Alex Mustard / Commensal emperor shrimp (Periclimenes imperator) moves across the colourful red patterned surface of its host Candycane sea cucumber (Thelenota rubralineata). Misool, Raja Ampat, West Papua, Indonesi...
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David Hall / Brooks urchin shrimp (Allopontonia brooki), commensal among the venomous spines of Variable sea urchin (Asthenosoma varium). On sea floor, Komodo, Indonesia.
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David Hall / Soft coral ghostgoby (Pleurosicya boldinghi) swimming through Soft coral (Dendronephthya). Shrimp and benthic Comb-jellies (Ctenophora) present, all commensal. Pantar, Alor Archipelago, Indonesia.
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David Hall / Banded tozeuma shrimp (Tozeuma armatum) on Black coral (Antipatharia). Komodo, Indonesia.
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Magnus Lundgren / Wild Wonders of China / White stripe urchin shrimp (Stegopontonia commensalis) among the spines of its host sea urchin. Commensal shrimp. Xiaoliuqiu Island, Taiwan
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Gary Bell/ Oceanwide / Nudibranch (Ceratosoma sp) with commensal Emperor Shrimp (Periclimenes imperator), Philippines
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Gary Bell/ Oceanwide / Nudibranch (Ceratosoma sp) with commensal Emperor Shrimp (Periclimenes imperator), Philippines
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Gary Bell/ Oceanwide / Tyron's Risbecia (Risbecia tryoni) with commensal Emperor Shrimp (Periclimenes imperator), Milne Bay, Papua New Guinea
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Gary Bell/ Oceanwide / Tyron's Risbecia (Risbecia tryoni) with commensal Emperor Shrimp (Periclimenes imperator), Milne Bay, Papua New Guinea
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Alex Mustard / Portrait of a hidden Corallimorph shrimp (Pliopontonia furtiva) on a coral reef. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.
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David Fleetham / Imperial commensal shrimp (Periclimenes imperator / Zenopontonia rex) on Spanish dancer nudibranch (Hexabranchus sanguineus) at night. Philippines.
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David Fleetham / Imperial shrimp (Periclimenes imperator / Zenopontonia rex), two on Sea cucumber (Holothuroidea). Wakaya, Fiji.
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David Fleetham / Commensal shrimp (Pontonides unciger) with tail packed with eggs, Fiji.
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David Fleetham / Commensal Shrimp (Dasycaris) on wire coral. Tulamben area of Bali, Indonesia.
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David Fleetham / Commensal / Periclimenes shrimp (Periclemenes soror), difficult to spot on surface of Large pincushion starfish (Culcita novaeguineae). Hawaii.
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David Fleetham / Commensal / Periclimenes Shrimp (Periclimenes lanipes) on branching surface of Basketstar (Astoboa nuda). Komodo, Indonesia.
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David Fleetham / Commensal shrimp (Pliopontonia furtiva) camouflaged on Corallimorph (Pseudocorynactis sp), Komodo National Park, Indonesia.
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David Fleetham / Giant / Star pufferfish (Arothron stellatus) opening gills to allow the Commensal / Periclimenes shrimp, (Periclimenes sp) to go inside in search of parasites, Bali, Indonesia.
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David Fleetham / Reticulated brittle star (Ophiocoma brevipes), and commensal shrimp (Periclemenes soror) on a cushion starfish (Culcita novaeguineae), Hawaii.
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Franco Banfi / Two Mushroom coral / Commensal shrimps (Cuapetes / Periclimenes kororensis) on Mushroom coral (Heliofungia actiniformis) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific O...
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Franco Banfi / Commensal shrimp (Pliopontonia furtiva) camouflaged on Disc anemone (Amplexidiscus fenestrafer) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.
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Franco Banfi / Commensal shrimp (Pliopontonia furtiva) camouflaged on Disc anemone (Amplexidiscus fenestrafer) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.
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Franco Banfi / Two Commensal shrimps (Periclimenes tosaensis) in Sea anemone (Heteractis magnifica) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.
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Franco Banfi / False clownfish (Amphiprion ocellaris) and a Commensal shrimp (Periclimenes / Ancylomenes tosaensis) in a Sea anemone (Heteractis magnifica) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Ph...
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Franco Banfi / Commensal / Glass anemone shrimp (Periclimenes brevicarpalis) on Sea anemone, Pura Vida House Reef, Dumaguete, East Negros Island, Central Visayas, Philippines, Pacific Ocean.
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Nature Production / Commensal crinoid shrimp (Periclimenes amboinensis) cleaning Wrought-Iron butterflyfish (Chaetodon daedalma) Chichijima, Ogasawara Islands UNESCO World Heritage Site, Japan
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Linda Pitkin / Emperor shrimp (Periclimenes imperator / Zenopontonia rex), commensal with Amberfish Sea cucumber (Thelenota anax) Lembeh Strait, North Sulawesi, Indonesia.
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Georgette Douwma / Commensal emperor shrimp (Periclimenes imperator / Zenopontonia rex) hitching a ride on a Nudibranch (Risbecia tryoni). Lembeh Strait, North Sulawesi, Indonesia.
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Georgette Douwma / RF - Nudibranch (Risbecia tryoni) with commensal Emperor shrimp (Periclimenes imperator / Zenopontonia rex). Lembeh Strait, North Sulawesi, Indonesia. (This image may be licensed either as rights ma...
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Alex Mustard / Commensal emperor shrimp (Periclimenes imperator / Zenopontonia rex) scuttles across the skin of its host sea cucumber, Dauin, Dumaguete, Negros, Philippines. Bohol Sea
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Pascal Kobeh / Commensal shrimp (Periclimenes tosaensis) in Mushroom coral (Heliofungia actiniformis) Sulu Sea, Philippines
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Pascal Kobeh / Transparent commensal / Magnificent anemone shrimp (Periclimenes magnificus) on an Anemone tube (Cerianthus sp) Sulu Sea, Philippines
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Pascal Kobeh / Pink anemonefish (Amphiprion perideraion) in Magnificent sea anemone (Heteractis magnifica) with Holthuis commensal shrimps (Periclimenes holthuisi) Philippines. Sulu Sea.
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Pascal Kobeh / Commensal shrimp (Periclimenes magnificus) on Sea pen (Pteroeides), Manado, Indonesia. Sulawesi Sea.
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Franco Banfi / Commensal shrimp (Periclimenes amboinensis) on feather star or crinoid, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean
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Juergen Freund / Nudibranch (Ceratosoma teneu) with a Imperator commensal shrimp (Periclimenes imperator / Zenopontonia rex) hitchhicker Raja Ampat, West Papua, Indonesia
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Juergen Freund / Nudibranch (Tambja afinis) with a Imperator commensal shrimp (Periclimenes imperator / Zenopontonia rex) hitchhicker, Raja Ampat, West Papua, Indonesia
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Juergen Freund / Nudibranch (Tambja afinis) with a Imperator commensal shrimp (Periclimenes imperator / Zenopontonia rex) hitchhicker, Raja Ampat, West Papua, Indonesia
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Franco Banfi / Commensal shrimp (Periclimenes brevicarpalis) Maldives, Indian Ocean
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Jeff Rotman / Symbiotic commensal Emperor shrimp (Periclimenes imperator / Zenopontonia rex) living inside the gills of a Spanish dancer nudibranch (Hexabranchus sp), Red Sea, Egypt
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Juergen Freund / Underside detail of Horned sea star / Chocolate starfish (Protoreaster nodosus) with commensal starfish shrimp (Periclimenes soror), Papua New Guinea.
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Juergen Freund / Underside detail of Horned sea star / Chocolate starfish (Protoreaster nodosus) with commensal starfish shrimp (Periclimenes soror), Papua New Guinea.
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Juergen Freund / Imperator commensal shrimp (Periclimenes imperator / Zenopontonia rex) on sea cucmber, Indo-pacific.
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Juergen Freund / Imperator commensal shrimp (Periclimenes imperator / Zenopontonia rex) on sea cucmber, Indo-pacific.
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Juergen Freund / Black finned snake eel (Ophichthus melanochir) with commensal shrimp. Lembeh Strait, North Sulawesi, Indonesia
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Juergen Freund / RF- Commensal Crinoid shrimp (Periclimenes amboinensis) camouflaged on a crinoid. Misool, Raja Ampat, West Papua, Indonesia. (This image may be licensed either as rights managed or royalty free.)
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Juergen Freund / Pacific clown anemone shrimp (Periclimenes brevicarpalis), a commensal shrimp found on sea anemones. Misool, Raja Ampat, West Papua, Indonesia.
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Georgette Douwma / Purple sea pen (Virgularia gustaviana) with a Commensal shrimp (Periclimenes magnificus) on sandy sea bed. Rinca, Komodo National Park, Indonesia
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Fred Bavendam / Shrimp (Periclimenes sp) with similar coloration to that of its crinoid host, Milne Bay, Papua New Guinea
Constantinos Petrinos / Chromodorid nudibranch {Ceratosoma tenue} laying egg mass + commensal Imperial shrimp {Periclimenes imperator / Zenopontonia rex} Lembeh straits, Sulawesi, Indonesia
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David Fleetham / Elegant squat lobster (Allogalathera elegans) and commensal shrimp (Periclimenes amboinensis) on featherstar (Comanthus bennetti), Mabul Island, Malaysia.
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David Fleetham / Two commensal shrimp (Periclimenes venustus) on Beaded sea anemone (Heteractis aurora), Mabul Island, Malaysia.
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David Fleetham / Commensal shrimp (Thor amboinensis) on hard coral polyps (Euphyllia ancora), Mabul Island, Malaysia.
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David Fleetham / Commensal startfish shrimp (Periclemenes soror) on a seastar (Fromia elegans), Mabul Island, Malaysia.
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David Fleetham / Two Commensal shrimp (Vir philippinensis) on Bubble Coral (Plerogyra sinuosa), Indonesia. The greenish brown circular markings are flatworms (Waminoa sp.)
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David Fleetham / Commensal Starfish shrimp (Periclimenes soror), on Cushion starfish (Culcita novaeguineae), Hawaii.
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David Fleetham / Commensal Starfish shrimp (Periclemenes soror), less than one inch long, on Crown-of-thorns starfish (Acanthaster planci), Hawaii.
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Roberto Rinaldi / Commensal shrimp / Anemone shrimp (Pliopontonia sp) on a bubble coral (Plerogyra sp), Lankayan Island, Borneo
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Juergen Freund / Crinoid shrimp {Periclimenes sp} on featherstar.commensal. Sulawesi, Indonesia
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Constantinos Petrinos / Crinoid shrimp {Periclimenes amboienensis} on featherstar. commensal. Sulawesi, Indonesia
Tony Wu / Commensal Magnificent anemone shrimp (Periclimenes magnificus) waiting for larger animals to visit to be cleaned. Banda Sea, Ambon Island, Maluku Islands, Indonesia.
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Franco Banfi / Glass shrimp / Cleaner shrimp (Periclimenes scriptus) commensal with Sand anemone (Condylactis aurantiaca) Vis Island, Croatia, Adriatic Sea, Mediterranean.
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David Fleetham / Commensal shrimp (Periclemenes soror) camouflaged on Cushion starfish (Culcita novaeguineae) Philippines.
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David Hall / Candy stripe shrimp (Lebbeus grandimanus), a commensal species that associates with crimson sea anemones. Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.
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Linda Pitkin / Bubble coral shrimp (Vir philippinesis) in symbiotic commensal relationship with Bubble coral (Plerogyra sinuosa). Lembeh Strait, North Sulawesi, Indonesia.
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David Fleetham / Close up image of a Commensal egg shell shrimp, (Hamopontonia corallicola) camouflaged in the tentacles of its host a short tentacle plate coral, (Heliofungia actiniformis0 Yap, Micronesia.
