ch. 1. Tissues of fishes -- ch. 2. Skeletal tissues -- ch. 3. Muscular tissue -- ch. 4. Cardiovascular system and blood -- ch. 5. Immune system and hematopoiesis -- ch. 6. Integument -- ch. 7. Digestive system -- ch. 8. Glands associated with the gastrointestinal tract -- ch. 9. Swim and gas bladders -- ch. 10. Respiratory system -- ch. 11. Excretion and osmoregulation -- ch. 12. Nervous system -- ch. 13. Endocrine glands -- ch. 14. Reproductive system -- ch. 15. Sensory system and communication.