Subtidal sea cucumber deploying its tentacles, with details of the tube feet. Fishhoek, Western Cape (2020) - iNaturalist Previously known as Cucumaria insolens, Trachythyone insolens or Pseudocnella insolens. Colour diagnostic. Intertidal specimens may be dark above with a red 'chest', but subtidal ones are uniformly bright red. Tube feet scattered dorsally, but in three bands… Continue reading Red-chested sea cucumber (Hemiocnus insolens)