Alex Mustard / Plumose anemones (Metridium senile) and common starfish (Asterias rubens) beneath the sun in a Norwegian Fjord. Gulen, Bergen, Norway. North East Atlantic Ocean.

Sue Daly / Red sea star (Echinaster sepositus) and bryozoans fauna. Channel Islands, UK July. Highly commended, 'Habitat' category, British Wildlife Photography Awards (BWPA) competition 2012.

Alex Mustard / 2020VISION / Common / Red sunstar (Crossaster papposus) amongst Dead man's fingers (Alcyonium digitatum) on a rocky reef, beneath kelp. Shetland Islands, Scotland, UK, June.

Juergen Freund / Blue sea star on massive Boulder coral (Gardineroseris planulata) North Sulawesi, Indonesia. This coral species is normally found from the Red Sea to Central America, and is relatively uncommon in the...

Juergen Freund / Star shaped Pincushion / Pillow cushion starfish (Culcita novaeguinea), detail of the underbelly. Lembeh Strait, North Sulawesi, Indonesia.

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

Juergen Freund / A small Necklace sea star (Fromia monilis) on larger Blue sea star (Linckia laevigata) Sipadan, Malaysia

Sue Daly / Large group of Sunflower sea stars (Asterias / Pycnopodia helianthoides) covering rock, pacific coast, Canada, August

Wild Wonders of Europe / Lundgren / Kelp with Common / Red sunstar (Crossaster papposus) and shells, Moere coastline, Norway, February 2009

Jeff Rotman / Northern Red Anemone (Tealia crassicornis / Urticina felina) feeding on Forbes starfish (Asterias forbesi). Bay of Fundy, Canada, Atlantic Ocean.

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

Fred Bavendam / Red Biscuit Star (Pentagonaster dubeni), Jervis Bay, New South Wales, Australia