Boring Scallop (Pedum spondyloideum) ウミギクモドキ
Boring Scallop are small and usually found in Porites coral. This coral doesn’t look like Porites to me. The Japanese name translates to fake spiny oyster. Amami 2023
Boring Scallop in Porites coral. They are fairly common, but they like to close when you get close. Amami 2026