Juergen Freund / Friant's sea star (Nardoa frianti), close-up of skin of the upper side. North Raja Ampat, West Papua, Indonesia.

Constantinos Petrinos / A new Starfish {Fromia} regenerates from detached arm, Sulawesi Indonesia. NB will have 6 arms instead of normal 5

Juergen Freund / Seastars in tide pool split level {Asteroidea} Canadian pacific coast

Georgette Douwma / Necklace starfish {Fromia monilis} on coral. Sulawesi, Indonesia

Georgette Douwma / Crown of thorns starfish {Acanthaster planci} Andaman Sea, Thailand

Franco Banfi / Scuba diver with Panamic cushion seastars (Pentaceraster cumingi) Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Panamic cushion seastars (Pentaceraster cumingi) Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Georgette Douwma / Friant's seastar (Nardoa frianti) Rinca, Komodo National Park, Indonesia

Nature Production / Starfish (Asterina pectinifera) sequence showing how starfish moves out of 'cage' of fixed vertical sticks, Japan, sequence 4/4

Nature Production / Seastar (Asterina pectinifera) sequence showing how starfish moves out of 'cage' of fixed vertical sticks, Japan, sequence 2/4

Nature Production / Seastar (Asterina pectinifera) sequence showing how starfish moves out of 'cage' of fixed vertical sticks, Japan, sequence 3/4

Nature Production / Seastar (Asterina pectinifera) sequence showing how starfish moves out of 'cage' of fixed vertical sticks, Japan, sequence 1/4

Juergen Freund / Friant's sea star (Nardoa frianti) on reef with crinoids / featherstars, West New Britain, Papua New Guinea.

Juergen Freund / Friant's Sea Star (Nardoa frianti) and crinoid on reef, Kimbe Bay, West New Britain, Papua New Guinea.

GEORGETTE DOUWMA / Whitespotted puffer / Toby fish (Arothron hispidus) feeding on a Comb starfish (Astropecten polyacanthus). Bali, Indonesia

Juergen Freund / Soft corals and blue starfish in shallow water close to mangrove forest, split level, Papua New Guinea

Sue Daly / Common starfish {Asterias rubens} St Abbs, Scotland, UK.

Rob Tilley / Ochre / purple seastars {Pisaster ochraceus} Pacific rim NP, BC, Canada

Patricio Robles Gil / Orange starfish and mussels on coast. Paracas NP, Peru

GEORGETTE DOUWMA / Comet arm of Orange starfish {Echinaster luzonicus} Asexual reproduction Moluccas

GEORGETTE DOUWMA / Starfish {Fromia sp} on coral, Maldives, Indian Ocean

GEORGETTE DOUWMA / Starfish {Fromia sp} with only four legs, Maldives, Indian Ocean

GEORGETTE DOUWMA / Horned seastars {Protoreaster nodosus} in seagrass at low tide. Sulawesi,

GEORGETTE DOUWMA / Starfish with six arms {Fromia sp} Papua New Guinea

GEORGETTE DOUWMA / Horned seastar {Protoreaster nodosus} in seagrass at low tide. Sulawesi,

GEORGETTE DOUWMA / Horned seastars {Protoreaster nodosus} in seagrass at low tide. Sulawesi,

GEORGETTE DOUWMA / Comet arm of starfish {Asteroidea} asexual reproduction Sulawesi, Indonesia

GEORGETTE DOUWMA / Orange starfish with with body regenerated from arm {Echinaster luzonicus} + sea squirts. Moluccas, Indonesia

Jose B. Ruiz / Spiny starfish close-up {Marthasterias glacialis} Mediterranean

Juergen Freund / Three Seastars in shallow coastal waters, Philippines.

Sue Daly / Common sunstar {Crossaster papposus} Loch Linnhe, Scotland, UK

Sue Daly / Common sunstar {Crossaster papposus} and Sea urchins Farne Is, Northumberland, UK

Sue Daly / Bloody Henry starfish {Henricia oculata} Sark, Channel Isles, UK

GEORGETTE DOUWMA / Horned seastar, Sulawesi, Indonesia

Florian Graner / Red lipped batfish / Galapagos batfish {Ogcocephalus darwini} Cocos Is, Costa Rica

Doug Wechsler / Seastars, Blue Mussels and Barnacles, Olympic NP, Washington, USA.

Bernard Castelein / Ochre seastars uncovered on rocks along coast at low tide, Olympic NP, Washington, USA

Bernard Castelein / Ochre seastars on rocks along coast, Olympic NP, Washington, USA

Bernard Castelein / Seastars on the beach at low tide, Olympic NP, Washington, USA.

Juergen Freund / Seastar (starfish) {Echinaster callosus} on coral Indo Pacific

Juergen Freund / Sea stars on seafloor {Protoreaster nodosus} Indo Pacific

Constantinos Petrinos / Giant frogfish {Antennarius commerson} on coral reef, Lembeh Strait, Sulawesi Indonesia

Constantinos Petrinos / Crown of thorns starfish feed on coral {Acanthaster planci} Lembeh strait, Sulawesi Indonesia

Constantinos Petrinos / Seastar {Choriaster granulatus} with Snowflake moray eel hiding infront {Echidna nebulosa} Sulawesi Indonesia. Indo Pacific

Jeff Rotman / Sea star arm showing tubed feet (Asteroidea) Brittany, France Atlantic

Jeff Rotman / Starfish / Sea stars feeding on dead goosefish. Atlantic, New England

Jeff Rotman / Starfish / Seastar preparing to open mussel New England, USA

Juergen Freund / Seastars in Sea grass bed, Indo-Pacific.

Roberto Rinaldi / Person diving with ancient amphora, probably from Roman age, Giglio, Italy. Model released.

Roberto Rinaldi / Tiny (3cm) common / European spiny lobster (Palinurs elephas) and red seastar (echinaster sepositus), Italy.

Flip Nicklin / Inuit Andrew Taqtu investigates seastars, corals and anemones, Arctic

Juergen Freund / Crown of thorns starfish in basket {Acanthaster planci} Indo-pacific

Constantinos Petrinos / Crown of thorns starfish feed on coral {Acanthaster planci} Lembeh strait Sulawesi Indonesi

Juergen Freund / Snorkeler collecting Crown of thorns starfish {Acanthaster planci} Indo-pacific

Tui De Roy / Two Chocolate chip seastars (Nidorellia armata) with Green sea urchin (Lytechinus variegatus) on sea floor, Galapagos Islands, Ecuador. Pacific Ocean.

Lucas Bustamante / Four Blue seastars (Phataria unifascialis) on rocks on seabed, North Seymour Island, Galapagos National Park, Pacific Ocean.

Tony Wu / Northern Pacific seastars (Asterias amurensis) and Blue bat seastars (Patiria pectinifera) scavenging a dead Giant pacific octopus (Enteroctopus dofleini) on the seabed, Hokkaido, Japan, Pacific Ocean...

Tony Wu / Giant Pacific octopus (Enteroctopus dofleini) investigating Northern Pacific seastars (Asterias amurensis) and Blue bat seastars (Patiria pectinifera) that are scavenging a dead Giant Pacific octopus...