 Sepioteuthis lessoniana , commonly known as the bigfin reef squid or oval squid , is a commercially important species of loliginid squid . It is one of the three currently recognized species belonging to the genus Sepioteuthis . Studies in 1993 , however , have indicated that bigfin reef squids may comprise a cryptic species complex . The species is likely to include several very similar and closely related species . 
