1. What is the ideal temperature range for most tropical fish?
2. Which of the following is a popular plant for aquariums?
3. What is the main purpose of a filter in an aquarium?
4. Which of these fish is known to be a bottom dweller?
5. What is the recommended water change frequency for a well-maintained aquarium?
6. What is the common name for Betta splendens?
7. Which of the following is not a type of snail typically found in home aquariums?
8. Which of the following is not typically tested for in home aquariums?
9. Which of the following fish would be suitable for a 10 gallon tank?
10. Select the fish below which is a live bearer.
11. What is the scientific name of the Neon Tetra?
12. Which pH range is considered best for a planted tank with most freshwater fish species?
13. Which type of biological filtration involves beneficial bacteria converting ammonia into nitrite, and then into nitrate?
14. Which of these fish is known for its ability to survive out of water for extended periods of time due to its labyrinth organ?
15. What is the best method to reduce nitrate levels in an established aquarium?
16. The pond loach, weather loach, or _____ loach is said to be useful for predicting the weather by observing its change in behavior depending on the barometric pressure.
17. _____, scientifically known as Lemnoideae are notorious in the aquarium hobby for how quickly they multiply when given sunlight and lots of surface area.
18. Made famous in the Pixar film Finding Nemo, the blue _____ is now a staple of salt water aquariums.
19. _____, the common slang term for when a Cherry Shrimp is carrying eggs.
20. The _____ isn't really a fish, it's actually a unique amphibian which never undergoes metamorphosis and remains aquatic its entire life.