What to do if a molly fish is lonely?

Can you put sticks in a hermit crabs cage? In which country did the Vietcong do most of their fighting? What layer of the ocean do coral reefs live? What is the main limiting factor in marine ecosystems? How many types of voltage? What is a Shark spiritual meaning? Organisms in intertidal zones often? Does tetra pak use BPA in their products? Do you take eggs out of the tank? How does overfishing of species like tuna cod and sardines can affect the kelp population of the bay ecosystem? What eats Asian Carp? Does consumption of milk and fish at a time causes any health hazard? How many people in history have been killed by sharks? Does a scissortail rasbora really need at least a 20 gallon tank cause I only have a 5 gallon tank? Can a female fighting fish kill a male fighting fish the male is just swimming away from her and she kepts attacking him? How do coral reefs protect animals? Is a Albacore fish bigger than a Bluefin- fish? When does inland salmon season start in California? Why is there a difference in male and female energy needs? What is the long tail for the seahorse do?