Echinoderm Collection (page 20)

Featherstar. This marine invertebrate is an ancient and primitive echinoderm, a member of the group of invertebrates that includes the starfish

Brittle star on a sea pen
Brittlestar (Ophiothrix sp. red) on a sea pen (Virgularia sp. purple). Sea pens are a type of octocoral. The brittle star is a marine invertebrate that is related to starfish

Common starfish feet. Close-up of the tip of a common starfishs (Asterias rubens) leg, showing a number of its tube feet. These tube feet are part of a water vascular system that aids in locomotion

Brittle star and collapsed sea pen
Brittlestar (Ophiothrix sp. red) on a collapsed sea pen (Pteroeides sp. orange) in which a few porcelain crabs are hiding and a small fish is resting. Sea pens are a type of octocoral

Sea urchin and anemone. Northern red anemone (Urticina felina, upper right) and pale sea urchin (Strongylocentrotus pallidus, lower left) on rocks

Tropical corals. Black corals (white, family Antipathidae) and sea whips (order Gorgonacea) growing in tropical waters. Photographed off Misool, West Papua, Indonesia

Damselfish on a reef. School of damselfish (family Pomacentridae) by a gorgonian sea fan (pink) on a coral reef. Photographed off Misool, West Papua, Indonesia

Juvenile golden damselfish (Amblyglyphidodon aureus, centre) by a gorgonian sea fan (left) on a coral reef. This species of damselfish inhabits reefs in the tropical Indo-Pacific region

Fairy basslets over a reef. Fairy basslets (family Grammatidae) swimming over hard coral and feather stars. Photographed off Komodo National Park, Komodo, Indonesia

Feather star and barrel sponge. Feather star, or crinoid, growing at the mouth of a barrel sponge (Xestospongia sp.). Photographed off Komodo National Park, Komodo, Indonesia

Squid hiding in feather star. Juvenile of an unknown species of squid hiding within the arms of a feather star. Juvenile squid are capable of changing the colour of their skin from birth

Starfish (class Asteroidea) on a coral reef. Starfish, also known as sea stars, are a type of marine invertebrate known as echinoderms

Urchin crab (Dorippe frascone) carrying a false fire urchin (Astropyga radiata). This crab carries an urchin on its back for protection from predators

Purple starfish on a beach, Canada
Purple starfish on a beach. Photographed in West Vancouver, British Columbia, Canada

USA, Hawaii, Maui, Maui, Kihei, Starfish and sand, reflected sunset

USA, Hawaii, Maui, Makena Beach, Footprint and starfish in sand

Starfish with Nudibranch (Chromodorididae-reliable chromodoris) - small nudibranch that has many ways of diplaying
VT-9029 Starfish with Nudibranch (Chromodorididae-reliable chromodoris) - small nudibranch that has many ways of diplaying the same colours and patterns crawls over starfish Indonesia Fromia sp

Sea Urchin Shrimp - these shrimp spend their lives sheltered by the stinging spines of their sea urchin host
VT-9015 Sea Urchin Shrimp - these shrimp spend their lives sheltered by the stinging spines of their sea urchin host (Asthenosoma varium)

Flowerpot Urchin - with small Zebra Crab - Indonesia
VT-9020 Flowerpot Urchin - with small Zebra Crab Indonesia Toxopneustes pileolus Valerie & Ron Taylor Please note that prints are for personal display purposes only

Starfish regenerating whole body and four arms from single arm and central disc following injury
PM-10575 Starfish regenerating whole body and four arms from single arm and central disc following injury. Pat Morris Please note that prints are for personal display purposes only

Blue Starfish - born with 4 legs instead of five - Indonesia
VT-9030 Blue Starfish - born with 4 legs instead of five Indonesia Linckia laevigata Valerie & Ron Taylor Please note that prints are for personal display purposes only

Starfish - with mussel as prey
ME-2264 Starfish - with mussel as prey Johan De Meester Please note that prints are for personal display purposes only and may not be reproduced in any way

Long Spined Sea Urchin, tropical seas
PM-10641 Long Spined Sea Urchin, tropical seas Possibly Diadema sp Pat Morris Please note that prints are for personal display purposes only and may not be reproduced in any way

Brittle Star - Brittle stars can regenerate a new individual from a broken fragment
VT-8951 Brittle Star Papua New Guinea Ophiothrix purpurea Brittle stars can regenerate a new individual from a broken fragment. They also change colour to match their host

Shrimps - found exclusiviely in the venomous Sea / Fire Urchin, Asthenosoma ijimai Indonesia
VT-8881 Shrimps - found exclusively in the venomous Sea / Fire Urchin, Asthenosoma ijimai Indonesia Periclimenes colemani Valerie & Ron Taylor Please note that prints are for personal display

Holothurian - the mouth of a sand dwelling holothurian. Pentacta sp. This animal feeds itself by gathering plankton
VT-8926 Holothurian - the mouth of a sand dwelling holothurian Indonesia Pentacta sp. This animal feeds itself by gathering plankton with it's sticky branch like fingers then licking them clean

Cardinal fish - These schooling fish use spiney sea urchins as protection against preditors. Apogon sp
VT-8453 CARDINAL fish - These schooling fish use spiny sea urchins (Echinothrix diadema) as protection against predators. Milne bay

Starfish - showing papulae South Australia
VT-2001 Starfish - close-up of arm with papulae South Australia Pentagonaster duebeni Valerie & Ron Taylor Please note that prints are for personal display purposes only

Sea Cucumber (Beche-de-mer) Papua New Guinea
VT-2169 Sea Cucumber (Beche-de-mer) Papua New Guinea Holothuria argus Valerie & Ron Taylor Please note that prints are for personal display purposes only and may not be reproduced in any way

Sea Cucumber North Atlantic
PM-7603 Sea Cucumber North Atlantic Cucumaria frondosa Pat Morris Please note that prints are for personal display purposes only and may not be reproduced in any way

Sea Cucumber - looking for mate Indo Pacific
VT-6529 SEA CUCUMBER - looking for mate Indo Pacific Holothuria sp. Valerie & Ron Taylor Please note that prints are for personal display purposes only and may not be reproduced in any way

Spiney Urchin VT 4661 Caribbean. Echionothrix sp. © Ron & Valerie Taylor / ARDEA LONDON
VT-4661 SPINY URCHIN Caribbean. Echionothrix sp. Valerie & Ron Taylor Please note that prints are for personal display purposes only and may not be reproduced in any way

Long-spined Sea Urchin - dangerously venomous spines
KEL-600 Long-spined Sea Urchin - dangerously venomous spines Diadema antillarum Ken Lucas Please note that prints are for personal display purposes only and may not be reproduced in any way

Edible Sea Urchin
ROG-6518 EDIBLE SEA URCHIN Echinus esculentus Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in any way

Sea Apple Papua New Guinea
VT-7255 SEA CUCUMBER - HOLOTHURIAN Papua New Guinea Pseudocolchirus violaceus Holothurian colochirus violaceus Valerie & Ron Taylor Please note that prints are for personal display purposes only

Long Spined Sea Urchin - poisonous Caribbean
VT-3794 Long Spined Sea Urchin - poisonous Caribbean Diadema antillarum Valerie & Ron Taylor Please note that prints are for personal display purposes only and may not be reproduced in any way

Purple Sea Urchin Moss Beach California, USA
KEL-602 Purple Sea Urchin Moss Beach California, USA. Strongylocentrotus purpuratus Ken Lucas Please note that prints are for personal display purposes only and may not be reproduced in any way

Sand Dollar (a sea urchin) - Top side, Cobourg Peninsula, Arnhemland, Northern Territory, Australia JPF19799
JPF-13114 Sand Dollar (a sea urchin) - Top side Cobourg Peninsula, Arnhemland, Northern Territory, Australia Mellita sexiesperforata Jean-Paul Ferrero Please note that prints are for personal display

Purple Sea Urchin KF 8672 USA. Strongylocentrotus purpuratus © Kenneth W. Fink / ARDEA LONDON
KF-8672 PURPLE SEA URCHIN USA. Strongylocentrotus purpuratus Kenneth W Fink Please note that prints are for personal display purposes only and may not be reproduced in any way

Brittle Star
JLM-3059 Brittle Star John Mason Please note that prints are for personal display purposes only and may not be reproduced in any way. contact details: prints@ardea.com tel: + 44 (0) 20 8318 1401

Crown-of-thorns Starfish - feeding on coral
DSE-218 Crown-of-Thorns STARFISH - feeding on coral Bassas da India Acanthaster plancii Douglas David Seifert Please note that prints are for personal display purposes only

A sea star (Linckia sp) and a pincusion sea star (Culcita novaeguineae). Richelieu Rock, Andaman Sea, Thailand
AUS-649 A sea star and a Pincushion sea star (Culcita novaeguineae). Richelieu Rock, Andaman Sea, Thailand Linckia sp. Dr David Wachenfeld / Auscape / ardea.com Auscape Please note that prints are

Sea star (Choriasater granulatus). Richelieu Rock, Andaman Sea, Thailand
AUS-648 Sea star Richelieu Rock, Andaman Sea, Thailand Choriaster granulatus Dr David Wachenfeld / Auscape / ardea.com Auscape Please note that prints are for personal display purposes only

A close up of its skin makes it clear how the leopard sea cucumber (Bohadschia argus) got its name
AUS-603 Leopard sea cucumber, skin, showing why it was named. Great Barrier Reef Marine Park, Queensland, Australia Bohadschia argus Dr David Wachenfeld / Auscape / ardea.com Auscape Please note that

Feather stars (Order Comatulida), close relatives of sea stars, are named for the feathery appearance of their arms
AUS-599 Featherstars (Order Comatulida), named for the feathery arms which filter food. Great Barrier Reef Marine Park, Queensland

A commensal harlequin crab (Lissocarcinus orbicularis) living on a sea cucumber (Holothuroidea)
AUS-662 A commensal harlequin crab living on a sea cucumber (Holothuroidea). Similan Islands, Andaman Sea, Thailand Lissocarcinus orbicularis Dr David Wachenfeld / Auscape / ardea.com Auscape Please

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"Echinoderms: Fascinating Creatures of the Sea" Diving into the depths of the ocean, we encounter an extraordinary world filled with diverse marine life. Amongst them, echinoderms stand out as captivating creatures that never fail to amaze us. In Japan's Kagoshima Prefecture, a Male Leach's sea star steals the spotlight as it engages in broadcast spawning. With arms extended gracefully, it releases streams of sperm into the water, contributing to new life beneath the waves. This mesmerizing sight earned its well-deserved recognition as Wildlife Photographer of the Year 2022 - Underwater category winner. But let us not forget their ancient relatives who once roamed our oceans. Extinct marine reptiles ruled during a time long past, leaving behind remnants like crinoid fossils known as "Sea Lilies. " Discovered in Northern Germany from the Triassic period over 240 million years ago, these delicate fossils offer glimpses into Earth's prehistoric wonders. Moving forward to present-day marvels, we encounter sea cucumbers and starfish gracing sandy beaches worldwide. Their unique shapes and vibrant colors add charm to coastal landscapes while reminding us of nature's artistic touch. Delving deeper into history reveals St. Cuthberts Beads—a rosary crafted from crinoid columnals—an exquisite testament to human creativity intertwined with echinoderm beauty. Further exploration uncovers Pentrimites robustus and Tylocidaris clavigera—blastoids and sea urchins respectively—each showcasing intricate patterns etched by evolution itself. Venturing along rocky shores brings encounters with double spined urchins' anal sacks—a peculiar yet essential part of their anatomy that aids in maintaining balance within their watery habitat. As we journey across continents, common starfish grace Oxwich Bay in Gower South Wales UK while ochre & purple sea stars adorn Strawberry Hill State Park on the Oregon coast, Pacific Ocean, USA.