He has a habit of masturbating every night.

This bivalve's adductor muscle is very fresh and delicious.

Wearing the traditional shawl of the Tōhoku region, Kakumaki, protects you from the cold.

He is hiding a secret.

He is majoring in anthropology at university.

Cartilaginous fishes include fish such as sharks and rays.

He is majoring in ichthyology at university.

He is an excellent first baseperson.

Primates are a part of mammals that includes humans.

He is an expert in paleoanthropology, studying the lives of ancient humans.