Marine Invertebrates
Sea Stars, Sea Urchins & allies (Echinodermata)

Sea Stars, Sea Urchins & allies (Echinodermata)

Add a sighting Subscribe

Sea Stars, Sea Urchins & allies (Echinodermata)

Sea Stars (Asteroidea)
Brittle Stars (Ophiuroidea)
Sea Urchins (Echinoidea)
Sea Cucumbers (Holothuroidea)
Feather Stars, Sea Lilies (Crinoidea)

Featured sightings

Latest sightings

Unidentified Sea Star, Sea Urchin or Ally (Echinodermata) at Torquay, QLD by GG
Unidentified Sea Star, Sea Urchin or Ally (Echinodermata) at Torquay, QLD by GG
Parvulastra exigua at Depot Beach, NSW by AlisonMilton
Parvulastra exigua (Rock pool seastar) at Guerilla Bay, NSW by Hejor1
Parvulastra exigua (Rock pool seastar) at Malua Bay, NSW by Hejor1
Heliocidaris tuberculata at Malua Bay, NSW by Hejor1
Parvulastra exigua (Rock pool seastar) at Vincentia, NSW by Miranda

Moderators

become a moderator

Announcements

Discussion

Hejor1 wrote:
21 Dec 2024
@Jennyncmg thank you
Heliocidaris tuberculata
Jennyncmg wrote:
21 Dec 2024
I suggested H tuberculata because some of the spines appear to be reddish colour near the tips
Heliocidaris tuberculata
GlossyGal wrote:
8 Jul 2024
It is a beautiful thing isn't it!
Asteroidea (class)
MichaelBedingfield wrote:
8 Jul 2024
Great photo, would love to find out the species.
Asteroidea (class)
BushRenegade wrote:
20 Mar 2024
Parvulastra exigua is a small five armed sea star. Note the above has at least eight arms and is more likely M. calcar eight armed or carpet sea star so named due to its colour patterning
Meridiastra calcar

Recent activity

Parvulastra exigua

Parvulastra exigua at Guerilla Bay, NSW

Parvulastra exigua at Guerilla Bay, NSW

Parvulastra exigua at Malua Bay, NSW

Heliocidaris tuberculata

Parvulastra exigua at Vincentia, NSW

Parvulastra exigua at Malua Bay, NSW

Heliocidaris erythrogramma

Parvulastra exigua at Vincentia, NSW

Species Richness Score (SRS)

Top contributors

Top moderators

1,905,479 sightings of 21,334 species from 13,137 contributors
CCA 3.0 | privacy
We acknowledge the Traditional Owners of this land and acknowledge their continuing connection to their culture. We pay our respects to their Elders past and present.