fishes
Across
- 4. when a fish had different shading around their body to blend into the sea foam or ocean floor
- 6. when the offspring develop inside their parent
- 8. when a fish lays eggs outside its body
- 9. a mollusk that has 2 hinged parts
- 10. the final stage of development for an oyster
- 11. a less organized school
- 13. an organ that can increase a fish's buoyancy
- 15. cartilaginous fishes
- 16. there are eggs inside the body that hatch but do not provide nutrition
- 17. protective covering over a boney fish's gills
- 18. a more organized group of fish that stay together
- 19. the act of cleaning and opening a shellfish
- 20. larval stage of an oyster
Down
- 1. a red protein in a fish's body that gives oxygen to the muscles
- 2. when a fish changes color to disorient a predator
- 3. a stage when a veliger can move with its foot
- 5. Electric sensory gel in a sharks nose
- 7. offspring of a shellfish
- 12. fish that swim up fiver to spawn
- 14. the line along the back of a fish that senses water displacement