The reaction of the fish would depend upon too many variables to give an answer. The variables include what the species of the lone fish is and what the species of the other fish are and the parameters of the water, the type of container the fish are in, their sizes etc etc etc..
Different species of fish have different numbers of chromosomes. Try asking for a specific species of fish and someone will help you.
There are almost 70 different species that are commonly called "Flying fish".
Different species use different methods.
There are over 30,000 species of fish.
It depends on what kind of fish you are talking about. There are many different specie of fish.
they become less active in the cold
Different species of tropical fish require different pH settings. Generally, a tropical fish will thrive in a pH of between 6.5 to 7.5.
More than 4400 species
Different species breed in different areas and at different depths.
Fish in Minnesota are no different from fish anywhere else, and temperature is temperature wherever you are. Different species of fish will die at different temperatures no matter where they are.
No. The "fighting fish" ie Betta, will only fight members of his own species. Oscars will eat Bettas.
No, they are a different species of fish.