for 43 attributes, including: