hydroids

Once I got in close to the sponges and hydroids on the bottom, I saw sea horses and decorator crabs like bits of sponge with claws on.

Writing Tips: 7 Lessons from Scuba Diving - The Creative Penn | The Creative Penn 2009

The particles are surfaces for the attachment of diatoms and hydroids.

Our Plastic Ocean Turns Forty 2010

However, there are many other taxonomic groups, especially the nematodes and many marine taxa of worms, sponges, and hydroids, as well as single-celled organisms in which the “species” concept is more difficult to apply.

Managing biodiversity conservation in a changing environment of the Arctic 2009

There are over 500 species of fish, 65 scleraetinian corals, 45 hydroids and 350 molluscs in the area, plus a great diversity of sponges, marine worms and crustaceans.

Belize Barrier Reef Reserve System, Belize 2009

Clinging to the prop roots are oysters, sponges, sea squirts, hydroids, sea anemones, and crustaceans.

The Field Guide to Wildlife Habitats of the Eastern United States Janine M. Benyus 1989

Clinging to the prop roots are oysters, sponges, sea squirts, hydroids, sea anemones, and crustaceans.

The Field Guide to Wildlife Habitats of the Eastern United States Janine M. Benyus 1989

Clinging to the prop roots are oysters, sponges, sea squirts, hydroids, sea anemones, and crustaceans.

The Field Guide to Wildlife Habitats of the Eastern United States Janine M. Benyus 1989

Innumerable algae and curious fungi of the sea, hydroids, delicate-frost formed emerald plumuluria and campanuluna, bryozoa, mollusks, barnacles and varieties of coral had used it as a builder's quarry and granary.

Lippincott's Magazine of Popular Literature and Science Volume 12, No. 28, July, 1873 Various

And the pools, undisturbed by summer life, still yield some of the same treasures: delicate bright jellyfish, sea anemones feathering into the tide, pink bryozoa, and shadowy cold caves lined with exquisite hydroids.

Runner of the Mountain Tops: The Life of Louis Agassiz 1939

In water shallower than ten fathoms the variety of specimens was not great, including seaweeds up to eighteen or more feet in length, a couple of forms of starfish, various small mollusca, two or three varieties of fish, several sea-spiders, hydroids and lace corals, and, in great profusion, worms and small crustaceans.

The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920