Volume 3

Zoo vs. Aquarium, The Conclusion (動物園 ＶＳ 水族館, 決着, Doubutsuen baasasu Suizokukan, Kecchaku) is the third volume of the Oumagadoki Zoo manga.

Chapter

 * Chapter 17: Lion vs. Orca (ライオン　ＶＳ　シャチ Raion baasasu Shachi)
 * Chapter 18: Get Igarashi...! (イガラシを...! Igarashi wo...!)
 * Chapter 19: Awkwardness vs. Power (不器用 ＶＳ　力 Bukiyou baasasu Chikara)
 * Chapter 20: Zoo Director vs. Aquarium Director (園長　ＶＳ　館長 Enchou baasasu Kanchou)
 * Chapter 21: The Curse of the Whale (鯨の呪い Kujira no Noroi)
 * Chapter 22: Buddies (仲間 Nakama)
 * Chapter 23: Zoo vs. Aquarium, The Conclusion (動物園 ＶＳ 水族館, 決着 Doubutsuen baasasu Suizokukan, Kecchaku)
 * Chapter 24: Who is the Strongest in the Park!? (園の最強は誰!? En no saikyou wa Dare!?)
 * Chapter 25: Visitors Have Came! (お客さん来た! O-kyaku san Kita!)

Synopsis
The battle continues against the Ushimitsudoki Aquarium to rescue Igarashi. The Oumagadoki Animals are coming more in the secret of Isana's curse. The final battle at the aquarium begins when Shiina barge in Isana's office.