ONE FISH, TWO FISH, RED FISH, BLUE FISH

Across
1. what a shark's skeleton is made of - cartilage
3. bloodsucking fish with no jaw - lamprey
5. can be used to determine fish's age - scales
9. means to live in the water - aquatic
11. a baby fish - fry
13. type of lobe finned fish, thought to be extinct - coelacanth
15. a well-known shark movie - jaws
19. Unlike fish, frogs have ___ loop circulation - double
20. the tail fin of a fish - caudal
21. a famous clownfish (pixar movie) - nemo
23. fin on the top of a fish - dorsal
24. detects vibrations: ____ line - lateral

Down
2. organs that fish use for respiration - gills
4. body of water where most of the world's fish live - ocean
6. sharks cannot swim in this direction - backwards
7. the kingdom all fish belong to - animalia
8. covers the gills - operculum
10. fins on the side of the fish, near shoulder area - pectoral
12. related to a lamprey - hagfish
14. the number of chambers in the fish's heart - two
16. these fish swim miles upstream to spawn - salmon
17. a fish related to a shark - ray
18. fin located near the fish's anus - anal
22. helps maintain bouyancy: swim ____ - bladder
25. cold-blooded - ectothermic