Fish Marine Biology

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Across
  1. 3. A class of fish with skeletons of cartilage
  2. 6. Fins of fast swimming fish
  3. 9. A shark's tail fin
  4. 10. Toothlike scales covering shark's bodies
  5. 11. An organ in fish that allow them to maintain their position in the water column
  6. 15. Jawless fish
  7. 16. Most numerous class of fish
  8. 17. Largest animals in the sea besides the whale
  9. 18. A body coloration where the fish's dorsal side is dark and their ventral side is light
Down
  1. 1. Remaining afloat
  2. 2. A body shape that is streamlined and produces little resistance to movement through water gillslits Gills that sharks have in order to breathe
  3. 4. Sensory cells that a shark uses to assist in locating prey
  4. 5. A body coloration of a banded pattern
  5. 7. An organ in sharks that picks up vibrations in the water
  6. 8. Overlapping plates that cover and protect fish's bodies
  7. 11. A period of time where fish produce a large number of eggs
  8. 12. The most feared shark
  9. 13. A fish with a forked tail
  10. 14. A type of skeleton