For here's a look inside a juvenile sponge! 🧽

The choanocyte cells (and choanocyte chambers) are labelled with a red fluorescent dye, and nuclei are labelled in blue.

14 56

"Spongiaires de la mer Caraïbe" (1864) included 25 hand-colored lithographs based on drawings made from living specimens - which was important as sponges change color & shape when removed from water. View the in via https://t.co/0Mt5N6ELVU

19 38