Sealife guideThe vermillion sea starMediaster aequalis

Last updated on 08/20/2024 at 08:58 PM
Taxonomy
  • Common name: Vermillion sea star
  • French name: Etoile de mer vermillon
  • Scientific name: Mediaster aequalis (Stimpson, 1857)
  • Family name: Goniasteridae
  • Order name: Valvatida
  • Class name: The starfish [Asteroidea]
Geographic range
The vermillion starfish is found in the cold waters of the northeastern Pacific Ocean. It is commonly encountered along the coast from Alaska in the north to British Columbia in the south.
The vermillion sea star (Mediaster aequalis)
The vermillion sea star (Mediaster aequalis) ©  | Dreamstime.com
Within the same family
Biscuit sea star (Peltaster placenta)
Biscuit sea star
(Peltaster placenta)
Necklace sea star (Fromia monilis)
Necklace sea star
(Fromia monilis)
Noduled sea star (Fromia nodosa)
Noduled sea star
(Fromia nodosa)
Discover also
Blue spiny starfish (Coscinasterias tenuispina)
Blue spiny starfish
(Coscinasterias tenuispina)
Cushion starfish (Culcita novaeguineae)
Cushion starfish
(Culcita novaeguineae)
Egyptian sea star (Gomophia egyptiaca)
Egyptian sea star
(Gomophia egyptiaca)
Graeffe's sea cucumber (Pearsonothuria graeffei)
Graeffe's sea cucumber
(Pearsonothuria graeffei)
Hatpin sea urchin (Centrostephanus longispinus)
Hatpin sea urchin
(Centrostephanus longispinus)
Orange sea cucumber (Cucumaria miniata)
Orange sea cucumber
(Cucumaria miniata)
Purple sea star (Pisaster ochraceus)
Purple sea star
(Pisaster ochraceus)
Stony sea urchin (Paracentrotus lividus)
Stony sea urchin
(Paracentrotus lividus)
The marine species from northeastern Pacific ocean
Banded guitarfish (Zapteryx exasperata)
Banded guitarfish
(Zapteryx exasperata)
Big skate (Raja binoculata)
Big skate
(Raja binoculata)
Glassy tunicate (Ascidia paratropa)
Glassy tunicate
(Ascidia paratropa)
Heart crab (Phyllolithodes papillosus)
Heart crab
(Phyllolithodes papillosus)
Spiny pink scallop (Chlamys hastata)
Spiny pink scallop
(Chlamys hastata)
Vermillion sea star (Mediaster aequalis)
Vermillion sea star
(Mediaster aequalis)

Our latestUpdates

Faroe islands
Thursday, May 7th 2026
Faroe islands
Discover the Faroe islands, a remote archipelago between Iceland and Norway known for its dramatic cliffs, colorful villages, and untouched Nordic landscapes. Find travel tips, itineraries, hiking guides, local culture, and inspiration to explore this unique destination in the North Atlantic.
The short-finned pilot whale
Wednesday, May 6th 2026
The short-finned pilot whale
Discover the tropical pilot whale (Globicephala macrorhynchus), a highly social large cetacean from tropical and subtropical waters, specialized in deep dives in search of squid.
Where to see groupers in the Mediterranean ?
Thursday, April 23rd 2026
Where to see groupers in the Mediterranean ?
Discover where to see groupers in the Mediterranean: the best diving spots and protected marine areas to observe this iconic fish in its natural habitat.
Photo of the Day
Posidonie (Posidonia oceanica)
Posidonie
(Posidonia oceanica)