1. Image from: http://www.chm.bris.ac.uk/motm/trimethylamine/fish.gif
Fish Dissection
Image from:

2. FISH ANIMALIA CHORDATA OSTEICHTHYES KINGDOM _____________
PHYLUM ____________________________
CLASS _______________________________
ANIMALIA
CHORDATA
OSTEICHTHYES

3. There are over 30,000 species of fish

4. Images from:

5. BONY FISH CHARACTERISTICS Endoskeleton made of bone Scales Fins Lungs
Swim bladder

6. DORSAL VIEW “TOP” VENTRAL VIEW “BOTTOM”
BILATERAL
SYMMETRY

7. EXTERNAL STRUCTURES OF A PERCH

8. SCALES
Scales decrease water resistance
offer protection

9. OPERCULUM
Water goes in through mouth out through a slit behind operculum

10. EYES
NOSTRILS
MOUTH

11. DORSAL
FINS
Pectoral
Caudal
Anal
Pelvic

12. LATERAL LINE Senses vibrations, depth and water pressure
Senses vibrations, depth and water pressure

13. exit for digestive waste
ANUS
exit for digestive waste

14. INTERNAL STRUCTURES

15. ENDOSKELETON

16. RESPIRATORY SYSTEM
GILLS

17. Excrete Nitrogen waste as ammonia.
FUNCTIONS OF GILLS
Gas exchange
Excrete Nitrogen waste as ammonia.

18. SEXUAL REPRODUCTION OVARY (female)-makes eggs
Image by Riedell/Vanderwal©2005
SEXUAL REPRODUCTION
OVARY (female)-makes eggs

19. TESTES (male)-make sperm
Image by Riedell/Vanderwal©2005
TESTES (male)-make sperm

20. SWIM BLADDER Controls depth of fish in the water.
Image by Riedell/Vanderwal©2005

21. LIVER
Aids in digestive process.
Image by Riedell/Vanderwal©2005

22. STOMACH
Image by Riedell/Vanderwal©2005

23. INTESTINE
Absorbs nutrients

24. HEART
Pumps blood throughout the body.

25. SPLEEN Produces new red blood cells.
Image by Riedell/Vanderwal©2005

26. KIDNEY
Collects and removes wastes.
Image by Riedell/Vanderwal©2005

27. BRAIN
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