First, you need to know that you have bothmale and femalefish of the same species in your tank. Then, create the right setting. Fish comfortable with their environment are more likely to spawn, though not all species reproduce easily in tanks. Fortunately, schooling fish popular in hobby tan...
After encountering an area of low oxygen content, fish often start to swim rapidly and to zig-zag all over the place. This is probably an adaptive response to escape the danger zone. However, if hypoxic conditions persist, most fish will greatly curtail ...