Five arms, no heart and a global family: what DNA revealed about the weird deep-sea world of brittle stars
- Written by Tim O'Hara, Senior Curator of Marine Invertebrates, Museums Victoria Research Institute
A brittle star of the species _Gorgonocephalus eucnemis_.Lagunatic Photo / Getty ImagesYou may have read that the deep sea is a very different environment from the land and shallow water. There is no light, it is very cold, and the pressure of all the water above is immense.
Plants can’t grow there, and the energy powering life mostly comes...
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