Module 1 Introduction to Freshwater Fish Keeping
Unit 1 What to Expect From This Course  
Unit 2 A Brief History of Fish Keeping  
Unit 3 Fish Anatomy Basics  
Unit 4 Main Components of a Freshwater Fish Tank  
Module 2 Choosing and Placing a Tank
Unit 1 Tank Size and Location  
Unit 2 Choosing a Substrate  
Unit 3 Décor  
Unit 4 Live Plants  
Module 3 Life Systems: Heating, Lighting, Water Quality, and Filtration
Unit 1 Water Temperature  
Unit 2 Lighting  
Unit 3 Water Chemistry Fundamentals  
Unit 4 Maintaining Proper Water Quality  
Unit 5 Starting a New Fish Tank  
Unit 6 Filtration  
Module 4 Tank Maintenance: Cleaning, Feeding, Enrichment, and Illness
Unit 1 Cleaning Your Aquarium  
Unit 2 Feeding Your Fish  
Unit 3 Fish Behavior and Enrichment  
Unit 4 Fish Illness