Across
- 3. Organs in the lateral line system that contain sensory hair cells, can be found on the skin, within dermal bones of the head, and embedded in channels along a fish's body
- 4. Protein that supplies extra oxygen to active fish such as tuna
- 8. Cartilaginous fish
- 9. Contain highly reflective guanine crystals that reflect colors from the outside environment, are responsible for the silvery appearance of many fishes
- 10. An asexual reproduction strategy in which an egg is developed without fertilization
- 11. A translucent third eyelid that can be drawn across the eye for protection and moisture retention
- 13. Special sensing organs that form a network of jelly-filled pores to pick up electrical fields
- 15. Colors and patterns that break up the outline of a fish and make it harder to see
- 18. Juvenile oysters are known as
- 19. The highest point on each valve of a bivalve shell
- 20. An oyster larvae with a shell and tiny cilia that allow it to swim and consume plankton
Down
- 1. Jawless fish
- 2. Born in freshwater, migrate to saltwater, then return to freshwater to reproduce
- 5. Bony fish
- 6. An oyster larvae that has developed a foot and settled onto the shells of other oysters
- 7. Pups look like small adults and are ready to feed on solid food immediately after birth
- 12. Colors and patterns that match a background or surroundings, either by changing color or through natural camouflage
- 14. Located in the dermis of a fish's skin, above or below its scales, and impart true color to a fish. Only one color is found in each.
- 16. Born in saltwater, migrate to freshwater, then return to saltwater to reproduce
- 17. A structure that covers the gills of bony fish