Across
- 2. for insulation in cold water
- 3. body shape for efficient movement
- 7. sensory system in some fish
- 11. bladder for buoyancy control
- 12. teeth for catching prey
- 15. aids in floating
- 16. beaks for catching fish
- 18. for swimming
- 19. for underwater breathing
Down
- 1. bodies to navigate tight spaces
- 4. anchor aquatic plants
- 5. feet for propulsion
- 6. outer skin for protection bioluminescence for attracting prey
- 8. to hide from predators
- 9. for grasping prey
- 10. sacs in aquatic plants for buoyancy
- 13. process in aquatic plants
- 14. camouflage technique
- 17. line system for sensing vibrations