Georgette Douwma / Stinging hydroid (Aglaophenia cupressina). North Sulawesi, Indonesia.
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Georgette Douwma / Stinging hydroid (Aglaophenia cupressina). North Sulawesi, Indonesia.
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SCOTLAND: The Big Picture / Hydroids (Nemertesia ramosa) on reef with fish swimming in plankton bloom in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.
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SCOTLAND: The Big Picture / Plumose anemone (Metridium senile) and hydroids (Nemertesia ramosa) with fish swimming in plankton bloom in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.
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SCOTLAND: The Big Picture / Edible crab (Cancer pagurus) sitting between hydroids (Nemertesia ramosa) and Plumose anemone (Metridium senile) with fish swimming in plankton bloom in background, South Arran Marine Protected Area,...
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SCOTLAND: The Big Picture / Common sunstar (Crossaster papposus) amongst hydroids (Nemertesia ramosa) and Jewel anemones (Corynactis viridis) with fish swimming in plankton bloom in background, South Arran Marine Protected Area,...
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SCOTLAND: The Big Picture / Common sunstar (Crossaster papposus) amongst hydroids (Nemertesia ramosa) and red algae with plankton bloom in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.
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Graham Eaton / Sea beard hydroid (Nemertesia antennina) Cardigan Bay, Wales, UK. April.
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Nick Upton / Hydroid colonies (Obelia dichotoma) attached to rocks in a rockpool, Rhossili, The Gower peninsula, Wales, UK, June.
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Alex Mustard / Cross jellyfish (Earleria cellularia) swims below the surface in the evening. Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.
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Alex Mustard / Mixed assemblage of jellyfish, mainly cross jellyfish (Earleria cellularia), at the surface. Browning Pass, Port Hardy, Vancouver Island, British Columbia, Canada. Pacific Ocean.
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Lewis Jefferies / Crystal jellyfish (Aequorea victoria) floating above Golden Kelp forest (Laminaria ochroleuca) Lundy Island, Bristol Channel, Devon, UK.
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Alex Mustard / Coral reef scene with multiple species of Princess anthias (Pseudanthias smithvanizi), Threadfin anthias (Pseudanthias huchti), Redfin anthias (Pseudanthias dispar) and feathery hydroids (Aglaophenia...
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Joel Sartore / Photo Ark / Crystal jelly (Aequorea victoria) portrait, Aquarium of the Pacific, California, USA. Captive.
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Henley Spiers / Crystal jellyfish (Aequorea victoria) drifting past mussel farming lines, Shetland, Scotland, UK, North Sea. July.
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Alex Mustard / Crystal jellyfish (Aequorea sp.) floating above a forest of Kelp (Laminaria hyperborea), Island of Coll, Inner Hebrides, Scotland, UK, Atlantic Ocean.
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Alex Mustard / Crystal jellyfish (Aequorea sp.) floating above a forest of Kelp (Laminaria hyperborea), Island of Coll, Inner Hebrides, Scotland, UK, Atlantic Ocean.
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David Fleetham / Stinging hydroid / Fire hydroids (Aglaophenia cupressina)Yap, Micronesia, Pacific Ocean. Hydroids are small predators that look like plants and are related to jellyfish.
Franco Banfi / Crystal jellyfish (Aequorea victoria) in deep water, Trondheimsfjord, Norway, Atlantic Ocean.
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Shane Gross / Umbrella jelly / Aggregating jellyfish (Eutonina indicans) eating a small fish, Vancouver Island, British Columbia, Canada, Pacific Ocean.
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Tony Wu / Aggregating jelly (Eutonina indicans) hydrozoan, measuring about 4cm in diameter, Hokkaido, Japan, Pacific Ocean.
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Alex Mustard / Crystal jellyfish (Aequorea sp.) in shallow, sunlit, water, Talland Bay, Cornwall, UK, English Channel. July.
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Alex Mustard / Crystal jellyfish (Aequorea sp.) at the surface, with Snell's window, Cornwall, UK, English Channel.
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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...
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David Hall / Moon jelly (Aurelia labiata) and Cross jellies (Mitrocoma cellularia) split level view in Browning Pass, Queen Charlotte Strait, British Columbia. October.
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David Hall / Cross jellyfish (Mitrocoma cellularia) swarm at night, North Wall, Browning Pass, British Columbia, Canada. September.
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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...