Hourglass of Life + Bear Trap → Harpie's Feather Duster

Rare Fish + Master & Expert → Marine Beast

Rare Fish + Nekogal #1 → Marine Beast

Rare Fish + Prevent Rat → Marine Beast

Rare Fish + Ground Attacker Bugroth → Metal Fish

Rare Fish + Mystical Sheep #2 → Marine Beast

Rare Fish + Holograh → Metal Fish

Rare Fish + Gatekeeper → Metal Fish

Rare Fish + Cyber Soldier of Darkworld → Metal Fish

Rare Fish + Megasonic Eye → Metal Fish

Rare Fish + Dark Rabbit → Marine Beast

Rare Fish + Steel Scorpion → Metal Fish