Unidentified
Marine Algae & Seaweeds

Unidentified Marine Algae & Seaweeds

Can you identify any of the following sightings?

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Ulva lactuca at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Ulva lactuca

Hejor1
Scytosiphonaceae (family) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Scytosiphonaceae (family)

Hejor1
Lithothamnion sp. (genus) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Lithothamnion sp. (genus)

Hejor1
Lithothamnion sp. (genus) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Lithothamnion sp. (genus)

Hejor1
Cladophora feredayi at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Cladophora feredayi

Hejor1
Ecklonia radiata at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Ecklonia radiata

Hejor1
Champia compressa at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Champia compressa

Hejor1
Colpomenia peregrina at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Colpomenia peregrina

Hejor1
Corallina officinalis at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Corallina officinalis

Hejor1
Hormosira banksii at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Hormosira banksii

Hejor1
Ulva sp. (genus) at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Ulva sp. (genus)

Hejor1
Lithothamnion sp. (genus) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Lithothamnion sp. (genus)

Hejor1
Ceramiaceae (family) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Ceramiaceae (family)

Hejor1
Codium fragile at Benandarah, NSW - 30 Sep 2024 by Hejor1

Codium fragile

Hejor1
Phyllospora comosa at Benandarah, NSW - 30 Sep 2024 by Hejor1

Phyllospora comosa

Hejor1
Scytosiphonaceae (family) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Scytosiphonaceae (family)

Hejor1
Champia compressa at Benandarah, NSW - 30 Sep 2024 by Hejor1

Champia compressa

Hejor1
Hormosira banksii at Benandarah, NSW - 30 Sep 2024 by Hejor1

Hormosira banksii

Hejor1
Colpomenia peregrina at Benandarah, NSW - 30 Sep 2024 by Hejor1

Colpomenia peregrina

Hejor1
Ulva sp. (genus) at Benandarah, NSW - 30 Sep 2024 by Hejor1

Ulva sp. (genus)

Hejor1
Corallina officinalis at Benandarah, NSW - 30 Sep 2024 by Hejor1

Corallina officinalis

Hejor1
Unidentified Marine Alga & Seaweed at Bilingurr, WA - 11 Sep 2024 by Mike

Unidentified Marine Alga & Seaweed

Mike
Unidentified Marine Alga & Seaweed at BA124 - 28 Jun 2024 by WalterEgo

Unidentified Marine Alga & Seaweed

WalterEgo
Ceramiaceae (family) at Coolangatta, QLD - 14 Jun 2024 by Hejor1

Ceramiaceae (family)

Hejor1
Ulva lactuca at Currumbin, QLD - 9 Jun 2024 by Hejor1

Ulva lactuca

Hejor1
Caulerpa cactoides at Vincentia, NSW - 16 Apr 2024 by RobG1

Caulerpa cactoides

RobG1
Unidentified Marine Alga & Seaweed at Wairo Beach and Dolphin Point - 24 Feb 2024 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Codium fragile at Wairo Beach and Dolphin Point - 24 Feb 2024 by trevorpreston

Codium fragile

trevorpreston
Hormosira banksii at Tomahawk, TAS - 22 Feb 2024 by BushRenegade

Hormosira banksii

BushRenegade
Unidentified Marine Alga & Seaweed at Tomahawk, TAS - 22 Feb 2024 by BushRenegade

Unidentified Marine Alga & Seaweed

BushRenegade
Unidentified Marine Alga & Seaweed at Huskisson, NSW - 18 Jan 2024 by AniseStar

Unidentified Marine Alga & Seaweed

AniseStar
Unidentified Marine Alga & Seaweed at Huskisson, NSW - 18 Jan 2024 by AniseStar

Unidentified Marine Alga & Seaweed

AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar

Unidentified Marine Alga & Seaweed

AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar

Unidentified Marine Alga & Seaweed

AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar

Unidentified Marine Alga & Seaweed

AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar

Unidentified Marine Alga & Seaweed

AniseStar
Hormosira banksii at Vincentia, NSW - 4 Oct 2023 by Tapirlord

Hormosira banksii

Tapirlord
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Colpomenia sinuosa at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1

Colpomenia sinuosa

Hejor1
Lobophora variegata at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1

Lobophora variegata

Hejor1
Lobophora variegata at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1

Lobophora variegata

Hejor1
Codium fragile at Lilli Pilli, NSW - 17 May 2023 by Hejor1

Codium fragile

Hejor1
Dictyota sp. (genus) at Malua Bay, NSW - 17 May 2023 by Hejor1

Dictyota sp. (genus)

Hejor1
Hormosira banksii at Lilli Pilli, NSW - 17 May 2023 by Hejor1

Hormosira banksii

Hejor1
Lobophora variegata at Lilli Pilli, NSW - 17 May 2023 by Hejor1

Lobophora variegata

Hejor1
Codium fragile at Manyana, NSW - 5 Feb 2023 by trevorpreston

Codium fragile

trevorpreston
Unidentified Marine Alga & Seaweed at Manyana, NSW - 5 Feb 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Champia compressa at Hyams Beach, NSW - 20 Jan 2023 by Hejor1

Champia compressa

Hejor1
Martensia sp. (genus) at Hyams Beach, NSW - 20 Jan 2023 by Hejor1

Martensia sp. (genus)

Hejor1
Champia compressa at Hyams Beach, NSW - 20 Jan 2023 by Hejor1

Champia compressa

Hejor1
Caulerpa geminata at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Caulerpa geminata

Hejor1
Codium fragile at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Codium fragile

Hejor1
Ecklonia radiata at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Ecklonia radiata

Hejor1
Codium fragile at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Codium fragile

Hejor1
Jania sp. (genus) at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Jania sp. (genus)

Hejor1
Hormosira banksii at Jervis Bay, JBT - 19 Jan 2023 by Hejor1

Hormosira banksii

Hejor1
Padina sp. (genus) at Currarong, NSW - 18 Jan 2023 by Hejor1

Padina sp. (genus)

Hejor1
Colpomenia sinuosa at Broulee, NSW - 29 Dec 2022 by Hejor1

Colpomenia sinuosa

Hejor1
Corallina officinalis at Broulee, NSW - 29 Dec 2022 by Hejor1

Corallina officinalis

Hejor1
Codium fragile at Broulee, NSW - 29 Dec 2022 by Hejor1

Codium fragile

Hejor1
Unidentified Marine Alga & Seaweed at Nambucca Heads, NSW - 25 Dec 2022 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Unidentified Marine Alga & Seaweed at Nambucca Heads, NSW - 25 Dec 2022 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Padina sp. (genus) at Nambucca Heads, NSW - 28 Oct 2022 by trevorpreston

Padina sp. (genus)

trevorpreston
Sargassum sp. (genus) at Narrawallee, NSW - 28 Aug 2022 by trevorpreston

Sargassum sp. (genus)

trevorpreston
Hormosira banksii at Narrawallee, NSW - 28 Aug 2022 by trevorpreston

Hormosira banksii

trevorpreston
Phyllospora comosa at Dolphin Point, NSW - 12 Jun 2022 by trevorpreston

Phyllospora comosa

trevorpreston
Unidentified Marine Alga & Seaweed at Dolphin Point, NSW - 12 Jun 2022 by trevorpreston

Unidentified Marine Alga & Seaweed

trevorpreston
Corallina officinalis at Nambucca Heads, NSW - 28 May 2022 by trevorpreston

Corallina officinalis

trevorpreston
Hormosira banksii at Broulee, NSW - 23 Jan 2022 by Tapirlord

Hormosira banksii

Tapirlord
Ulva sp. (genus) at Cowes, VIC - 17 Dec 2021 by Tapirlord

Ulva sp. (genus)

Tapirlord
Hormosira banksii at Cowes, VIC - 17 Dec 2021 by Tapirlord

Hormosira banksii

Tapirlord
Unidentified Marine Alga & Seaweed at Cowes, VIC - 17 Dec 2021 by Tapirlord

Unidentified Marine Alga & Seaweed

Tapirlord
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 14 Aug 2021 by AliClaw

Unidentified Marine Alga & Seaweed

AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 14 Aug 2021 by AliClaw

Unidentified Marine Alga & Seaweed

AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 13 Aug 2021 by AliClaw

Unidentified Marine Alga & Seaweed

AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 13 Aug 2021 by AliClaw

Unidentified Marine Alga & Seaweed

AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 13 Aug 2021 by AliClaw

Unidentified Marine Alga & Seaweed

AliClaw
Asperococcus bullosus at Merimbula, NSW - 17 Jul 2020 by SapphireCoastMarineDiscoveryCentre

Asperococcus bullosus

SapphireCoastMarineDiscoveryCentre
Hormosira banksii at Wapengo, NSW - 26 Mar 2020 by Rose

Hormosira banksii

Rose
Sargassum lacerifolium at Wallagoot, NSW - 27 Oct 2019 by Harrison

Sargassum lacerifolium

Harrison
Unidentified Marine Alga & Seaweed at Murrah, NSW - 26 Oct 2019 by jacquivt

Unidentified Marine Alga & Seaweed

jacquivt
Phyllospora comosa at Batemans Marine Park - 21 Oct 2019 by MatthewFrawley

Phyllospora comosa

MatthewFrawley
Champia compressa at Mogareeka, NSW - 2 Mar 2019 by Maggie1

Champia compressa

Maggie1
Codium fragile at Bawley Point, NSW - 22 Jan 2019 by GLemann

Codium fragile

GLemann
Unidentified Marine Alga & Seaweed at Batemans Marine Park - 26 Mar 2018 by RoyandJenny

Unidentified Marine Alga & Seaweed

RoyandJenny
Phyllospora comosa at Batemans Marine Park - 15 Dec 2016 by Jennyncmg

Phyllospora comosa

Jennyncmg
Champia viridis at Undefined - 29 Jan 2016 by Winston

Champia viridis

Winston
Sargassum sp. (genus) at Narooma, NSW - 30 May 2015 by MichaelMcMaster

Sargassum sp. (genus)

MichaelMcMaster
Durvillaea potatorum at Eden, NSW - 20 Sep 2013 by Seadragon

Durvillaea potatorum

Seadragon
Phyllospora comosa at Eden, NSW - 20 Sep 2013 by Seadragon

Phyllospora comosa

Seadragon
Codium spongiosum at Eden, NSW - 20 Sep 2013 by Seadragon

Codium spongiosum

Seadragon
Ulva lactuca at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Scytosiphonaceae (family) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Lithothamnion sp. (genus) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Lithothamnion sp. (genus) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Cladophora feredayi at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Ecklonia radiata at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Champia compressa at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Colpomenia peregrina at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Corallina officinalis at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Hormosira banksii at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Ulva sp. (genus) at Malua Bay, NSW - 1 Oct 2024 by Hejor1
Lithothamnion sp. (genus) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Ceramiaceae (family) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Codium fragile at Benandarah, NSW - 30 Sep 2024 by Hejor1
Phyllospora comosa at Benandarah, NSW - 30 Sep 2024 by Hejor1
Scytosiphonaceae (family) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Champia compressa at Benandarah, NSW - 30 Sep 2024 by Hejor1
Hormosira banksii at Benandarah, NSW - 30 Sep 2024 by Hejor1
Colpomenia peregrina at Benandarah, NSW - 30 Sep 2024 by Hejor1
Ulva sp. (genus) at Benandarah, NSW - 30 Sep 2024 by Hejor1
Corallina officinalis at Benandarah, NSW - 30 Sep 2024 by Hejor1
Unidentified Marine Alga & Seaweed at Bilingurr, WA - 11 Sep 2024 by Mike
Unidentified Marine Alga & Seaweed at BA124 - 28 Jun 2024 by WalterEgo
Ceramiaceae (family) at Coolangatta, QLD - 14 Jun 2024 by Hejor1
Ulva lactuca at Currumbin, QLD - 9 Jun 2024 by Hejor1
Caulerpa cactoides at Vincentia, NSW - 16 Apr 2024 by RobG1
Unidentified Marine Alga & Seaweed at Wairo Beach and Dolphin Point - 24 Feb 2024 by trevorpreston
Codium fragile at Wairo Beach and Dolphin Point - 24 Feb 2024 by trevorpreston
Hormosira banksii at Tomahawk, TAS - 22 Feb 2024 by BushRenegade
Unidentified Marine Alga & Seaweed at Tomahawk, TAS - 22 Feb 2024 by BushRenegade
Unidentified Marine Alga & Seaweed at Huskisson, NSW - 18 Jan 2024 by AniseStar
Unidentified Marine Alga & Seaweed at Huskisson, NSW - 18 Jan 2024 by AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar
Unidentified Marine Alga & Seaweed at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar
Hormosira banksii at Vincentia, NSW - 4 Oct 2023 by Tapirlord
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Narrawallee, NSW - 9 Sep 2023 by trevorpreston
Colpomenia sinuosa at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1
Lobophora variegata at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1
Lobophora variegata at Lilli Pilli, NSW - 16 Jun 2023 by Hejor1
Codium fragile at Lilli Pilli, NSW - 17 May 2023 by Hejor1
Dictyota sp. (genus) at Malua Bay, NSW - 17 May 2023 by Hejor1
Hormosira banksii at Lilli Pilli, NSW - 17 May 2023 by Hejor1
Lobophora variegata at Lilli Pilli, NSW - 17 May 2023 by Hejor1
Codium fragile at Manyana, NSW - 5 Feb 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Manyana, NSW - 5 Feb 2023 by trevorpreston
Champia compressa at Hyams Beach, NSW - 20 Jan 2023 by Hejor1
Martensia sp. (genus) at Hyams Beach, NSW - 20 Jan 2023 by Hejor1
Champia compressa at Hyams Beach, NSW - 20 Jan 2023 by Hejor1
Caulerpa geminata at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Codium fragile at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Ecklonia radiata at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Codium fragile at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Jania sp. (genus) at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Hormosira banksii at Jervis Bay, JBT - 19 Jan 2023 by Hejor1
Padina sp. (genus) at Currarong, NSW - 18 Jan 2023 by Hejor1
Colpomenia sinuosa at Broulee, NSW - 29 Dec 2022 by Hejor1
Corallina officinalis at Broulee, NSW - 29 Dec 2022 by Hejor1
Codium fragile at Broulee, NSW - 29 Dec 2022 by Hejor1
Unidentified Marine Alga & Seaweed at Nambucca Heads, NSW - 25 Dec 2022 by trevorpreston
Unidentified Marine Alga & Seaweed at Nambucca Heads, NSW - 25 Dec 2022 by trevorpreston
Padina sp. (genus) at Nambucca Heads, NSW - 28 Oct 2022 by trevorpreston
Sargassum sp. (genus) at Narrawallee, NSW - 28 Aug 2022 by trevorpreston
Hormosira banksii at Narrawallee, NSW - 28 Aug 2022 by trevorpreston
Phyllospora comosa at Dolphin Point, NSW - 12 Jun 2022 by trevorpreston
Unidentified Marine Alga & Seaweed at Dolphin Point, NSW - 12 Jun 2022 by trevorpreston
Corallina officinalis at Nambucca Heads, NSW - 28 May 2022 by trevorpreston
Hormosira banksii at Broulee, NSW - 23 Jan 2022 by Tapirlord
Ulva sp. (genus) at Cowes, VIC - 17 Dec 2021 by Tapirlord
Hormosira banksii at Cowes, VIC - 17 Dec 2021 by Tapirlord
Unidentified Marine Alga & Seaweed at Cowes, VIC - 17 Dec 2021 by Tapirlord
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 14 Aug 2021 by AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 14 Aug 2021 by AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 13 Aug 2021 by AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 13 Aug 2021 by AliClaw
Unidentified Marine Alga & Seaweed at Evans Head, NSW - 13 Aug 2021 by AliClaw
Asperococcus bullosus at Merimbula, NSW - 17 Jul 2020 by SapphireCoastMarineDiscoveryCentre
Hormosira banksii at Wapengo, NSW - 26 Mar 2020 by Rose
Sargassum lacerifolium at Wallagoot, NSW - 27 Oct 2019 by Harrison
Unidentified Marine Alga & Seaweed at Murrah, NSW - 26 Oct 2019 by jacquivt
Phyllospora comosa at Batemans Marine Park - 21 Oct 2019 by MatthewFrawley
Champia compressa at Mogareeka, NSW - 2 Mar 2019 by Maggie1
Codium fragile at Bawley Point, NSW - 22 Jan 2019 by GLemann
Unidentified Marine Alga & Seaweed at Batemans Marine Park - 26 Mar 2018 by RoyandJenny
Phyllospora comosa at Batemans Marine Park - 15 Dec 2016 by Jennyncmg
Champia viridis at Undefined - 29 Jan 2016 by Winston
Sargassum sp. (genus) at Narooma, NSW - 30 May 2015 by MichaelMcMaster
Durvillaea potatorum at Eden, NSW - 20 Sep 2013 by Seadragon
Phyllospora comosa at Eden, NSW - 20 Sep 2013 by Seadragon
Codium spongiosum at Eden, NSW - 20 Sep 2013 by Seadragon
2,203,459 sightings of 20,917 species in 9,213 locations from 12,749 contributors
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