More animals of Earth II

Recently I realised my creatures had some features that relates too much to Wayne Barlowe's. So many of them will have a make over (even the Aquatongue).
Poseïdons (named after the god of the sea) are titanic walkabouts that live in the deep waters near the coast, filter feeding on plankton. Their offspring have flippers to escape predators.
The Helios (named after the titan-god of the sun) are cave dwelling predators that absorb sunlight and use it to burn other cave animals for food (the life in the caves with a lack of sunlight make the animals highly sensitive to ultra violet light. Extended exposure to the sun will result the animal's death.