Atlantic cod gadus morhua has seen at the episode Van Rook's apprentice being fided to Zon, Uluraj in episode underground wife destract the rhinoceros dolphin with it. In episode The King of Kumari Kandam in Uluraj flash back you can see: Bennett butterfly fish , Melas Angelfish , singapore angelfish swiming along with mako shark and lesser manta mobula hypostuma .In the Secret Saturdays action pack # 26 in scene where Doc dives to study dolphin on remained you can see tilapia fish swiming in background, you also can see Fisk looking at queen angelfish.