(Optional) Identify fish suitable for home aquaria.

Identification should include

• common terms used for fish, including male and female internal and external anatomy
• the major types of fish suitable for home aquaria
• the characteristics of each type. 

Process/Skill Questions:

• What is a fish’s scientific classification (e.g., kingdom, phylum, class, order, family, genus, and species)?
• What are the four classes of fish? How do they differ?
• What are the dangers of adding too many fish at once into a new aquarium?
• Why is it important to know the feeding habits and other behaviors of different fish species before putting them together into the same aquarium?
• Why is it important to select the species of fish prior to setting up and equipping the aquarium?