Sharks- Ashenfelter Marine Ecology 2020

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Across
  1. 1. these fins are modified into claspers in sharks
  2. 4. relative of shark, large pectoral fins that make them rhomboid in shape
  3. 5. sharks replace these when lost
  4. 6. the opening that female sharks have for waste and reproduction
  5. 8. laying eggs
  6. 10. sharks/rays/skates have five to seven gill ____
  7. 11. this oily internal organ in sharks helps provide lift
  8. 14. these fins provide life for sharks
  9. 17. on the tail of rays
  10. 18. an additional opening for breathing, particularly useful for rays and skates
Down
  1. 1. mermaid ___ is the name for the egg skates lay
  2. 2. the ______ line helps detect water movement and pressure along the length of the fish
  3. 3. the tail fin is called this
  4. 7. the class of skates, rays, and sharks
  5. 9. having live birth
  6. 11. ampullae of _____ detect electrical currents
  7. 12. a sense that works well in the ocean since sound travels so well
  8. 13. fin on the back of a fish
  9. 15. what sharks are mainly targeted for
  10. 16. sharks have a huge olfactory lobe so they are great at this sense