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Hydrozoan Collection

Background imageHydrozoan Collection: Man-of-war fish (Nomeus gronovi) living within deadly tentacles of Portuguese man o war

Man-of-war fish (Nomeus gronovi) living within deadly tentacles of Portuguese man o war (Physalia physalis), to whose toxin it is ten times more resistant than other fish, at sea surface. Dominica

Background imageHydrozoan Collection: Portuguese man o war (Physalia physalis) Tenerife, Canary Islands

Portuguese man o war (Physalia physalis) Tenerife, Canary Islands

Background imageHydrozoan Collection: Blue dragon seaslug (Glaucus atlanticus) with Blue button hydroid colony (Porpita porpita

Blue dragon seaslug (Glaucus atlanticus) with Blue button hydroid colony (Porpita porpita) on which it feeds. Tenerife, Canary Islands. October

Background imageHydrozoan Collection: Blue sea slug (Glaucus atlanticus) that was washed ashore with a mass

Blue sea slug (Glaucus atlanticus) that was washed ashore with a mass, multi-day stranding of thousands of Indo-Pacific Portuguese man-of-war (Physalia utriculus)

Background imageHydrozoan Collection: Siphonophore (Nanomia sp) close up of nectophores, and palpons. Gulf of Maine, Atlantic Ocean

Siphonophore (Nanomia sp) close up of nectophores, and palpons. Gulf of Maine, Atlantic Ocean. Epipelagic species found up to 300m depth

Background imageHydrozoan Collection: Green hydra (Hydra viridissima) found in a garden pond. Derbyshire, UK. September

Green hydra (Hydra viridissima) found in a garden pond. Derbyshire, UK. September. Winner of the Hidden Britain Category of the British Wildlife Photographer of the Year Awards (BWPA) Competition 2017

Background imageHydrozoan Collection: RF - A vibrant Red Sea coral reef scene, with orange female Scalefin anthias fish

RF - A vibrant Red Sea coral reef scene, with orange female Scalefin anthias fish (Pseudanthias squamipinnis) teeming over Fire coral (Millepora dichotoma)

Background imageHydrozoan Collection: Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

Background imageHydrozoan Collection: Crystal jellyfish (Aequorea victoria) in deep water, Trondheimsfjord, Norway, Atlantic Ocean

Crystal jellyfish (Aequorea victoria) in deep water, Trondheimsfjord, Norway, Atlantic Ocean

Background imageHydrozoan Collection: Portuguese man o war (Physalia physalis) Tenerife, Canary Islands. January

Portuguese man o war (Physalia physalis) Tenerife, Canary Islands. January

Background imageHydrozoan Collection: Top-down view of an Indo-Pacific Portuguese Man-of-War (Physalia utriculus)

Top-down view of an Indo-Pacific Portuguese Man-of-War (Physalia utriculus). This is one of many thousands that were part of a mass stranding in South Africa. Atlantic ocean

Background imageHydrozoan Collection: School of Scalefin anthias (Pseudanthias squamipinnis) females

School of Scalefin anthias (Pseudanthias squamipinnis) females, swimming around Fire coral (Millepora dichotoma) feeding on plankton brought to the reef by currents, Ras Mohammed National Park

Background imageHydrozoan Collection: Portuguese man o war (Physalia physalis) floating on sea surface. Azores, Atlantic Ocean

Portuguese man o war (Physalia physalis) floating on sea surface. Azores, Atlantic Ocean

Background imageHydrozoan Collection: Male Emperor angelfish (Pomacanthus imperator) swimming over garden of Fire corals (Millepora sp)

Male Emperor angelfish (Pomacanthus imperator) swimming over garden of Fire corals (Millepora sp)
Male Emperor angelfish (Pomacanthus imperator) swimming over garden of Fire corals (Millepora sp.) in morning sunshine, Ras Mohammed National Park, Sinai, Egypt, Red Sea

Background imageHydrozoan Collection: Emperor angelfish (Pomacanthus imperator) swimming in front of Fire corals (Millepora dichotoma)

Emperor angelfish (Pomacanthus imperator) swimming in front of Fire corals (Millepora dichotoma) and soft corals (Dendronephthya sp.) and (Scleronephthya sp)

Background imageHydrozoan Collection: Blade fire coral (Millepora complanata) colonies breaking wave, protection against hurricanes

Blade fire coral (Millepora complanata) colonies breaking wave, protection against hurricanes. Guanaja Island, Honduras. Caribbean Sea

Background imageHydrozoan Collection: Juvenile Damselfish (Stegastes) hiding amongst Blade fire coral (Millepora complanata)

Juvenile Damselfish (Stegastes) hiding amongst Blade fire coral (Millepora complanata). Roatan Island, Honduras. Caribbean Sea

Background imageHydrozoan Collection: Common hermit crab (Pagurus bernhardus) with Snail fur (Hydractinia echinata)

Common hermit crab (Pagurus bernhardus) with Snail fur (Hydractinia echinata) growing on its shell, close up, Ronas Voe, Shetland, Scotland, North Atlantic Ocean, UK

Background imageHydrozoan Collection: Freshwater green hydra (Hydra viridissima) moving over a petri dish

Freshwater green hydra (Hydra viridissima) moving over a petri dish. Green colour comes from the symbiotic relationship with green alga Chlorella vulgaris

Background imageHydrozoan Collection: Mutualism between a Portuguese man o war (Physalia physalis

Mutualism between a Portuguese man o war (Physalia physalis) and a juvenile Imperial blackfish (Schedophilus ovalis), Tenerife, Canary Islands

Background imageHydrozoan Collection: Tiny hydrozoa, which is a predatory jellyfish-like animal

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

Background imageHydrozoan Collection: Diverse hard coral growth (Pocillopora damicornis, Pocillopora verrucosa

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

Background imageHydrozoan Collection: Moon jelly (Aurelia labiata) and Cross jellies (Mitrocoma cellularia

Moon jelly (Aurelia labiata) and Cross jellies (Mitrocoma cellularia) split level view in Browning Pass, Queen Charlotte Strait, British Columbia. October

Background imageHydrozoan Collection: RF - Split level photo of a coral reef with hard corals (Acropora sp. Millepora sp

RF - Split level photo of a coral reef with hard corals (Acropora sp. Millepora sp. and Pocillopora sp.) and the shore with palm trees, at sunset. Red Sea

Background imageHydrozoan Collection: Anthias fish (Pseudanthias squamipinnis), by Fire coral (Millepora dichotoma) and soft coral

Anthias fish (Pseudanthias squamipinnis), by Fire coral (Millepora dichotoma) and soft coral, on coral reef, Shark Reef to Jolande Reef, Ras Mohammed National Park, Egypt, Red Sea

Background imageHydrozoan Collection: Vibrant Red Sea reef scene, with orange female Scalefin anthias (Pseudanthias squamipinnis)

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


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