Marine Algae & Seaweeds

Marine Alga & Seaweed sightings

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Marine Algae & Seaweeds

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Ulva lactuca at Broulee, NSW - 25 Jan 2025 by Hejor1

Ulva lactuca

Ecklonia sp. (genus) at Broulee, NSW - 25 Jan 2025 by Hejor1

Ecklonia sp. (genus)

Phyllospora comosa at Broulee, NSW - 25 Jan 2025 by Hejor1

Phyllospora comosa

Zonaria sp. (genus) at Broulee, NSW - 25 Jan 2025 by Hejor1

Zonaria sp. (genus)

Caulerpa cactoides at Broulee, NSW - 25 Jan 2025 by Hejor1

Caulerpa cactoides

Ceramiaceae (family) at Broulee, NSW - 25 Jan 2025 by Hejor1

Ceramiaceae (family)

Codium spongiosum at Broulee, NSW - 25 Jan 2025 by Hejor1

Codium spongiosum

Hormosira banksii at Broulee, NSW - 25 Jan 2025 by Hejor1

Hormosira banksii

Codium fragile at Broulee, NSW - 25 Jan 2025 by Hejor1

Codium fragile

Caulerpa sp. (genus) at Broulee, NSW - 25 Jan 2025 by Hejor1

Caulerpa sp. (genus)

Corallina officinalis at Broulee, NSW - 25 Jan 2025 by Hejor1

Corallina officinalis

Codium spongiosum at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Codium spongiosum

Champia compressa at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Champia compressa

Codium fragile at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Codium fragile

Hormosira banksii at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Hormosira banksii

Ceramiaceae (family) at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Ceramiaceae (family)

Phyllospora comosa at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1

Phyllospora comosa

Codium spongiosum at Malua Bay, NSW - 19 Dec 2024 by Hejor1

Codium spongiosum

Champia compressa at Malua Bay, NSW - 19 Dec 2024 by Hejor1

Champia compressa

Hormosira banksii at Malua Bay, NSW - 19 Dec 2024 by Hejor1

Hormosira banksii

Sargassum sp. (genus) at Green Cape, NSW - 7 Dec 2024 by Hejor1

Sargassum sp. (genus)

Ulva sp. (genus) at Green Cape, NSW - 7 Dec 2024 by Hejor1

Ulva sp. (genus)

Jania sp. (genus) at Green Cape, NSW - 7 Dec 2024 by Hejor1

Jania sp. (genus)

Unidentified Marine Alga & Seaweed at Malua Bay, NSW - 1 Dec 2024 by trevorpreston

Unidentified Marine Alga & Seaweed

Unidentified Marine Alga & Seaweed at Malua Bay, NSW - 1 Dec 2024 by trevorpreston

Unidentified Marine Alga & Seaweed

Unidentified Marine Alga & Seaweed at Sunshine Bay, NSW - 30 Nov 2024 by trevorpreston

Unidentified Marine Alga & Seaweed

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

Ulva lactuca

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

Scytosiphonaceae (family)

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

Lithothamnion sp. (genus)

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

Lithothamnion sp. (genus)

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

Cladophora feredayi

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

Ecklonia radiata

Codium fragile at Malua Bay, NSW - 1 Oct 2024 by Hejor1

Codium fragile

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

Champia compressa

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

Colpomenia peregrina

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

Corallina officinalis

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

Hormosira banksii

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

Ulva sp. (genus)

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

Lithothamnion sp. (genus)

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

Ceramiaceae (family)

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

Codium fragile

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

Phyllospora comosa

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

Scytosiphonaceae (family)

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

Champia compressa

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

Hormosira banksii

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

Colpomenia peregrina

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

Ulva sp. (genus)

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

Corallina officinalis

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

Unidentified Marine Alga & Seaweed

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

Caulerpa cactoides

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

Unidentified Marine Alga & Seaweed

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

Codium fragile

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

Hormosira banksii (Neptune's Necklace) at Jervis Bay Marine Park - 18 Jan 2024 by AniseStar

Hormosira banksii

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

Unidentified Marine Alga & Seaweed

Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston

Unidentified Marine Alga & Seaweed

Hormosira banksii at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Hormosira banksii

Codium fragile at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Codium fragile

Ecklonia radiata at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Ecklonia radiata

Corallina officinalis at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Corallina officinalis

Colpomenia sp. (genus) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Colpomenia sp. (genus)

Padina elegans at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston

Padina elegans

Phyllospora comosa at Wapengo, NSW - 10 Nov 2023 by trevorpreston

Phyllospora comosa

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

Hormosira banksii

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

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

Unidentified Marine Alga & Seaweed

Ulva lactuca at Bawley Point, NSW - 22 Aug 2023 by Hejor1

Ulva lactuca

Corallina officinalis at Bawley Point, NSW - 22 Aug 2023 by Hejor1

Corallina officinalis

Codium spongiosum at Lilli Pilli, NSW - 18 Jun 2023 by Hejor1

Codium spongiosum

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

Colpomenia sinuosa

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

Lobophora variegata

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

Lobophora variegata

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

Codium fragile

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

Dictyota sp. (genus)

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

Hormosira banksii

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

Lobophora variegata

Codium fragile (Green sea fingers, dead man's fingers) at Lake Illawarra, NSW - 21 Feb 2023 by Aussiegall

Codium fragile

Hormosira banksii (Neptune's Necklace) at Lake Illawarra, NSW - 21 Feb 2023 by Aussiegall

Hormosira banksii

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

Codium fragile

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

Unidentified Marine Alga & Seaweed

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

Champia compressa

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

Martensia sp. (genus)

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

Champia compressa

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

Caulerpa geminata

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

Codium fragile

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

Ecklonia radiata

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

Codium fragile

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

Jania sp. (genus)

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

Hormosira banksii

Ulva lactuca at Broulee, NSW - 25 Jan 2025 by Hejor1
Ecklonia sp. (genus) at Broulee, NSW - 25 Jan 2025 by Hejor1
Phyllospora comosa at Broulee, NSW - 25 Jan 2025 by Hejor1
Zonaria sp. (genus) at Broulee, NSW - 25 Jan 2025 by Hejor1
Caulerpa cactoides at Broulee, NSW - 25 Jan 2025 by Hejor1
Ceramiaceae (family) at Broulee, NSW - 25 Jan 2025 by Hejor1
Codium spongiosum at Broulee, NSW - 25 Jan 2025 by Hejor1
Hormosira banksii at Broulee, NSW - 25 Jan 2025 by Hejor1
Codium fragile at Broulee, NSW - 25 Jan 2025 by Hejor1
Caulerpa sp. (genus) at Broulee, NSW - 25 Jan 2025 by Hejor1
Corallina officinalis at Broulee, NSW - 25 Jan 2025 by Hejor1
Codium spongiosum at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Champia compressa at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Codium fragile at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Hormosira banksii at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Ceramiaceae (family) at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Phyllospora comosa at Guerilla Bay, NSW - 22 Dec 2024 by Hejor1
Codium spongiosum at Malua Bay, NSW - 19 Dec 2024 by Hejor1
Champia compressa at Malua Bay, NSW - 19 Dec 2024 by Hejor1
Hormosira banksii at Malua Bay, NSW - 19 Dec 2024 by Hejor1
Sargassum sp. (genus) at Green Cape, NSW - 7 Dec 2024 by Hejor1
Ulva sp. (genus) at Green Cape, NSW - 7 Dec 2024 by Hejor1
Jania sp. (genus) at Green Cape, NSW - 7 Dec 2024 by Hejor1
Unidentified Marine Alga & Seaweed at Malua Bay, NSW - 1 Dec 2024 by trevorpreston
Unidentified Marine Alga & Seaweed at Malua Bay, NSW - 1 Dec 2024 by trevorpreston
Unidentified Marine Alga & Seaweed at Sunshine Bay, NSW - 30 Nov 2024 by trevorpreston
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
Codium fragile 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 BA124 - 28 Jun 2024 by WalterEgo
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
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
Hormosira banksii (Neptune's Necklace) 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 Wapengo, NSW - 11 Nov 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston
Unidentified Marine Alga & Seaweed at Wapengo, NSW - 11 Nov 2023 by trevorpreston
Hormosira banksii at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Codium fragile at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Ecklonia radiata at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Corallina officinalis at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Colpomenia sp. (genus) at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Padina elegans at Mimosa Rocks National Park - 11 Nov 2023 by trevorpreston
Phyllospora comosa at Wapengo, NSW - 10 Nov 2023 by trevorpreston
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
Ulva lactuca at Bawley Point, NSW - 22 Aug 2023 by Hejor1
Corallina officinalis at Bawley Point, NSW - 22 Aug 2023 by Hejor1
Codium spongiosum at Lilli Pilli, NSW - 18 Jun 2023 by Hejor1
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 (Green sea fingers, dead man's fingers) at Lake Illawarra, NSW - 21 Feb 2023 by Aussiegall
Hormosira banksii (Neptune's Necklace) at Lake Illawarra, NSW - 21 Feb 2023 by Aussiegall
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

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1,908,822 sightings of 21,426 species from 13,225 contributors
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