11. During the breeding season, male three-spined sticklebacks defend nesting territories. 12. Sea horses are fish, related to sticklebacks . 13. Also like sticklebacks , it produces a sticky secretion from its kidneys when breeding. 14. They also tend to encounter salmon and the Three-spined stickleback as well. 15. She studied the stickleback , a fish whose male builds a nest for his mate. 16. Recent work has investigated the role of enhancers in morphological changes in threespine stickleback fish. 17. Stickleback behavior is often cited as an archetypal example of cooperative behavior during predator inspection.18. Usually, the larger of the two sticklebacks has a higher risk of being attacked. 19. Pacific lamprey, three-spined stickleback , and various sculpins have also been observed. 20. Also, like sticklebacks , it produces a sticky secretion from its kidneys when breeding.
