Started From the Bottom https://oceanbites.org/started-from-the-bottom/

Animal #evolution at the #ocean’s water-air interface https://www.cell.com/current-biology/fulltext/S0960-9822(23)01526-9

"#neuston did indeed evolve from ancestors that were substrate-attached but not necessarily to the #seafloor. This means that the neustonic organisms may be derived from #benthic organisms and other organisms that aren’t benthic but still attach to a substrates in the #pelagic zone."