Invertebrates

FEATURES

Blog entry
Marine parasites may be small in size, but they can be present in very high numbers and put together can weigh even more than all the top predators in an estuary or bay ecosystem!...
During the summer of 1998, scientists at the Virginia Institute of Marine...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
The blanket octopus can rip a poisonous tentacle from a Portuguese man-o-war...
Slideshow MORE STORIES Slideshow MORE AUDIO / VIDEO
Hyperiid amphipods are small crustaceans related to sand fleas and distantly...

LATEST POSTS

A “pink meanie” jellyfish ( Drymonema larsoni )—a species found in the Gulf of Mexico and the Caribbean—feeds on a moon jelly ( Aurelia ). Dr. Keith Bayha from the Dauphin Island Sea Lab and Dr. Michael Dawson from the University...
This brilliant red octopus ( Benthoctopus sp. ) was photographed at more...
Staghorn (seen here) and elkhorn corals are listed as Threatened under the...

LEARN MORE

Giant squid live up to their name: the largest giant squid ever recorded by scientists was almost 43 feet (13 meters) long,...
Two California market squids ( Loligo opalescens ) mate in the waters off of California's Channel Islands. While spawning, the male's arms blush red as he embraces the female, a warning to other...
The feathery strands at the back of this nudibranch’s ( Chromodoris willani ) body are no mere adornment: they’re its gills! Nudibranchs, shell-less snails or sea slugs, are named for these tufted...
Much like the Macro 1st place photograph, this animal also resides inside anemones. The porcelain crab ( Neopetrolisthes maculatus ) is a very small crab, with a colorful shell. It lives in anemones...
The Encyclopedia of Life and Atlantic Public Media bring us a new installment of the podcast, One Species at a Time . Vacuumed up from its habitat a mile down in the ocean, the red paper lantern...
Massachusetts ceramics artist Joan Lederman glazes her work —including this bowl—with deep sea sediments. Some contain tiny single-celled organisms called foraminifera. Lederman has noticed that...
Winner of the ‘best camouflage’ contest, the nudibranch Scyllaea pelagica (Scyllaeidae) is usually betrayed only by its motion. Along it’s back, the sea slug has growths called papillae that help its...
Nine years ago I was invited by a colleague to join a research team investigating deep-sea coral habitats . I was asked to examine the invertebrates associated with these ecosystems. After my first...
A “pink meanie” jellyfish ( Drymonema larsoni )—a species found in the Gulf of Mexico and the Caribbean—feeds on a moon jelly ( Aurelia ). Dr. Keith Bayha from the Dauphin Island Sea Lab and Dr...
In 2010, scientists from NOAA and Woods Hole Oceanographic Institute found dead and damaged deep-sea corals in the Gulf of Mexico, potentially affected by the Deepwater Horizon oil spill . These...
You may not think of the ocean as a pharmacy but scientists are developing exciting new medicines from the sponges, corals, and other marine organisms found in the sea. Explore other videos that...
Light refracts off the comb-rows of the Mertensia ovum , a ctenophore , producing stripes of rainbow colors . The jelly eats copepods and small crustaceans that become stuck to its sticky tentacles...
A huge colony of brittlestars (likely Ophiacantha rosea ) covers the peak of a seamount in the deep ocean. What’s the attraction? Food! Their arms reach out for tiny food particles carried by the...
Giant anemone. More about mangrove ecosystems can be found in the Mangroves section .
Amidst the bright blue tufts and the dark blue fringes of the beautiful Risbecia tryoni , you might not even notice the red emperor shrimp. The two animals are native to the Indo-Pacific region, and...
The Pharaoh Cuttlefish ( Sepia pharaonis ) lives in warm waters (30°C) in the western Indian Ocean. Cuttlefish are the most commonly caught cuttlefish species in the Persian Gulf, either for aquarium...
The island of Moorea is a natural laboratory for scientists on a quest to catalog every life form big enough to pick up with tweezers. Head out into the field and watch as researchers use cutting-...
Swimming by a black sea nettle may be a bit of a shock. These large jellyfish can grow to be over three feet in diameter, and their tentacles can be over 25 feet long. Despite their large size, much...
Species of deep-sea gold coral, or Gerardia , often have a tree-like shape, as you can see in this specimen. See more pictures of coral in our Deep-sea Corals article.
Subscribe to Invertebrates