Name__________________
Classes of Fish Study Guide
List three examples of each class of fish
1. Chondrichthyes
.
a.
b. .
c. .
2. Osteicthyes
a. .
b. .
c. .
3. Agnatha (only 2)
a. .
b. .
Describe the chief or defining characteristic of each class of fish.
4. Chondrichthyes
5. Osteicthyes
6. Agnatha (only 2)
Questions
7. What are 4 differences between osteicthyes and chondrichthyes
8. Describe how shark regulate the water content in their body.
9. Explain the eating habits and food sources of the spiny dogfish shark.
10. Explain the location of the fin spins(be specific and use directional terms) and
also explain their function.
11. Describe the male reproductive sturctures and the process that they go through for
reproduction to occur.
Also study the external anatomy of the shark these following words.
Caudal Fin
Pelvic Fin
Anterior and Posterier Dorsal Fin
Eye
Spiricale
Mouth
External Naris
Pectoral Fin
Gill Slits
Lateral Line
Claspers
Study these Internal Structures
Liver
Rugae
Esphogeal Papillae
Spiral Valve
Rectal Gland
Speen
Duodenum
Stomach