MikeDelta on Nostr: "A male Sapphirina. The species is outfitted with iridescent plates on its back, ...

"A male Sapphirina. The species is outfitted with iridescent plates on its back, which reflect sunlight and send out shimmering signals through water." Photo by Angel Fitor

From https://www.smithsonianmag.com/science-nature/these-gorgeous-photos-capture-life-inside-drop-seawater-180981297/