• Location: Romblon Island

  • Depth: shallow / medium depth

  • Cover Photo: Lenny Kim

  • Scientific Name: Costasiella sp. 4 (NSSI)

Costasiella sp. has a white body and is densely covered in cerata. The white rhinophores have black tips. It is a beautiful Sacoglossa species, that can be found in the reefs of Romblon Province.