Invertebrates > Gastropods
The Crowned Sea Elephant (Pterotrachea coronata) is the undisputed titan of pelagic sea snails and one of the most astonishing evolutionary transformations in the phylum Mollusca. Reaching lengths of up to a foot (30 centimeters), this transparent, free-swimming...
Invertebrates > Corallimorphs
The Strawberry Anemone (Corynactis californica), also known as the club-tipped anemone, is one of the most dazzling and colorful marine invertebrates blanketing the rocky underwater walls of the Pacific coast. Though named an anemone, it is biologically a false coral...
Invertebrates > Hydrozoans
The Firework Jellyfish (Halitrephes maasi) is widely celebrated as one of the most mesmerizing spectacles of the deep ocean. Rocketed to viral internet fame in 2018 when the ocean exploration vessel E/V Nautilus filmed a magnificent specimen hovering at a depth of...
Invertebrates > Sea Slugs
The Head-shedding Sea Slug (Elysia marginata) is the protagonist of one of the most mind-bending biological discoveries in modern zoology. Documented by Japanese researchers in 2021, this vibrant sacoglossan sea slug possesses an extreme, unprecedented form of...
