Food: Fish need food just like any other animal. If the fish don’t have enough to eat or if there are too many fish and not enough food the can become malnutrition and could die. So it’s very important to have enough food to feed all the fish properly. Some example of what fish eat is insects and other little fish.
Water: Fish need good water or healthy water in order to survive. You guys have been running water test to make sure the water the trout are living is healthy. What are some of the test you guys have to be running? The quality of water has to bee healthy and unpolluted other wise the fish cannot survive.
Shelter: Fish need shelter in order to survive so they can hide and take cover from prey. Some examples of shelter are rocks and logs weeds in the water anything they can provide cover.
Space: Fish need space in order to swim around. If a body of water is too over populated then the fish may not be able to find food or water or shelter. So fish need a good amount of space in order to survive
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