Home Marine Algae & Seaweeds [ sightings | field guide ]

Marine Algae & Seaweeds


Become the first moderator for Marine Algae & Seaweeds

Become a moderator

120 species

Acrosorium ciliolatum (A marine red algae)

Amphiroa anceps (Amphiroa anceps)

Amphiroa anceps photo J M Huisman (from ALA)
Amphiroa anceps

Amphiroa sp. (Amphiroa sp.)

Arthrocladia sp. (genus) (Algae/Seaweed)

Asparagopsis armata (A marine red algae)

Asperococcus bullosus (Asperococcus bullosus)

Asperococcus bullosus photo J M Huisman (from ALA)
Asperococcus bullosus

Ballia callitricha (Algae/Seaweed)

Capreolia implexa (Capreolia implexa)

Carpomitra costata (Carpomitra costata)

Caulerpa cactoides (Caulerpa cactoides)

Caulerpa cactoides
Caulerpa cactoides

Caulerpa flexilis (A seaweed)

Caulerpa flexilis
Caulerpa flexilis

Caulerpa geminata (Green Seaweed)

Caulerpa racemosa (Caulerpa racemosa)

Caulerpa sp. (genus) (A green algae seaweed)

Caulerpa taxifolia (Caulerpa)

Caulocystis cephalornithos (Caulocystis cephalornithos)

Centroceras clavulatum (Centroceras clavulatum)

Ceramiaceae (family) (A Red Algae)

Ceramiaceae (family)
Ceramiaceae (family)
Ceramiaceae (family)
Ceramiaceae (family)

Ceramium cliftonianum (Ceramium cliftonianum)

Chaetomorpha coliformis (Chaetomorpha coliformis)

1  2  3  4  5  6 

Conservation Level

  • All conservation levels (change?)


  • All invasiveness levels (change?)

Machine learning

Machine learning is not enabled.

Follow Marine Algae & Seaweeds

Receive alerts of new sightings


Share field guide

Share link to Marine Algae & Seaweeds field guide

2,089,699 sightings of 18,691 species in 5,460 locations from 9,581 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.