Home > Marine Life > Green Seaweeds

Updated 1/17/2014

Division Chlorophyta, Green Seaweeds

Green seaweeds are especially prolific in shallow areas with freshwater input.  The green color comes from chlorophyll a & b.  About 100 species occur in Hawaii, many of which are common in warm seas worldwide.

 

HAWAII

Ulva fasciata

SEA LETTUCE

 

Ulva expansa

LARGE SEA LETTUCE

 

Ulva reticulata

RETICULATED SEAWEED

 

Chaetomorpha antennina

BRUSH CHAETOMORPHA

 

Cladophora catenata

LUXURIANT CLADOPHORA

 

Cladophoropsis sundanensis

MAT CLADOPHORA

 

Cladophora laetevirens

SPONGY CLADOPHORA

 

Chaetomorpha basiretrorsa

MAT CHAETOMORPHA

 

Boodlea composita

COMPOSITE SEAWEED

 

Codium arabicum

ENCRUSTING CODIUM

 

Codium edule

CREEPING ANTLER SEAWEED

 

Codium reediae

ANTLER SEAWEED

 

Halimeda discoidea

ROSETTE HALIMEDA

 

Halimeda opuntia

PRICKLY PEAR HALIMEDA

 

Avrainvillea amadelpha  

MUDWEED

 

Halimeda kanaloana 

KANALOA'S HALIMEDA

 

Dictyosphaeria versluysii

HARD BUBBLE SEAWEED

 

Dictyosphaeria cavernosa

BUBBLE SEAWEED

 

Bornetella sphaerica

SPHERICAL SEAWEED

 

Ventricaria ventricosa

SEA GRAPE or SAILOR'S EYEBALL

 

Valonia aegagropilia

CLUSTERED SEA GRAPE

 

Caulerpa racemosa

CLUSTERED CAULERPA

 

Caulerpa macrophysa

PEA CAULERPA

 

Caulerpa nummularia

COIN CAULERPA

 

Caulerpa lentillifera

LENTIL CAULERPA

 

Caulerpa serrulata

SAW CAULERPA

 

Caulerpa sertularoides

FEATHERY CAULERPA

 

Caulerpa taxifolia

PINE-BRANCH CAULERPA

 

Caulerpa webbiana

CAT-TAIL CAULERPA

 

Caulerpella ambigua

AMBIGUOUS CAULERPA

 

Neomeris annulata

RINGED FINGER SEAWEED

 

Neomeris vanbosseae

FINGER SEAWEED

 

Microdictyon setchellianum

COARSE MESH SEAWEED

 

Microdictyon umbilicatum

DELICATE MESH SEAWEED

 

Cladophora vagabunda

VAGABOND CLADOPHORA

 

Cladophora spp.

CLADOPHORA

 

Siphonocladus tropicus

TROPICAL SIPHONOCLADUS

 

 Chlorodesmis caespitosa

BUSHY CHLORODESMIS

 

Bryopsis pennata

BRYOPSIS

 

Pseudobryopsis oahuensis 

OAHU BRYOPSIS

Udotea argentea


UDOTEA

JAPAN

Codium hubbsii

Haimirumodoki

 

Codium fragile

Miru

 


EASTERN PACIFIC

Codium simulans

CODIUM

 


TROPICAL WESTERN ATLANTIC

Batophora oerstedi

GREEN HORSETAILS

 

Dictyosphaeria ocellata

ENCRUSTING BUBBLE ALGAE 

Caulerpa taxifolia

PINE-BRANCH CAULERPA

 

Acetabularia crenulata

WHITE MERMAID'S WINEGLASS

Udotea flabellum

HARD FAN ALGA

 

Avrainvillea nigricans

SOFT FAN ALGA