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

Sea Star, Sea Urchin or Ally (Echinodermata) sightings

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Sea Stars, Sea Urchins & allies (Echinodermata)

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

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Heliocidaris erythrogramma (Sea Urchin) at Green Cape, NSW - 21 Jun 2025 by Hejor1

Heliocidaris erythrogramma

Coscinasterias muricata (Eleven-armed Seastar) at Green Cape, NSW - 21 Jun 2025 by Hejor1

Coscinasterias muricata

Heliocidaris erythrogramma (Sea Urchin) at Green Cape, NSW - 21 Jun 2025 by Hejor1

Heliocidaris erythrogramma

Meridiastra calcar (Eight arm Seastar) at Green Cape, NSW - 21 Jun 2025 by Hejor1

Meridiastra calcar

Parvulastra exigua (Rock pool seastar) at Green Cape, NSW - 21 Jun 2025 by Hejor1

Parvulastra exigua

Coscinasterias muricata (Eleven-armed Seastar) at Tomakin, NSW - 3 Jun 2025 by Char

Coscinasterias muricata

Meridiastra calcar (Eight arm Seastar) at Broulee, NSW - 25 Jan 2025 by Hejor1

Meridiastra calcar

Heliocidaris erythrogramma (Sea Urchin) at Broulee, NSW - 25 Jan 2025 by Hejor1

Heliocidaris erythrogramma

Parvulastra exigua (Rock pool seastar) at Broulee, NSW - 25 Jan 2025 by Hejor1

Parvulastra exigua

Parvulastra exigua (Rock pool seastar) at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Parvulastra exigua

Parvulastra exigua (Rock pool seastar) at Vincentia, NSW - 20 Dec 2024 by Miranda

Parvulastra exigua

Parvulastra exigua (Rock pool seastar) at Malua Bay, NSW - 19 Dec 2024 by Hejor1

Parvulastra exigua

Meridiastra calcar (Eight arm Seastar) at Green Cape, NSW - 7 Dec 2024 by Hejor1

Meridiastra calcar

Ophiarachnella ramsayi (Brittle Star) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Ophiarachnella ramsayi

Heliocidaris erythrogramma (Sea Urchin) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Heliocidaris erythrogramma

Parvulastra exigua (Rock pool seastar) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Parvulastra exigua

Heliocidaris tuberculata (Heliocidaris tuberculata) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Heliocidaris tuberculata

Heliocidaris erythrogramma (Sea Urchin) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Heliocidaris erythrogramma

Parvulastra exigua (Rock pool seastar) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Parvulastra exigua

Heliocidaris erythrogramma (Sea Urchin) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Heliocidaris erythrogramma

Coscinasterias muricata (Eleven-armed Seastar) at Merimbula, NSW - 9 Aug 2024 by Kiren

Coscinasterias muricata

Meridiastra calcar (Eight arm Seastar) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Meridiastra calcar

Parvulastra exigua (Rock pool seastar) at Vincentia, NSW - 4 Oct 2023 by Tapirlord

Parvulastra exigua

Meridiastra calcar (Eight arm Seastar) at Bawley Point, NSW - 22 Aug 2023 by Hejor1

Meridiastra calcar

Heliocidaris erythrogramma (Sea Urchin) at Bawley Point, NSW - 22 Aug 2023 by Hejor1

Heliocidaris erythrogramma

Heliocidaris erythrogramma (Sea Urchin) at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1

Heliocidaris erythrogramma

Heliocidaris erythrogramma (Sea Urchin) at Lilli Pilli, NSW - 17 May 2023 by Hejor1

Heliocidaris erythrogramma

Parvulastra exigua (Rock pool seastar) at Broulee, NSW - 29 Dec 2022 by Hejor1

Parvulastra exigua

Parvulastra exigua (Rock pool seastar) at Tomakin, NSW - 29 May 2022 by MatthewFrawley

Parvulastra exigua

Meridiastra calcar (Eight arm Seastar) at Broulee, NSW - 23 Jan 2022 by JaceWT

Meridiastra calcar

Parvulastra exigua (Rock pool seastar) at Dalmeny, NSW - 17 Oct 2020 by Laserchemisty

Parvulastra exigua

Parvulastra exigua (Rock pool seastar) at Batemans Marine Park - 29 Sep 2020 by MattFox

Parvulastra exigua

Heliocidaris tuberculata (Heliocidaris tuberculata) at Dalmeny, NSW - 30 Jul 2020 by Laserchemisty

Heliocidaris tuberculata

Plectaster decanus (Seastar) at Wapengo, NSW - 19 Jul 2020 by JackieLambert

Plectaster decanus

Parvulastra exigua (Rock pool seastar) at Bawley Point, NSW - 7 Jun 2020 by melanoxylon

Parvulastra exigua

Coscinasterias muricata (Eleven-armed Seastar) at Merimbula, NSW - 18 May 2020 by SueMuffler

Coscinasterias muricata

Nectria ocellata (Mosaic Seastar) at Merimbula, NSW - 12 Dec 2019 by Luka

Nectria ocellata

Asterodiscides truncatus (Asterodiscides truncatus) at Merimbula, NSW - 12 Dec 2019 by Luka

Asterodiscides truncatus

Plectaster decanus (Seastar) at Merimbula, NSW - 12 Dec 2019 by Luka

Plectaster decanus

Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 22 Nov 2019 by Maggie1

Coscinasterias muricata

Astropecten vappa (A sea star) at Eden, NSW - 9 Nov 2019 by Harrison

Astropecten vappa

Meridiastra calcar (Eight arm Seastar) at Murrah, NSW - 26 Oct 2019 by jacquivt

Meridiastra calcar

Parvulastra exigua (Rock pool seastar) at Murrah, NSW - 26 Oct 2019 by jacquivt

Parvulastra exigua

Coscinasterias muricata (Eleven-armed Seastar) at Jervis Bay, JBT - 26 May 2019 by kdm

Coscinasterias muricata

Echinocardium cordatum (Heart Urchin) at Tura Beach, NSW - 20 Mar 2019 by Steff

Echinocardium cordatum

Holopneustes purpurascens (Sea Urchin) at Bawley Point, NSW - 20 Feb 2019 by GLemann

Holopneustes purpurascens

Meridiastra calcar (Eight arm Seastar) at Bawley Point, NSW - 22 Jan 2019 by GLemann

Meridiastra calcar

Coscinasterias muricata (Eleven-armed Seastar) at Merimbula, NSW - 2 Jan 2019 by SapphireCoastMarineDiscoveryCentre

Coscinasterias muricata

Meridiastra calcar (Eight arm Seastar) at Merimbula, NSW - 29 Apr 2018 by RossMannell

Meridiastra calcar

Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 23 Dec 2017 by SteveHepburn

Coscinasterias muricata

Heliocidaris erythrogramma (Sea Urchin) at Narooma, NSW - 9 Apr 2017 by Jennyncmg

Heliocidaris erythrogramma

Ophionereis schayeri (Banded Brittle Star) at Narooma, NSW - 9 Apr 2017 by Jennyncmg

Ophionereis schayeri

Meridiastra calcar (Eight arm Seastar) at Four Winds Bioblitz Reference Sites - 12 Nov 2016 by Jennyncmg

Meridiastra calcar

Chiridota gigas (Sea Cucumber) at Four Winds Bioblitz Reference Sites - 12 Nov 2016 by Jennyncmg

Chiridota gigas

Heliocidaris erythrogramma (Sea Urchin) at Four Winds Bioblitz Reference Sites - 12 Nov 2016 by Jennyncmg

Heliocidaris erythrogramma

Heliocidaris erythrogramma (Sea Urchin) at Four Winds Bioblitz Reference Sites - 11 Nov 2016 by Jennyncmg

Heliocidaris erythrogramma

Meridiastra calcar (Eight arm Seastar) at Four Winds Bioblitz Reference Sites - 11 Nov 2016 by Jennyncmg

Meridiastra calcar

Asterodiscides truncatus (Asterodiscides truncatus) at Merimbula, NSW - 5 Jul 2015 by rickcarey

Asterodiscides truncatus

Ophionereis schayeri (Banded Brittle Star) at Narooma, NSW - 31 May 2015 by MichaelMcMaster

Ophionereis schayeri

Chiridota gigas (Sea Cucumber) at Narooma, NSW - 31 May 2015 by MichaelMcMaster

Chiridota gigas

Centrostephanus rodgersii (Black Sea Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster

Centrostephanus rodgersii

Phyllacanthus parvispinus (Pencil Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster

Phyllacanthus parvispinus

Pentagonaster dubeni (Pentagonaster dubeni) at Merimbula, NSW - 10 Feb 2015 by rickcarey

Pentagonaster dubeni

Nectria ocellata (Mosaic Seastar) at Eden, NSW - 4 Feb 2014 by rickcarey

Nectria ocellata

Plectaster decanus (Seastar) at The Blue Pool, Bermagui - 8 Sep 2013 by CarB

Plectaster decanus

Asterodiscides truncatus (Asterodiscides truncatus) at Tathra, NSW - 13 Apr 2013 by Tathradiving

Asterodiscides truncatus

Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 7 Apr 2013 by CarB

Coscinasterias muricata

Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 10 Mar 2013 by CarB

Coscinasterias muricata

Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 25 Jan 2013 by CarB

Coscinasterias muricata

Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 12 Jan 2013 by robndane

Coscinasterias muricata

Parvulastra exigua (Rock pool seastar) at Wallaga Lake, NSW - 30 Mar 2012 by MichaelMcMaster

Parvulastra exigua

Heliocidaris erythrogramma (Sea Urchin) at Wallaga Lake, NSW - 30 Mar 2012 by MichaelMcMaster

Heliocidaris erythrogramma

Chiridota gigas (Sea Cucumber) at Wallaga Lake, NSW - 28 Mar 2012 by MichaelMcMaster

Chiridota gigas

Meridiastra calcar (Eight arm Seastar) at - 8 Jan 2012 by CarB

Meridiastra calcar

Meridiastra calcar (Eight arm Seastar) at Merimbula, NSW - 6 Dec 2011 by MichaelMcMaster

Meridiastra calcar

Heliocidaris erythrogramma (Sea Urchin) at Nelson, NSW - 1 Jan 2011 by jks

Heliocidaris erythrogramma

Heliocidaris erythrogramma (Sea Urchin) at Green Cape, NSW - 21 Jun 2025 by Hejor1
Coscinasterias muricata (Eleven-armed Seastar) at Green Cape, NSW - 21 Jun 2025 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Green Cape, NSW - 21 Jun 2025 by Hejor1
Meridiastra calcar (Eight arm Seastar) at Green Cape, NSW - 21 Jun 2025 by Hejor1
Parvulastra exigua (Rock pool seastar) at Green Cape, NSW - 21 Jun 2025 by Hejor1
Coscinasterias muricata (Eleven-armed Seastar) at Tomakin, NSW - 3 Jun 2025 by Char
Meridiastra calcar (Eight arm Seastar) at Broulee, NSW - 25 Jan 2025 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Broulee, NSW - 25 Jan 2025 by Hejor1
Parvulastra exigua (Rock pool seastar) at Broulee, NSW - 25 Jan 2025 by Hejor1
Parvulastra exigua (Rock pool seastar) at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Parvulastra exigua (Rock pool seastar) at Vincentia, NSW - 20 Dec 2024 by Miranda
Parvulastra exigua (Rock pool seastar) at Malua Bay, NSW - 19 Dec 2024 by Hejor1
Meridiastra calcar (Eight arm Seastar) at Green Cape, NSW - 7 Dec 2024 by Hejor1
Ophiarachnella ramsayi (Brittle Star) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Parvulastra exigua (Rock pool seastar) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Heliocidaris tuberculata (Heliocidaris tuberculata) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Parvulastra exigua (Rock pool seastar) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Coscinasterias muricata (Eleven-armed Seastar) at Merimbula, NSW - 9 Aug 2024 by Kiren
Meridiastra calcar (Eight arm Seastar) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Parvulastra exigua (Rock pool seastar) at Vincentia, NSW - 4 Oct 2023 by Tapirlord
Meridiastra calcar (Eight arm Seastar) at Bawley Point, NSW - 22 Aug 2023 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Bawley Point, NSW - 22 Aug 2023 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1
Heliocidaris erythrogramma (Sea Urchin) at Lilli Pilli, NSW - 17 May 2023 by Hejor1
Parvulastra exigua (Rock pool seastar) at Broulee, NSW - 29 Dec 2022 by Hejor1
Parvulastra exigua (Rock pool seastar) at Tomakin, NSW - 29 May 2022 by MatthewFrawley
Meridiastra calcar (Eight arm Seastar) at Broulee, NSW - 23 Jan 2022 by JaceWT
Parvulastra exigua (Rock pool seastar) at Dalmeny, NSW - 17 Oct 2020 by Laserchemisty
Parvulastra exigua (Rock pool seastar) at Batemans Marine Park - 29 Sep 2020 by MattFox
Heliocidaris tuberculata (Heliocidaris tuberculata) at Dalmeny, NSW - 30 Jul 2020 by Laserchemisty
Plectaster decanus (Seastar) at Wapengo, NSW - 19 Jul 2020 by JackieLambert
Parvulastra exigua (Rock pool seastar) at Bawley Point, NSW - 7 Jun 2020 by melanoxylon
Coscinasterias muricata (Eleven-armed Seastar) at Merimbula, NSW - 18 May 2020 by SueMuffler
Nectria ocellata (Mosaic Seastar) at Merimbula, NSW - 12 Dec 2019 by Luka
Asterodiscides truncatus (Asterodiscides truncatus) at Merimbula, NSW - 12 Dec 2019 by Luka
Plectaster decanus (Seastar) at Merimbula, NSW - 12 Dec 2019 by Luka
Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 22 Nov 2019 by Maggie1
Astropecten vappa (A sea star) at Eden, NSW - 9 Nov 2019 by Harrison
Meridiastra calcar (Eight arm Seastar) at Murrah, NSW - 26 Oct 2019 by jacquivt
Parvulastra exigua (Rock pool seastar) at Murrah, NSW - 26 Oct 2019 by jacquivt
Coscinasterias muricata (Eleven-armed Seastar) at Jervis Bay, JBT - 26 May 2019 by kdm
Echinocardium cordatum (Heart Urchin) at Tura Beach, NSW - 20 Mar 2019 by Steff
Holopneustes purpurascens (Sea Urchin) at Bawley Point, NSW - 20 Feb 2019 by GLemann
Meridiastra calcar (Eight arm Seastar) at Bawley Point, NSW - 22 Jan 2019 by GLemann
Coscinasterias muricata (Eleven-armed Seastar) at Merimbula, NSW - 2 Jan 2019 by SapphireCoastMarineDiscoveryCentre
Meridiastra calcar (Eight arm Seastar) at Merimbula, NSW - 29 Apr 2018 by RossMannell
Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 23 Dec 2017 by SteveHepburn
Heliocidaris erythrogramma (Sea Urchin) at Narooma, NSW - 9 Apr 2017 by Jennyncmg
Ophionereis schayeri (Banded Brittle Star) at Narooma, NSW - 9 Apr 2017 by Jennyncmg
Meridiastra calcar (Eight arm Seastar) at Four Winds Bioblitz Reference Sites - 12 Nov 2016 by Jennyncmg
Chiridota gigas (Sea Cucumber) at Four Winds Bioblitz Reference Sites - 12 Nov 2016 by Jennyncmg
Heliocidaris erythrogramma (Sea Urchin) at Four Winds Bioblitz Reference Sites - 12 Nov 2016 by Jennyncmg
Heliocidaris erythrogramma (Sea Urchin) at Four Winds Bioblitz Reference Sites - 11 Nov 2016 by Jennyncmg
Meridiastra calcar (Eight arm Seastar) at Four Winds Bioblitz Reference Sites - 11 Nov 2016 by Jennyncmg
Asterodiscides truncatus (Asterodiscides truncatus) at Merimbula, NSW - 5 Jul 2015 by rickcarey
Ophionereis schayeri (Banded Brittle Star) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Chiridota gigas (Sea Cucumber) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Centrostephanus rodgersii (Black Sea Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Phyllacanthus parvispinus (Pencil Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Pentagonaster dubeni (Pentagonaster dubeni) at Merimbula, NSW - 10 Feb 2015 by rickcarey
Nectria ocellata (Mosaic Seastar) at Eden, NSW - 4 Feb 2014 by rickcarey
Plectaster decanus (Seastar) at The Blue Pool, Bermagui - 8 Sep 2013 by CarB
Asterodiscides truncatus (Asterodiscides truncatus) at Tathra, NSW - 13 Apr 2013 by Tathradiving
Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 7 Apr 2013 by CarB
Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 10 Mar 2013 by CarB
Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 25 Jan 2013 by CarB
Coscinasterias muricata (Eleven-armed Seastar) at The Blue Pool, Bermagui - 12 Jan 2013 by robndane
Parvulastra exigua (Rock pool seastar) at Wallaga Lake, NSW - 30 Mar 2012 by MichaelMcMaster
Heliocidaris erythrogramma (Sea Urchin) at Wallaga Lake, NSW - 30 Mar 2012 by MichaelMcMaster
Chiridota gigas (Sea Cucumber) at Wallaga Lake, NSW - 28 Mar 2012 by MichaelMcMaster
Meridiastra calcar (Eight arm Seastar) at - 8 Jan 2012 by CarB
Meridiastra calcar (Eight arm Seastar) at Merimbula, NSW - 6 Dec 2011 by MichaelMcMaster
Heliocidaris erythrogramma (Sea Urchin) at Nelson, NSW - 1 Jan 2011 by jks
816,526 sightings of 23,393 species from 14,827 members
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