Here is the full list of all 37 Intergalactic Fishing achievements.
Sell 500 credits worth of Exploration Data
Design a new lure
Visit 10 different lakes
Set a lake record in any ULT Network Lake
Catch 10 Fish
Catch a fish weighing 5 lb or greater
Pass the ULT License Test
Catch 100 Fish
Catch 1,000 Fish
Catch a fish and release it
Eat a random pineapple that you found in a lake
Catch a fish weighing 12 lb or greater
Catch a fish weighing 20 lb or greater
Visit 50 different lakes
Visit 250 different lakes
Complete 5 Fish Contracts
Complete 25 Fish Contracts
Complete 100 Fish Contracts
Dissect 100 fish
Name a lake that you discovered
Win a Tournament
Catch Old Sam
Own 3 BOATs
Save Ankobo Lake
Discover an anomaly in an Unknown Lake
Catch a total of 2,000 lb of fish
Sell 2,500 credits worth of Exploration Data
Sell 10,000 credits worth of Exploration Data
Release 100 fish
Break in a rod
Sell 1,000 credits worth of fish
Complete a side quest
Solve the mysterious man's treasure hunt
Make a bet with Gambling Gary
Name a fish species that you discovered
Join the Majonn Lake Anglers Club
Help Bret "save" Fish Lake