Fresh Water Fish

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Fresh Water Fish by Mind Map: Fresh Water Fish

1. What is the food chain like in a freshwater lake?

1.1. I would say gar are closer to the top while shad are at the bottom

2. What happens when the oxygen levels get low?

2.1. I know the fishing is not as good but i wonder why

3. What role do humans/fisherman play in the ecosystem

3.1. Boaters put oxygen in the water on the hot summer days when oxygen levels are low

3.2. Fishermen have more of a negative effect besides population control

4. What is the most common cause of death for fish

5. How do dams effect fish near them?

5.1. How often do dams pull water?

6. What is the effect pollution has on the ecosystem

6.1. I know fish can eat used soft plastics and they will expand in their stomachs and may cause them to die

7. Bass, crappie, catfish, and bluegill are the most commonly targeted fish

7.1. normally bass are released and not eaten, catfish, crappie, and bluegill are eaten

8. Catch and release practice helps keep the population growing

8.1. most bass tournaments practice catch and release

9. Do people swimming have any effect at all on the fish?