I have a 45 gallon tank with 3 kribs (2 males, 1 female), 2 danios, 5 rummynose tetras, 5 cardinal tetras, 1 dwarf gourami, 5 kuhli loaches, and 1 SAE. The tank is heavily planted and all of the fish have been happily living together for between 3-9 months.
Tonight I noticed my kribs had...