The Galápagos Islands off the coast of Ecuador are famous for animals found nowhere else on Earth, including giant tortoises and marine iguanas. Now, scientists have added another remarkable creature to that list: a tiny blue octopus newly identified in the deep waters surrounding the islands.

The newly described species was announced in the journal Zootaxa after researchers confirmed that the unusual octopus had never been documented before.

The animal was first spotted during a 2015 deep-sea expedition aboard the exploration vessel E/V Nautilus . The mission was carried out in partnership with the Charles Darwin Foundation (CDF) and the Galápagos National Park Directorate.…