1. Body Form and Locomotion
How Fish Move
Body Form and Locomotion

2. Introduction Welcome to the ECHO Center! A little about me
Introduction to fishes

3. Overview Welcome to the world of water
Why do fish look different from each other?
Why do fish swim differently from each other?
Different habitats
Different life strategies

4. Different Looks Places where they live Jobs they do
Photo Courtesy of Tim Nicholson

5. So how does a fish move? Different ways to move Tail and body Fins
Sandra Edwards
( )

6. Anatomy of a Fish Paired fins Median fins Pectoral Pelvic Dorsal
Caudal
Anal
Adipose

7. Examples of Different Ways to Move
Eels moves by making waves with its body
Live on the bottom
Slow swimmers
Duarte

8. Swimming like a Catfish
Versatile and flexible tail
Body is thicker near head
Tail fin is very variable among different kinds of fish.
Fins may aid in turning
Includes catfishes, trouts, cods, goldfish, basses, etc.

9. Swimming a little faster
Herrings, some tunas, mackerals, trevallys
Start to see fins closer to head, deeply forked tail fin, finlets on caudal peduncle.
Fins take over in maneuvering.

10. The Fast and Furious
To be fast and good at swimming a fish should be/have:
Warm-blooded
Lunate tail
Thick, stiff body near head
Strong muscles in tail

11. How does a box move through water?
Fish shaped oddly use:
Tail fin
Short caudle peduncle
Include porcupine fish, puffer fish, boxfish

12. How would this fish swim?

13. Fin Swimming Modes Use the dorsal, anal, and tail fin to move
Hold body straight while moving
Other fish: knifefish, bowfin, pipefish.

14. How about this fish?

15. Wing Flapping
Pectoral fins
Undulate front to back in rays

16. Non Swimmers

17. Crutches

18. Flying

19. Drifting

20. Summary Why fish have different bodies and ways to move How fish move
Basic anatomy of fish
Four different main modes of moving
Oddities

21. Questions?

22. THANK YOU!!!!