Thecacera pacifica is a species of sea slug, a nudibranch, a marine gastropod mollusk in the family Polyceridae. It is sometimes also nicknamed Pikachu nudibranch due to its resemblance to the Pokémon character Pikachu. – Tiny Fox Lab Facts
Pikachu Nudibranch Sea Slug
Thecacera Pacifica - Does resemble Pikachu!
Jesse, posted on 09/21/2019, 1,284 views