シャチホコガMeanings1nounlobster mothusually written using kana aloneA moth species (Stauropus fagi persimilis) whose caterpillar resembles a lobster or a shachihoko ornament. The name is usually written in katakana.シャチホコガの幼よう虫ちゅうは、まるで小ちいさなエビのような姿すがたをしている。The larva of the lobster moth looks just like a tiny shrimp.