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Marine Invertebrates
Crabs, Prawns, Barnacles & allies (Crustacea)
Crabs (Decapoda, Brachyura)

Crab sightings

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Crabs (Decapoda, Brachyura)

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Ozius deplanatus at Currarong, NSW - 1 Feb 2025 by Bekconroy

Ozius deplanatus

Guinusia chabrus at Lilli Pilli, NSW - 26 Jan 2025 by Choyster

Guinusia chabrus

Leptograpsus variegatus (Purple Rock Crab) at Broulee, NSW - 25 Jan 2025 by Hejor1

Leptograpsus variegatus

Ozius deplanatus (Ozius deplanatus) at Shellharbour, NSW - 22 Jan 2025 by SteveBorkowskis

Ozius deplanatus

Ozius truncatus at Collaroy, NSW - 18 Jan 2025 by Hejor1

Ozius truncatus

Leptograpsus variegatus at Collaroy, NSW - 18 Jan 2025 by Hejor1

Leptograpsus variegatus

Ocypodidae (family) at Collaroy, NSW - 18 Jan 2025 by Hejor1

Ocypodidae (family)

Leptograpsus variegatus (Purple Rock Crab) at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Leptograpsus variegatus

Ovalipes australiensis at Vincentia, NSW - 21 Dec 2024 by Miranda

Ovalipes australiensis

Leptograpsus variegatus (Purple Rock Crab) at Malua Bay, NSW - 19 Dec 2024 by Hejor1

Leptograpsus variegatus

Leptograpsus variegatus at Lake Tabourie, NSW - 14 Dec 2024 by Medha

Leptograpsus variegatus

Leptograpsus variegatus at Lake Tabourie, NSW - 14 Dec 2024 by VanceLawrence

Leptograpsus variegatus

Leptograpsus variegatus at Green Cape, NSW - 7 Dec 2024 by Hejor1

Leptograpsus variegatus

Ocypode cordimana at Malua Bay, NSW - 1 Dec 2024 by trevorpreston

Ocypode cordimana

Unidentified Crab at Zilzie, QLD - 17 Nov 2024 by trevsci

Unidentified Crab

Unidentified Crab at Zilzie, QLD - 17 Nov 2024 by trevsci

Unidentified Crab

Ocypodidae (family) at Francois Peron National Park, WA - 6 Nov 2024 by HelenCross

Ocypodidae (family)

Ocypodidae (family) at Francois Peron National Park, WA - 6 Nov 2024 by HelenCross

Ocypodidae (family)

Unidentified Crab at Port Fairy, VIC - 1 Nov 2024 by MB

Unidentified Crab

Leptograpsus variegatus at Narooma, NSW - 7 Oct 2024 by BethanyDunne

Leptograpsus variegatus

Leptograpsus variegatus (Purple Rock Crab) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Leptograpsus variegatus

Leptograpsus variegatus (Purple Rock Crab) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Leptograpsus variegatus

Leptograpsus variegatus at Benandarah, NSW - 30 Sep 2024 by Hejor1

Leptograpsus variegatus

Leptograpsus variegatus (Purple Rock Crab) at Batemans Bay, NSW - 29 Sep 2024 by Hejor1

Leptograpsus variegatus

Unidentified Crab at Coodanup, WA - 26 Sep 2024 by Trina

Unidentified Crab

Unidentified Crab at Moreton Island, QLD - 25 Sep 2024 by trevorpreston

Unidentified Crab

Leptograpsus variegatus at Moruya, NSW - 12 Sep 2024 by LisaH

Leptograpsus variegatus

Ocypodidae (family) at Mon Repos, QLD - 24 Aug 2024 by lbradley

Ocypodidae (family)

Unidentified Crab at Wellington Point, QLD - 20 Aug 2024 by Gaylesp8

Unidentified Crab

Metopograpsus sp. (genus) (A Crab) at Airlie Beach, QLD - 19 Aug 2024 by lbradley

Metopograpsus sp. (genus)

Mictyris sp. (genus) at Urangan, QLD - 17 Aug 2024 by BlueBowerArt

Mictyris sp. (genus)

Heloecius cordiformis (Semaphore Crab) at Surfside, NSW - 2 Aug 2024 by HelenCross

Heloecius cordiformis

Mictyris longicarpus (Soldier Crab) at Batemans Bay, NSW - 2 Aug 2024 by HelenCross

Mictyris longicarpus

Unidentified Crab at Cairns City, QLD - 29 Jul 2024 by Mike

Unidentified Crab

Mictyris longicarpus at Elliott Heads, QLD - 5 Jul 2024 by Gaylesp8

Mictyris longicarpus

Leptograpsus variegatus at Coolangatta, QLD - 15 Jun 2024 by Hejor1

Leptograpsus variegatus

Mictyris sp. (genus) at Urangan, QLD - 11 May 2024 by Gaylesp8

Mictyris sp. (genus)

Unidentified Crab at Brunswick Heads, NSW - 3 Apr 2024 by macmad

Unidentified Crab

Heloecius cordiformis (Semaphore Crab) at Orient Point, NSW - 8 Mar 2024 by Christine

Heloecius cordiformis

Paragrapsus laevis at Jervis Bay Marine Park - 21 Jan 2024 by AniseStar

Paragrapsus laevis

Heloecius cordiformis (Semaphore Crab) at Jervis Bay Maritime Museum - 20 Jan 2024 by AniseStar

Heloecius cordiformis

Paragrapsus laevis at Wirreecoo Trail - 20 Jan 2024 by AniseStar

Paragrapsus laevis

Paragrapsus laevis at Jervis Bay Marine Park - 17 Jan 2024 by AniseStar

Paragrapsus laevis

Heloecius cordiformis (Semaphore Crab) at Nelligen, NSW - 17 Dec 2023 by Hejor1

Heloecius cordiformis

Leptograpsus variegatus (Purple Rock Crab) at Meroo National Park - 9 Dec 2023 by VanceLawrence

Leptograpsus variegatus

Unidentified Crab at Wellington Point, QLD - 7 Dec 2023 by TimL

Unidentified Crab

Mictyris longicarpus at Wellington Point, QLD - 7 Dec 2023 by TimL

Mictyris longicarpus

Unidentified Crab at Lake Innes, NSW - 27 Nov 2023 by KorinneM

Unidentified Crab

Unidentified Crab at Cleveland, QLD - 25 Nov 2023 by TimL

Unidentified Crab

Unidentified Crab at Warana, QLD - 19 Nov 2023 by Harrisi

Unidentified Crab

Plagusia chabrus (Red Bait Crab) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Plagusia chabrus

Leptograpsus variegatus (Purple Rock Crab) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Leptograpsus variegatus

Leptograpsus variegatus (Purple Rock Crab) at Four Winds Bioblitz Reference Sites - 2 Sep 2023 by BIrdsinCanberra

Leptograpsus variegatus

Mictyris longicarpus at Bushland Beach, QLD - 25 Aug 2023 by RobynHall

Mictyris longicarpus

Leptograpsus variegatus (Purple Rock Crab) at Bawley Point, NSW - 22 Aug 2023 by Hejor1

Leptograpsus variegatus

Mictyris longicarpus (Soldier Crab) at Batemans Bay, NSW - 27 Jun 2023 by HelenCross

Mictyris longicarpus

Plagusia chabrus (Red Bait Crab) at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1

Plagusia chabrus

Mictyris longicarpus at Wellington Point, QLD - 20 Apr 2023 by TimL

Mictyris longicarpus

Unidentified Crab at Wellington Point, QLD - 20 Apr 2023 by TimL

Unidentified Crab

Ocypode cordimana (Smooth-Handed Ghost Crab) at Green Cape, NSW - 15 Apr 2023 by JimL

Ocypode cordimana

Mictyris longicarpus (Soldier Crab) at Tuross Head, NSW - 12 Feb 2023 by HelenCross

Mictyris longicarpus

Plagusia chabrus at Narrawallee, NSW - 4 Feb 2023 by trevorpreston

Plagusia chabrus

Plagusia chabrus at Narrawallee, NSW - 4 Feb 2023 by trevorpreston

Plagusia chabrus

Leptograpsus variegatus at Narrawallee, NSW - 4 Feb 2023 by trevorpreston

Leptograpsus variegatus

Ocypode cordimana (Smooth-Handed Ghost Crab) at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Ocypode cordimana

Ocypode cordimana (Smooth-Handed Ghost Crab) at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Ocypode cordimana

Plagusia chabrus at Booderee National Park - 19 Jan 2023 by Hejor1

Plagusia chabrus

Leptograpsus variegatus at Currarong, NSW - 18 Jan 2023 by Hejor1

Leptograpsus variegatus

Leptograpsus variegatus at Currarong, NSW - 18 Jan 2023 by Hejor1

Leptograpsus variegatus

Unidentified Crab at Cape Tribulation, QLD - 18 Jan 2023 by Mavis

Unidentified Crab

Ozius deplanatus (Ozius deplanatus) at Broulee, NSW - 6 Jan 2023 by MattFox

Ozius deplanatus

Leptograpsus variegatus (Purple Rock Crab) at Broulee, NSW - 29 Dec 2022 by Hejor1

Leptograpsus variegatus

Carcinus maenas at Broulee, NSW - 29 Dec 2022 by Hejor1

Carcinus maenas

Leptograpsus variegatus at Broulee, NSW - 29 Dec 2022 by Hejor1

Leptograpsus variegatus

Leptograpsus variegatus (Purple Rock Crab) at Broulee, NSW - 29 Dec 2022 by Hejor1

Leptograpsus variegatus

Carcinus maenas at Wallagoot, NSW - 26 Dec 2022 by KylieWaldon

Carcinus maenas

Paragrapsus laevis at Nambucca Heads, NSW - 24 Dec 2022 by trevorpreston

Paragrapsus laevis

Unidentified Crab at Nambucca Heads, NSW - 1 Nov 2022 by trevorpreston

Unidentified Crab

Unidentified Crab at Nambucca Heads, NSW - 30 Oct 2022 by trevorpreston

Unidentified Crab

Unidentified Crab at Urunga, NSW - 29 Oct 2022 by trevorpreston

Unidentified Crab

Leptograpsus variegatus at Nambucca Heads, NSW - 28 Oct 2022 by trevorpreston

Leptograpsus variegatus

Unidentified Crab at Pardoo, WA - 28 Oct 2022 by AaronClausen

Unidentified Crab

Unidentified Crab at Pardoo, WA - 28 Oct 2022 by AaronClausen

Unidentified Crab

Unidentified Crab at Pardoo, WA - 28 Oct 2022 by AaronClausen

Unidentified Crab

Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen

Unidentified Crab

Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen

Unidentified Crab

Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen

Unidentified Crab

Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen

Unidentified Crab

Leptograpsus variegatus at Fishermans Bay, NSW - 23 Sep 2022 by Hejor1

Leptograpsus variegatus

Ocypode cordimana at Narrawallee, NSW - 28 Aug 2022 by trevorpreston

Ocypode cordimana

Plagusia glabra at Narrawallee, NSW - 28 Aug 2022 by trevorpreston

Plagusia glabra

Plagusia glabra (Crab) at Narrawallee, NSW - 28 Aug 2022 by trevorpreston

Plagusia glabra

Mictyris longicarpus (Soldier Crab) at Narooma, NSW - 11 Jul 2022 by GlossyGal

Mictyris longicarpus

Leptograpsus variegatus (Purple Rock Crab) at Guerilla Bay, NSW - 29 May 2022 by MatthewFrawley

Leptograpsus variegatus

Ocypode cordimana at Nambucca Heads, NSW - 28 May 2022 by trevorpreston

Ocypode cordimana

Mictyris longicarpus at East Mackay, QLD - 27 May 2022 by Hejor1

Mictyris longicarpus

Mictyris longicarpus at Bowen, QLD - 29 Apr 2022 by TerryS

Mictyris longicarpus

Mictyris longicarpus at Bowen, QLD - 29 Apr 2022 by TerryS

Mictyris longicarpus

Unidentified Crab at Bowen, QLD - 29 Apr 2022 by TerryS

Unidentified Crab

Unidentified Crab at Bowen, QLD - 29 Apr 2022 by TerryS

Unidentified Crab

Ozius deplanatus at Currarong, NSW - 1 Feb 2025 by Bekconroy
Guinusia chabrus at Lilli Pilli, NSW - 26 Jan 2025 by Choyster
Leptograpsus variegatus (Purple Rock Crab) at Broulee, NSW - 25 Jan 2025 by Hejor1
Ozius deplanatus (Ozius deplanatus) at Shellharbour, NSW - 22 Jan 2025 by SteveBorkowskis
Ozius truncatus at Collaroy, NSW - 18 Jan 2025 by Hejor1
Leptograpsus variegatus at Collaroy, NSW - 18 Jan 2025 by Hejor1
Ocypodidae (family) at Collaroy, NSW - 18 Jan 2025 by Hejor1
Leptograpsus variegatus (Purple Rock Crab) at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Ovalipes australiensis at Vincentia, NSW - 21 Dec 2024 by Miranda
Leptograpsus variegatus (Purple Rock Crab) at Malua Bay, NSW - 19 Dec 2024 by Hejor1
Leptograpsus variegatus at Lake Tabourie, NSW - 14 Dec 2024 by Medha
Leptograpsus variegatus at Lake Tabourie, NSW - 14 Dec 2024 by VanceLawrence
Leptograpsus variegatus at Green Cape, NSW - 7 Dec 2024 by Hejor1
Ocypode cordimana at Malua Bay, NSW - 1 Dec 2024 by trevorpreston
Unidentified Crab at Zilzie, QLD - 17 Nov 2024 by trevsci
Unidentified Crab at Zilzie, QLD - 17 Nov 2024 by trevsci
Ocypodidae (family) at Francois Peron National Park, WA - 6 Nov 2024 by HelenCross
Ocypodidae (family) at Francois Peron National Park, WA - 6 Nov 2024 by HelenCross
Unidentified Crab at Port Fairy, VIC - 1 Nov 2024 by MB
Leptograpsus variegatus at Narooma, NSW - 7 Oct 2024 by BethanyDunne
Leptograpsus variegatus (Purple Rock Crab) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Leptograpsus variegatus (Purple Rock Crab) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Leptograpsus variegatus at Benandarah, NSW - 30 Sep 2024 by Hejor1
Leptograpsus variegatus (Purple Rock Crab) at Batemans Bay, NSW - 29 Sep 2024 by Hejor1
Unidentified Crab at Coodanup, WA - 26 Sep 2024 by Trina
Unidentified Crab at Moreton Island, QLD - 25 Sep 2024 by trevorpreston
Leptograpsus variegatus at Moruya, NSW - 12 Sep 2024 by LisaH
Ocypodidae (family) at Mon Repos, QLD - 24 Aug 2024 by lbradley
Unidentified Crab at Wellington Point, QLD - 20 Aug 2024 by Gaylesp8
Metopograpsus sp. (genus) (A Crab) at Airlie Beach, QLD - 19 Aug 2024 by lbradley
Mictyris sp. (genus) at Urangan, QLD - 17 Aug 2024 by BlueBowerArt
Heloecius cordiformis (Semaphore Crab) at Surfside, NSW - 2 Aug 2024 by HelenCross
Mictyris longicarpus (Soldier Crab) at Batemans Bay, NSW - 2 Aug 2024 by HelenCross
Unidentified Crab at Cairns City, QLD - 29 Jul 2024 by Mike
Mictyris longicarpus at Elliott Heads, QLD - 5 Jul 2024 by Gaylesp8
Leptograpsus variegatus at Coolangatta, QLD - 15 Jun 2024 by Hejor1
Mictyris sp. (genus) at Urangan, QLD - 11 May 2024 by Gaylesp8
Unidentified Crab at Brunswick Heads, NSW - 3 Apr 2024 by macmad
Heloecius cordiformis (Semaphore Crab) at Orient Point, NSW - 8 Mar 2024 by Christine
Paragrapsus laevis at Jervis Bay Marine Park - 21 Jan 2024 by AniseStar
Heloecius cordiformis (Semaphore Crab) at Jervis Bay Maritime Museum - 20 Jan 2024 by AniseStar
Paragrapsus laevis at Wirreecoo Trail - 20 Jan 2024 by AniseStar
Paragrapsus laevis at Jervis Bay Marine Park - 17 Jan 2024 by AniseStar
Heloecius cordiformis (Semaphore Crab) at Nelligen, NSW - 17 Dec 2023 by Hejor1
Leptograpsus variegatus (Purple Rock Crab) at Meroo National Park - 9 Dec 2023 by VanceLawrence
Unidentified Crab at Wellington Point, QLD - 7 Dec 2023 by TimL
Mictyris longicarpus at Wellington Point, QLD - 7 Dec 2023 by TimL
Unidentified Crab at Lake Innes, NSW - 27 Nov 2023 by KorinneM
Unidentified Crab at Cleveland, QLD - 25 Nov 2023 by TimL
Unidentified Crab at Warana, QLD - 19 Nov 2023 by Harrisi
Plagusia chabrus (Red Bait Crab) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Leptograpsus variegatus (Purple Rock Crab) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Leptograpsus variegatus (Purple Rock Crab) at Four Winds Bioblitz Reference Sites - 2 Sep 2023 by BIrdsinCanberra
Mictyris longicarpus at Bushland Beach, QLD - 25 Aug 2023 by RobynHall
Leptograpsus variegatus (Purple Rock Crab) at Bawley Point, NSW - 22 Aug 2023 by Hejor1
Mictyris longicarpus (Soldier Crab) at Batemans Bay, NSW - 27 Jun 2023 by HelenCross
Plagusia chabrus (Red Bait Crab) at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1
Mictyris longicarpus at Wellington Point, QLD - 20 Apr 2023 by TimL
Unidentified Crab at Wellington Point, QLD - 20 Apr 2023 by TimL
Ocypode cordimana (Smooth-Handed Ghost Crab) at Green Cape, NSW - 15 Apr 2023 by JimL
Mictyris longicarpus (Soldier Crab) at Tuross Head, NSW - 12 Feb 2023 by HelenCross
Plagusia chabrus at Narrawallee, NSW - 4 Feb 2023 by trevorpreston
Plagusia chabrus at Narrawallee, NSW - 4 Feb 2023 by trevorpreston
Leptograpsus variegatus at Narrawallee, NSW - 4 Feb 2023 by trevorpreston
Ocypode cordimana (Smooth-Handed Ghost Crab) at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Ocypode cordimana (Smooth-Handed Ghost Crab) at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Plagusia chabrus at Booderee National Park - 19 Jan 2023 by Hejor1
Leptograpsus variegatus at Currarong, NSW - 18 Jan 2023 by Hejor1
Leptograpsus variegatus at Currarong, NSW - 18 Jan 2023 by Hejor1
Unidentified Crab at Cape Tribulation, QLD - 18 Jan 2023 by Mavis
Ozius deplanatus (Ozius deplanatus) at Broulee, NSW - 6 Jan 2023 by MattFox
Leptograpsus variegatus (Purple Rock Crab) at Broulee, NSW - 29 Dec 2022 by Hejor1
Carcinus maenas at Broulee, NSW - 29 Dec 2022 by Hejor1
Leptograpsus variegatus at Broulee, NSW - 29 Dec 2022 by Hejor1
Leptograpsus variegatus (Purple Rock Crab) at Broulee, NSW - 29 Dec 2022 by Hejor1
Carcinus maenas at Wallagoot, NSW - 26 Dec 2022 by KylieWaldon
Paragrapsus laevis at Nambucca Heads, NSW - 24 Dec 2022 by trevorpreston
Unidentified Crab at Nambucca Heads, NSW - 1 Nov 2022 by trevorpreston
Unidentified Crab at Nambucca Heads, NSW - 30 Oct 2022 by trevorpreston
Unidentified Crab at Urunga, NSW - 29 Oct 2022 by trevorpreston
Leptograpsus variegatus at Nambucca Heads, NSW - 28 Oct 2022 by trevorpreston
Unidentified Crab at Pardoo, WA - 28 Oct 2022 by AaronClausen
Unidentified Crab at Pardoo, WA - 28 Oct 2022 by AaronClausen
Unidentified Crab at Pardoo, WA - 28 Oct 2022 by AaronClausen
Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen
Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen
Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen
Unidentified Crab at Pardoo, WA - 27 Oct 2022 by AaronClausen
Leptograpsus variegatus at Fishermans Bay, NSW - 23 Sep 2022 by Hejor1
Ocypode cordimana at Narrawallee, NSW - 28 Aug 2022 by trevorpreston
Plagusia glabra at Narrawallee, NSW - 28 Aug 2022 by trevorpreston
Plagusia glabra (Crab) at Narrawallee, NSW - 28 Aug 2022 by trevorpreston
Mictyris longicarpus (Soldier Crab) at Narooma, NSW - 11 Jul 2022 by GlossyGal
Leptograpsus variegatus (Purple Rock Crab) at Guerilla Bay, NSW - 29 May 2022 by MatthewFrawley
Ocypode cordimana at Nambucca Heads, NSW - 28 May 2022 by trevorpreston
Mictyris longicarpus at East Mackay, QLD - 27 May 2022 by Hejor1
Mictyris longicarpus at Bowen, QLD - 29 Apr 2022 by TerryS
Mictyris longicarpus at Bowen, QLD - 29 Apr 2022 by TerryS
Unidentified Crab at Bowen, QLD - 29 Apr 2022 by TerryS
Unidentified Crab at Bowen, QLD - 29 Apr 2022 by TerryS

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1,909,183 sightings of 21,451 species from 13,272 contributors
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