So far, this is what I found out:

1. Tuna - 7000
2. Red Snapper - 3000
3. Sea Butterfly - 1000
4. Bitterling - 900
5. Olive flounder - 800
6. Octopus - 500
7. Squid - 400
8. Carp - 300
9. Black Bass - 300
10. Pond Smelt - 300
11. Dab - 300
12. Sea bass - 200
13. Dace - 200
14. Barbel Steed - 200
15. Horse Mackerel - 150
16. Crucian Carp - 120
17. Bluegill - 120

Fish I have caught, but have to determine definite prices are:

1. Yellow Perch
2. Goldfish
3. Koi