Guardian Nature School Team Contact Blog Project Noah Facebook Project Noah Twitter

A worldwide community photographing and learning about wildlife

Join Project Noah!
nature school apple icon

Project Noah Nature School visit nature school

0 3 Sea urchins off the coast of Sardinia, Italy

Sea urchins off the coast of Sardinia, Italy

by GabryRubyRauschArzachena, SAR, Italy

dollars, constitute the class Echinoidea of the echinoderm

5 6 Brittle Star

Brittle Star

by Malcolm Wilton-JonesAndalucía, Spain

Sea Star (formerly Starfish) is a generic name for star shaped species in the ...

1 0 Cushion Starfish

Cushion Starfish

by JordiPratsSulawesi Utara, Indonesia

Pentagonal in shape with an inflated appearance and much-abbreviated arms, ...

0 0 Horned Sea Star

Horned Sea Star

by JordiPratsSulawesi Utara, Indonesia

About 20cm large, 5 bold arms pale colour, with black conical spikes arranged ...

1 0 Cushion Starfish

Cushion Starfish

by JordiPratsNusa Tenggara Timur, Indonesia

Pentagonal in shape with an inflated appearance and much-abbreviated arms, ...

1 0 Cushion Starfish

Cushion Starfish

by JordiPratsNusa Tenggara Timur, Indonesia

Pentagonal in shape with an inflated appearance and much-abbreviated arms, ...

6 2 Cushion Starfish

Cushion Starfish

by JordiPratsNusa Tenggara Timur, Indonesia

Pentagonal in shape with an inflated appearance and much-abbreviated arms, ...

0 0 sea cucumber, trepang

sea cucumber, trepang

by S FrazierPapua, Indonesia

Sea cucumbers are members of the phylum ...

3 0 Sea Cucumber

Sea Cucumber

by Leuba RidgwayVictoria, Australia

A 50 mm long soft bodied sea cucumber with tapering ends. There appeared to be ...

4 0 Spotted Worm Sea Cucumber

Spotted Worm Sea Cucumber

by SamanthaCravenCebu, Philippines

Sea cucumbers are Echinoderms [class Holothuroidea]. They are generally ...

0 0 Sea cucumber

Sea cucumber

by joanbstanley

Sea cucumbers are soft-bodied animals and belong to

6 4 Collector urchin

Collector urchin

by JordiPratsGorontalo, Indonesia

About 15cm in size. Dark in colour with white spines. The pedicles are also ...

9 7 blue star

blue star

by JordiPratsGorontalo, Indonesia

About 30cm in diameter, tubular-elongated arms with rounded tips.

1 0 Fancy Brittle star

Fancy Brittle star

by JordiPratsBali, Indonesia

A brown starfish with dark pattern, rounded central disc. The legs are long and ...

3 4 Horned Sea Star

Horned Sea Star

by JordiPratsBali, Indonesia

About 25cm large, 5 bold arms pale colour, with black conical spikes arranged ...

1 0 blue star

blue star

by JordiPratsNusa Tenggara Timur, Indonesia

About 30cm in diameter, tubular-elongated arms with rounded tips.

2 0 Heart Urchin shell

Heart Urchin shell

by TajSALDOMimaropa, Philippines

Heart urchin, any echinoid marine invertebrate of the order Spatangoidea (

1 0 Diadema setosum

Diadema setosum

by JordiPratsGorontalo, Indonesia

Around 40mm high, spherical black body with long and narrow black spines in ...

1 2 flower urchin

flower urchin

by JordiPratsGorontalo, Indonesia

Pentaradial symmetrical body, yellowish in colour, mouth centrally located in ...

2 0 Crown-of-thorns starfish

Crown-of-thorns starfish

by JordiPratsGorontalo, Indonesia

About 30cm in size, grey-green color, with a central disk and flexible, ...

6 2 Crinoid

Crinoid

by AlbertKangBatangas, Philippines

Crinoids are marine animals that make up the class Crinoidea of the echinoderms ...

16 5 Crinoid

Crinoid

by AlbertKangIndonesia

Crinoids are marine animals that make up the class Crinoidea of the echinoderms ...

3 0 Carpet Sea Star

Carpet Sea Star

by Leuba RidgwayVictoria, Australia

An eight-armed sea star with greenish grey colouring. The arms showed some red ...

11 3 Slate-pencil Urchin

Slate-pencil Urchin

by Leuba RidgwayVictoria, Australia

This sea urchin would have been about 50 mm across. It had probably just died ...

3 6 Crinoid Fossil

Crinoid Fossil

by Phil SWilloughby, Ohio, USA

crinoid. Crinoids are marine animals that make up the class Crinoidea of the ...

0 1 Crinoid Fossil

Crinoid Fossil

by Phil SWilloughby Hills, Ohio, USA

make up the class Crinoidea of the echinoderms (

1 0 Crinoid Fossil

Crinoid Fossil

by Phil SOhio, USA

(phylum

0 0 Tiger Tail

Tiger Tail

by thomas.j.manesHawaii, USA

Sea cucumbers are from the phylum

13 5 Crinoid

Crinoid

by AlbertKangBatangas, Philippines

Crinoidea of the echinoderms (phylum

Noah Guardians
Noah Sponsors
join Project Noah Team

Join the Project Noah Team