Here is the full list of all 13 Another Fisherman's Tale achievements.
You completed Another Fisherman's Tale.
Homecoming.
You completed the fifth chapter from Another Fisherman's Tale.
You fought the Kraken.
You completed the fourth chapter from Another Fisherman's Tale.
You switched bodies
You completed the third chapter from Another Fisherman's Tale.
You obtained a fish tail.
You blew the Téméraire's horn.
You completed the second chapter from Another Fisherman's Tale.
You obtained the Kraken egg.
You completed the first chapter from Another Fisherman's Tale.
You obtained a crab claw.