Holothurian

Need to see vertical view, but likely to be Pelopatides. Very difficult taxonomy with lots of species to choose from in the Indian Ocean. Pelopatides dissidens (1269m Indian margin), P. gelatinosa (4787m Andaman), P. insignis (1220m, Bay of Bengal), P. mammillatus (2710m Arabian Sea – there is a picture of this species in Billett et al. 2006 jelly detritus paper), P. modestus (896m, Indian margin), P. mollis (477m Bay of Bengal), P. ovalis (815-930m Bay of Bengal), P. quadridens (660-3035, Indonesia, Sumatra) and P. verrucosus (896-1251m, Indian margin)