• Results for
    • Hydroids
  • (339)
Siphonophore (Nanomia sp) close up of nectophores, and palpons. Gulf of  Maine, Atlanic Ocean. Epipelagic species found up to 300m depth.  -  David  Shale
01549464
David Shale / Siphonophore (Nanomia sp) close up of nectophores, and palpons. Gulf of Maine, Atlanic Ocean. Epipelagic species found up to 300m depth.
Nudibranchs (Doto greenamyeri) newly described species on feather hydroids. Seraya Bay, north coast of Bali, Indonesia. Java Sea.  -  Alex Mustard
01536855
Alex Mustard / Nudibranchs (Doto greenamyeri) newly described species on feather hydroids. Seraya Bay, north coast of Bali, Indonesia. Java Sea.
Red eye medusa (Polyorchis penicillatus) with hitchhiking amphipods (Hyperia medusarum). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.  -  Alex Mustard
01520014
Alex Mustard / Red eye medusa (Polyorchis penicillatus) with hitchhiking amphipods (Hyperia medusarum). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.
Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.  -  Franco  Banfi
01515349
Franco Banfi / Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.
Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.  -  Franco  Banfi
01515347
Franco Banfi / Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.
Portuguese man-of-war (Physalia physalis) colony, underwater Sargasso Sea, Bermuda  -  Solvin Zankl
01514454
Solvin Zankl / Portuguese man-of-war (Physalia physalis) colony, underwater Sargasso Sea, Bermuda
By-the-wind sailor (Velella velella) colony. Sargasso Sea, Bermuda.  -  Solvin Zankl
01514446
Solvin Zankl / By-the-wind sailor (Velella velella) colony. Sargasso Sea, Bermuda.
Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda  -  Solvin Zankl
01514444
Solvin Zankl / Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda
Featherstar (Crinoidea) on red coral (Errina novazelandiae) in Doubtful Sound, Fiordland National Park, New Zealand.  -  Richard Robinson
01497957
Richard Robinson / Featherstar (Crinoidea) on red coral (Errina novazelandiae) in Doubtful Sound, Fiordland National Park, New Zealand.
Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma), making up classic Red Sea scen...  -  Alex Mustard
01472387
Alex Mustard / Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma), making up classic Red Sea scen...
RF- School of Scalefin anthias (Pseudanthias squamipinnis) on reef in the current feeding on plankton, with soft corals (Dendronephthya spp.) and fire coral (Millepora dichotoma) Jackson Reef, Strait...  -  Alex Mustard
01472356
Alex Mustard / RF- School of Scalefin anthias (Pseudanthias squamipinnis) on reef in the current feeding on plankton, with soft corals (Dendronephthya spp.) and fire coral (Millepora dichotoma) Jackson Reef, Strait...
Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma) Ras Mohammed Marine Park, Sinai...  -  Alex Mustard
01472336
Alex Mustard / Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma) Ras Mohammed Marine Park, Sinai...
Vibrant Red Sea reef scene, with orange female Scalefin anthias (Pseudanthias squamipinnis) swarming in front of Fire coral (Millepora dichotoma) feeding on plankton brought to the reef by currents. R...  -  Alex  Mustard
01472301
Alex Mustard / Vibrant Red Sea reef scene, with orange female Scalefin anthias (Pseudanthias squamipinnis) swarming in front of Fire coral (Millepora dichotoma) feeding on plankton brought to the reef by currents. R...
Scalefin Anthias (Pseudanthias squamipinnis) swarm over coral reef, with Fire coral (Millepora dichotoma) in the Red Sea in the morning. Yolanda Reef, Ras Mohammed Marine Park, Sinai, Egypt. Gulf of A...  -  Alex Mustard
01472283
Alex Mustard / Scalefin Anthias (Pseudanthias squamipinnis) swarm over coral reef, with Fire coral (Millepora dichotoma) in the Red Sea in the morning. Yolanda Reef, Ras Mohammed Marine Park, Sinai, Egypt. Gulf of A...
Deep-Sea Jellyfish (Crossota)  -  Visuals  Unlimited
01439171
Visuals Unlimited / Deep-Sea Jellyfish (Crossota)
Red eye medusa (Polyorchis penicillatus) with its feeding tentacles extended to catch planktonic prey. Note that the bell of the jelly has hitchhiking amphipods (Hyperia medusarum). Browning Pass, Van...  -  Alex Mustard,Alex  Mustard
01435805
Alex Mustard,Alex Mustard / Red eye medusa (Polyorchis penicillatus) with its feeding tentacles extended to catch planktonic prey. Note that the bell of the jelly has hitchhiking amphipods (Hyperia medusarum). Browning Pass, Van...
Flower Hat Jelly / Jellyfish (Olindias formosa), a rare hydromedusa with fluorescent tentacle tips. Endemic to Brazil, Argentina, and southern Japan.  -  Doug Perrine
01364989
Doug Perrine / Flower Hat Jelly / Jellyfish (Olindias formosa), a rare hydromedusa with fluorescent tentacle tips. Endemic to Brazil, Argentina, and southern Japan.
Green Hydra (Hydra viridis) with tentacles extended. UK, November.  -  Stephen Dalton
01333075
Stephen Dalton / Green Hydra (Hydra viridis) with tentacles extended. UK, November.
Green Hydra (Hydra viridis) with tentacles extended. UK, November.  -  Stephen Dalton
01333073
Stephen Dalton / Green Hydra (Hydra viridis) with tentacles extended. UK, November.
Skeleton shrimp (Caprellidea sp) on a hydroid, Saltstraumen, Bod, Norway, October 2008  -  Wild Wonders of Europe / Lundgren
01281248
Wild Wonders of Europe / Lundgren / Skeleton shrimp (Caprellidea sp) on a hydroid, Saltstraumen, Bod, Norway, October 2008
Medusa caught with 1m ring net between 0 and 150m, Mid-Atlantic Ridge, North Atlantic Ocean  -  David Shale
01257094
David Shale / Medusa caught with 1m ring net between 0 and 150m, Mid-Atlantic Ridge, North Atlantic Ocean
Great spider crab (Hyas araneus) decorated with hydroids, Moere coastline, Norway, February 2009  -  Wild Wonders of Europe / Lundgren
01248623
Wild Wonders of Europe / Lundgren / Great spider crab (Hyas araneus) decorated with hydroids, Moere coastline, Norway, February 2009
Hydroids growing on hull of tugboat ''Blue Plunder'' wreck, Nassau, Bahamas. July 2008.  -  Michael Pitts
01245692
Michael Pitts / Hydroids growing on hull of tugboat ''Blue Plunder'' wreck, Nassau, Bahamas. July 2008.
Green Hydra (Hydra viridis) walking. Digital Composite showing five movement stages. UK  -  Kim Taylor
01188472
Kim Taylor / Green Hydra (Hydra viridis) walking. Digital Composite showing five movement stages. UK
(Octophialucium funerarium) hydromedusan jellyfish, deep sea Atlantic ocean  -  David Shale
01140250
David Shale / (Octophialucium funerarium) hydromedusan jellyfish, deep sea Atlantic ocean
(Chromatonema rubrum) a hydromedusan jellyfish, deep sea Atlantic ocean  -  David Shale
01140228
David Shale / (Chromatonema rubrum) a hydromedusan jellyfish, deep sea Atlantic ocean
Siphosome of Hydrozoan cnidarian {Stephanomia amphitridis} deep sea, Atlantic.  -  David Shale
01126833
David Shale / Siphosome of Hydrozoan cnidarian {Stephanomia amphitridis} deep sea, Atlantic.
Freshwater green hydra (Hydra viridissima) moving over a petri dish. Green colour comes from the symbiotic relationship with green alga Chlorella vulgaris  -  Heather Angel
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Heather Angel / Freshwater green hydra (Hydra viridissima) moving over a petri dish. Green colour comes from the symbiotic relationship with green alga Chlorella vulgaris
Tiny hydrozoa, which is a predatory jellyfish-like animal. The hydrozoans are related to jellyfish and corals and belong to the phylum Cnidaria, Green Island, Taiwan.  -  Magnus Lundgren / Wild Wonders of China
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Magnus Lundgren / Wild Wonders of China / Tiny hydrozoa, which is a predatory jellyfish-like animal. The hydrozoans are related to jellyfish and corals and belong to the phylum Cnidaria, Green Island, Taiwan.
Tiny hydrozoa, which is a predatory jellyfish-like animal. The hydrozoans are related to jellyfish and corals and belong to the phylum Cnidaria, Green Island, Taiwan.  -  Magnus Lundgren / Wild Wonders of China
01669747
Magnus Lundgren / Wild Wonders of China / Tiny hydrozoa, which is a predatory jellyfish-like animal. The hydrozoans are related to jellyfish and corals and belong to the phylum Cnidaria, Green Island, Taiwan.
Exquiste butterflyfish (Chaetodon austriacus) swims over fire coral (Millepora sp.) on a coral reef. Marsa El Shouna, Marsa Alam, Egypt. Red Sea.  -  Alex Mustard
01666533
Alex Mustard / Exquiste butterflyfish (Chaetodon austriacus) swims over fire coral (Millepora sp.) on a coral reef. Marsa El Shouna, Marsa Alam, Egypt. Red Sea.
Barrel sponges (Xestospongia testudinaria) grow in shallow water, surrounded by hydroids (Aglaophenia cupressina), in shallow water beneath trees and sun burst. The Passage betweeb Waigeo Island and G...  -  Alex Mustard
01666515
Alex Mustard / Barrel sponges (Xestospongia testudinaria) grow in shallow water, surrounded by hydroids (Aglaophenia cupressina), in shallow water beneath trees and sun burst. The Passage betweeb Waigeo Island and G...
Diverse hard coral growth (Pocillopora damicornis, Pocillopora verrucosa and Millepora dichotoma), flourishes beneath the barren desert cliffs in the Red Sea. Ras Katy, Sinai, Egypt. Gulf of Aqaba, Re...  -  Alex Mustard
01657769
Alex Mustard / Diverse hard coral growth (Pocillopora damicornis, Pocillopora verrucosa and Millepora dichotoma), flourishes beneath the barren desert cliffs in the Red Sea. Ras Katy, Sinai, Egypt. Gulf of Aqaba, Re...
Soft corals (Dendronephthya sp.) and Fire coral (Millepora sp.) with Scalefin anthias (Pseudanthias squammipinnis), Ras Mohammad National Park. Egypt, Red Sea.  -  Brandon Cole
01652345
Brandon Cole / Soft corals (Dendronephthya sp.) and Fire coral (Millepora sp.) with Scalefin anthias (Pseudanthias squammipinnis), Ras Mohammad National Park. Egypt, Red Sea.
Colonies of hydrozoans on Neptune seagrass (Cymodocea nodosa) Tenerife, Canary Islands.  -  Sergio Hanquet
01648637
Sergio Hanquet / Colonies of hydrozoans on Neptune seagrass (Cymodocea nodosa) Tenerife, Canary Islands.
Colonies of hydrozoans on Neptune seagrass (Cymodocea nodosa) Tenerife, Canary Islands.  -  Sergio Hanquet
01648636
Sergio Hanquet / Colonies of hydrozoans on Neptune seagrass (Cymodocea nodosa) Tenerife, Canary Islands.
Red-gilled aeolid nudibranch (Flabellina triophina) moving among Skeleton shrimp (Caprella sp.) The nudibranch does not prey upon amphipods; it eats stinging hydroids. Gambier Bay, Admiralty Island, A...  -  David Hall
01647834
David Hall / Red-gilled aeolid nudibranch (Flabellina triophina) moving among Skeleton shrimp (Caprella sp.) The nudibranch does not prey upon amphipods; it eats stinging hydroids. Gambier Bay, Admiralty Island, A...
Opalescent nudibranch (Hermissenda crassicornis) which preys upon stinging hydroids. It retains its prey's stinging cells (cnidocytes) which are transported to the colorful cerrata on nudibranch&#...  -  David Hall
01647831
David Hall / Opalescent nudibranch (Hermissenda crassicornis) which preys upon stinging hydroids. It retains its prey's stinging cells (cnidocytes) which are transported to the colorful cerrata on nudibranch&#...
Red-eye medusa (Polyorchis penicillatus), Nigei Island, Queen Charlotte Strait, British Columbia, Canada. September.  -  David Hall
01647825
David Hall / Red-eye medusa (Polyorchis penicillatus), Nigei Island, Queen Charlotte Strait, British Columbia, Canada. September.
Opalescent nudibranch (Hermissenda crassicornis) preys upon stinging hydroids. Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.  -  David Hall
01647739
David Hall / Opalescent nudibranch (Hermissenda crassicornis) preys upon stinging hydroids. Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.
Moon jelly (Aurelia labiata) and Cross jellies (Mitrocoma cellularia) split level view in Browning Pass, Queen Charlotte Strait, British Columbia. October.  -  David Hall
01647728
David Hall / Moon jelly (Aurelia labiata) and Cross jellies (Mitrocoma cellularia) split level view in Browning Pass, Queen Charlotte Strait, British Columbia. October.
Cross jellyfish (Mitrocoma cellularia) swarm at night, North Wall, Browning Pass, British Columbia, Canada. September.  -  David Hall
01647706
David Hall / Cross jellyfish (Mitrocoma cellularia) swarm at night, North Wall, Browning Pass, British Columbia, Canada. September.
Cross jellyfish (Mitrocoma cellularia) split level view at night, Hussar Bay, Nigei Island, Queen Charlotte Strait, British Columbia, Canada. Large swarms of Cross Jellies enter quiet bays at night, a...  -  David Hall
01647705
David Hall / Cross jellyfish (Mitrocoma cellularia) split level view at night, Hussar Bay, Nigei Island, Queen Charlotte Strait, British Columbia, Canada. Large swarms of Cross Jellies enter quiet bays at night, a...
Toothed feather hydroid (Aglaophenia pluma), South Tenerife, Canary Islands, Atlantic Ocean.  -  Franco  Banfi
01645524
Franco Banfi / Toothed feather hydroid (Aglaophenia pluma), South Tenerife, Canary Islands, Atlantic Ocean.
Amphipod riding a medusa hydroid close to the surface. Vaderoarna (Weather Islands), West coast, Sweden  Magnus  -  Magnus Lundgren
01643990
Magnus Lundgren / Amphipod riding a medusa hydroid close to the surface. Vaderoarna (Weather Islands), West coast, Sweden Magnus
Jellyfish (Octotiara rusellii) Balayan Bay, Luzon Island, Philippines  Magnus  -  Magnus Lundgren
01643915
Magnus Lundgren / Jellyfish (Octotiara rusellii) Balayan Bay, Luzon Island, Philippines Magnus
Tiny hydrozoa,a predatory jellyfish-like animal. Green Island, Taiwan.  Lundgren  -  Magnus Lundgren / Wild Wonders of China
01643906
Magnus Lundgren / Wild Wonders of China / Tiny hydrozoa,a predatory jellyfish-like animal. Green Island, Taiwan. Lundgren
Moluccan cardinalfish (Ostorhinchus moluccensis) next to hydroids, brittlestars and sea squirts. Tulamben, Bali, Indonesia.  -  Georgette Douwma
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Georgette Douwma / Moluccan cardinalfish (Ostorhinchus moluccensis) next to hydroids, brittlestars and sea squirts. Tulamben, Bali, Indonesia.
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