There seem to be 3 species here.
The first I'd suggest Holothuria dakarensis (or poss.
H. tubulosa - Panning described dakarensis as a subspecies of
I received these cuke pictures
taken from Dakar, Sénégal by a French naturalist who is getting worried about
Chinese prospectors who want to harvest them. I'm not familiar with the fauna,
but maybe some of you are. Do you have any IDs?