Here is the full list of all 36 MONSTER OF THE DEEP: FINAL FANTASY XV trophies - there are 21 bronze, 10 silver, 4 gold and 1 platinum.
Collected all trophies.
Caught all fish at the Caem Shore.
Caught one of every fish.
Reached Hunter Rank 10.
Collected all tackle.
Collected all rods.
Caught all fish at Rachsia Bridge.
Caught all fish at Crestholm Reservoir.
Caught all fish at the Vesperpool.
Caught all fish at the Forgotten Pool.
Caught all fish at Neeglyss Pond.
Caught 255 fish.
Hooked an unidentified species.
Collected all reels.
Caught the bythos.
Reached Hunter Rank 5.
Caught 100 fish.
Collected all lures.
Caught the krypse.
Caught the isonade.
Caught the vrorogo.
Caught 50 fish.
Caught the deinosaulma.
Lost your first whopper.
Spent 10,000 gil on tackle.
Participated in your first tournament.
Caught the lattomaratos.
Hooked some garbage.
Completed your first hunt.
Decorated your cabin for the first time.
Caught a whopper.
Bought your first tackle.
Caught the ypodochth.
Completed the prologue.
Performed your first excellent cast.
Caught your first fish.