In this study, we investigated symptoms of ophthalmic disorders in pinniped species using a questionnaire distributed to 32 zoos and aquariums throughout Japan. The results of this study indicate that ophthalmic disorders in pinnipeds are related to the conditions of their captive environment.(Misato Nakamura, Marin Matsushiro, Masatoshi Tsunokawa, Seiya Maehara, Takanori Koriyama)