Science ❯ Biology ❯ Marine Biology

Invertebrates

Comb Jellies Sea Pig Equinoderms Squid Species Octopuses Sponges Octopus Jellyfish Deep-Sea Anemones Nudibranchs

Painful-Sting ‘Blue Dragons’ Wash Onto Texas Beaches During Spring Break

Researchers urge beachgoers to photograph sightings only because the inch-long sea slugs can still sting when stranded.

Wildlife Trusts Declare 2025 the Year of the Octopus After Record South Coast Bloom

Coastguard Issues Urgent Warning After Portuguese Man O’ War Wash Up on Aberavon Beach

Ubatuba Police Seize Nearly 60 Kg of Endangered Sea Cucumbers, Arrest Site Operator

Deep-Sea Worm Is First Animal Known to Make Orpiment, Turning Vent Poisons Into Protection

Six-Foot Lion’s Mane Jellyfish Washes Ashore at Nairn, Prompting Swimmer Caution

Greenland Fossils Show Cambrian ‘Squid’ Were Ancestors of Arrow Worms

Record Sargassum Levels Bring Thick Seaweed Mats to Texas Beaches

Millions of Blue Sail Jellyfish Blanket Mallorca Beaches

66-Million-Year-Old Fossilized Vomit Discovered in Denmark

Comb Jellies Exhibit Unique Ability to Merge Bodies After Injury

Scientists Discover Over 100 New Marine Species in Uncharted New Zealand Waters