And Then There Were No Mermaids ~ The Deduction

And There Were No Mermaids ~ The Murder (そして人魚はいなくなった(推理編), Soshite Ningyou wa Inakunatta (Suirihen)) is the 223rd overall episode of the Detective Conan animated series based from the manga of Gosho Aoyama. The episode aired in Japan on February 05, 2001.