The most common cause of fish stress is poor water quality. Fish
can also stress due to sudden changes in pH or temperature,
breaks in their routine, and a host of other causes. To spot
stress, you need to observe your fish regularly. Your fish may
be sluggish or swim erratically, have less than vibrant color or
tattered fins, become thin, or lack an appetite. Other clues
might be more subtle. For example, fish may suspend near the
surface or hold their fins close against their body. Stress
causes physical or mental discomfort resulting in the release of
stress-related hormones. In simplest terms, when your fish get
upset, for any reason, their immune systems are put to the test.
Even though you may be feeding a high quality diet, it may not
have enough vitamins and minerals for times of high stress. This
is the time when supplements are needed most. Vitamins &
Minerals Vitamins and minerals promote a healthy metabolism, and
are especially important to young, growing, or spawning fish.
Deficiencies can result