Though they are often considered ‘beginner pets’, fish require care and effort to keep them safe and comfortable.

The test fish had been fed before entering the tank. We allowed the fish to acclimate to the central compartment for 1 h. We then observed the test fish for 10 min and recorded the amount of time ...

These fish are tricky for beginners because you must slowly acclimate them to their environment ... ll eat almost anything that falls to the tank’s bottom. This is great for a clean and healthy ...

“The difference is, our fish are perfectly happy.” “How do you know they’re happy?” I ask, noting that the mat of tilapia in the tank looks thick enough for St. Peter to walk on.