Marine science

1234567891011121314151617181920
Across
  1. 3. class of lampreys
  2. 4. subphylum of fish
  3. 7. the interior skeleton
  4. 10. lampreys live in which type of water
  5. 12. the side
  6. 14. scales are diamond-shaped, shiny, and
  7. 16. allows camouflage
  8. 17. phylum of fish
  9. 18. colors and markings of a fish to blend in
  10. 19. invasive fish species that threaten Flordias saltwater fish
  11. 20. scales are circular and smooth
Down
  1. 1. receptor organs
  2. 2. pelvic fins
  3. 5. the exterior skeleton
  4. 6. the front belly
  5. 8. the back
  6. 9. scales have a characteristic toothed edge
  7. 11. the head end
  8. 13. another word for gill cover
  9. 15. the tail end