Holothuroidea Collection

Necklace seastar (Fromia monilis) on Sea cucumber (Bohadaschia argus) Yap, Micronesia

Pearlfish (Carapus acus) in anus of Sea cucumber (Stichopus regalis). These species have a commensal relationship, with the fish living in the gut of the sea cucumber. Catalonia, Spain

Sea cucumber / Sea apple (Pseudocolochirus violaceus) Rinca, Komodo National Park, Indonesia

Sea apple (Pseudocolochirus violaceus) Komodo National Park, Indonesia

Sea apple, eating, using arm to transfer food into mouth. Ninepin Group or Kwo Chau Islands, Sai Kung District of Hong Kong, China

Sea cucumber (Bohadschia argus) which has ejected a part of its internal organs called Cuvierian tubules. These significantly sticky strings are a defense mechanism designed to deter predators

Pearlfish (Carapus acus) outside of host Sea cucumber (Stichopus regalis) at night. These species have a commensal relationship, with the fish living in the gut of the sea cucumber. Catalonia, Spain

UW INDO 1905 43
Sea Cucumber feeding - Melasti dive site, Seraya, Kubu district, Karangasem, Bali, Indonesia, Indian Ocean Date: 09-Nov-19

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Harlequin Crab on Amberfish Sea Cucumber (Thelenota anax) - night dive - Murex House Reef dive site, Bangka Island, north Sulawesi, Indonesia, Pacific Ocean Date: 24-03-2016

Commensal emperor shrimp (Periclimenes imperator) moves across the colourful red patterned surface of its host Candycane sea cucumber (Thelenota rubralineata)

Emperor shrimp (Periclemenes imperator) on sea cucumber (Thelenota ananas) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

RF - Emperor shrimp (Periclimenes imperator) exploring alien-looking landscape of host sea cucumber (Bohadschia argus). Emperor shrimps are commensals on many hosts

The Giant sea cucumber (Parastichopus californicus) is found down the west coast from Alaska to Mexico; British Columbia, Canada

Puerto Galera, Philippines, South East Asia; Cleaner Shrimp On A Sea Cucumber

Fossil Holothurian or sea cucumber
Staurocystis quadrifasciata, 6.5 cm long, from the Silurian, Wenlock Limestone of Dudley in Worcestershire, England

Imperator Commensal Shrimp on Eyed Sea Cucumber
Imperator Commensal Shrimp (Periclimenes imperator) on Eyed Sea Cucumber (Bohadschia argus), Fiji

Commensal shrimp, Fiji

Sea cucumber feeding on algae
Sea cucumber (Bohadschia graeffei) feeding on algae, Beqa Lagoon, Fiji

A colorful emperor shrimp sits atop a sea cucumber
A colorful emperor shrimp (Periclimenes imperator) sits on a sea cucumber in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life

Tiny nudibranch on sea cucumber, Australia

A sea cucumber clings to a reef in Alor, Indonesia
A sea cucumber (Bohadschia sp.) clings to a reef in Alor, Indonesia. This remote region is known for its beautiful reefs and spectacular marine biodiversity

Close-up pattern of a giant sea cucumber (Thelenota ananas), Beqa Lagoon Fiji

Lollyfish Sea Cucumber (Holothuria atra) adult, Nusa Penida, Bali, Lesser Sunda Islands, Indonesia, October

Light-sensitive Sea Cucumber (Holothuria impatiens) adult, extruding sticky defensive cuivierian respiratory tubules at night, Manado, Sulawesi, Greater Sunda Islands, Indonesia, March

Amberfish Sea Cucumber (Thelenota anax) adult, spawning, Lembeh Straits, Sulawesi, Sunda Islands, Indonesia, June

Pineapple Sea Cucumber (Thelenota ananas) adult, close-up detail, Seraya, Bali, Lesser Sunda Islands, Indonesia, April

Volcano Sea Cucumber (Holothuria turriscelsa) adult, ejecting sperm, Lembeh Straits, Sulawesi, Sunda Islands, Indonesia, July

Sea cucumber (paracumaria) on rock

Sea Cucumber, large slimy foot, frilly yellow edge for breathing and catching sunlight, soft body, on coral

Sea Cucumber, mouth at one end, leathery purple and white skin, suckers on end of red tubed feet

Deima fastosum, holothurian echinoderm
Illustration of a Holothurian echinoderm from Report on the Holothuroidea dredged by H.M.S. Challenger, 1872-1876

Peppermint sea cucumber (Thelenota rubralineata). This rare member of the sea cucumber family is only found in the waters surrounding the island of New Guinea

Sea cucumber and starfish. Burrowing sea cucumber (Neothyonidium magnum, centre) buried in the sand next to a granulated starfish (Choriaster granulatus, upper right)

Burrowing sea cucumber (Neothyonidium magnum, centre) buried deep in the sand. Only the tentacles of the sea cucumber, which it uses to feed, are above the sand

Graeffs sea cucumber

Leopard sea cucumber (Bohadschia argus). Sea cucumbers are scavengers that travel across the sea bed using their tentacles to search for plankton and the remains of other animals

Graeffs sea cucumbers
Yellow sea cucumbers (Colochirus robustus) on an orange sponge. Sea cucumbers are scavengers that travel across the sea bed using their tentacles to search for plankton

Yellow sea cucumber (Colochirus robustus, yellow) on a sponge (orange). Photographed in Komodo National Park, Indonesia

Sea apple (Pseudocolochirus violaceus) on a reef. Sea apples are rounded sea cucumbers that feed by filtering sea water with their tentacled crown (fronds, upper centre)

Giant sea cucumber (Thelenota ananas), Rongelap, Marshall Islands (N. Pacific)
Andre Seale / SplashdownDirect

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"Holothuroidea: Fascinating Interactions and Breathtaking Beauty of Sea Cucumbers" A mesmerizing sight unfolds as a Necklace seastar gracefully perches on the back of a Sea cucumber in Yap, Micronesia. Vibrant hues adorn the Sea apple as it thrives amidst the underwater wonders of Rinca, Komodo National Park, Indonesia. Discover the enchanting Sea apple in all its glory at Komodo National Park, Indonesia - a true marvel of nature's palette. Witness an incredible moment as a Sea apple skillfully uses its arm to transfer food into its mouth in Ninepin Group or Kwo Chau Islands. Astonishingly resilient, observe how a Bohadschia argus sea cucumber ejects part of its internal organs for self-defense purposes. Under cover of darkness, witness the peculiar Pearlfish seeking refuge outside its host - Stichopus regalis sea cucumber - creating an extraordinary symbiotic relationship. Unveiling nature's ingenuity, spot the Pearlfish comfortably nestled within the anus of Stichopus regalis sea cucumber - truly mind-boggling. Dive into an underwater paradise with UW INDO 1905 43 and immerse yourself in captivating scenes from beneath the waves. Marvel at Periclimenes imperator emperor shrimp effortlessly gliding across their vibrant host Candycane sea cucumber in Misool, Raja Ampat, West Papua - a tropical oasis like no other. Delicate yet tenacious, witness Periclemenes imperator emperor shrimp finding solace upon Thelenota ananas sea cucumber's textured surface at Tubbataha Reef. Immerse yourself in these awe-inspiring moments where Holothuroidea reveals both beauty and intriguing interactions within our alien-like marine landscapes.