ramshackle:
+ prefect — shrimpy-chan (小エビちゃん)
+ grim — seal-chan (アザラシちゃん)

heartslabyul:
+ riddle rosehearts — goldfish-chan (金魚ちゃん)
+ ace trappola — crab-chan (カニちゃん)
+ deuce spade — mackerel-chan (サバちゃん)
+ trey clover — sea turtle-kun (ウミガメくん)
+ cater diamond — perch-kun (ハナダイくん)

savanaclaw:
+ leona kingscholar — sea lion-senpai (トド先輩)
+ ruggie bucchi — remora-chan (コバンザメちゃん)
+ jack howl — urchin-chan (ウニちゃん)

scarabia:
+ kalim al-asim — sea otter-chan (ラッコちゃん)
+ jamil viper — sea snake-kun (ウミヘビくん)

pomefiore:
+ vil schoenheit — betta-chan-senpai (ベタちゃん先輩)
+ rook hunt — seagull-kun (ウミネコくん)
+ epel felmier — guppy-chan (グッピーちゃん)

ignihyde:
+ idia shroud — firefly squid-senpai (ホタルイカ先輩)
+ ortho shroud — sea angel-chan (クリオネちゃん)

diasomnia:
+ malleus draconia — sea slug-senpai (ウミウシ先輩)
+ lilia vanrouge — flapjack octopus-chan (メンダコちゃん)
+ silver — jellyfish-chan (クラゲちゃん)
+ sebek zigvolt — crocodile-chan (ワニちゃん)

staff:
+ mozus trein — red squid-sensei (アカイカせんせぇ)
+ divus crewel — striped beakfish-sensei (イシダイせんせぇ)
+ ashton vargas — lobster-sensei (ロブスターせんせぇ)
+ sam — sea horse-kun (ウミウマくん)