The extremely rare new species of the Ophioglossolambis digitata complex, Ophioglossolambis itsumiae Lum, 2021. Endemic to the Mascarene Basin and nearby islands, dead collected on coral reefs at 15-20m deep by local fishermen, 1987. Ex collection Peter Ignoti
左下
Looks like a leech. Object it's on is like a huge bound rootball from a removed potted plant.