Home > Marine Life > Red Seaweeds

Updated 5/15/2019

Division Rhodophyta, Red Seaweeds

Red seaweeds are small species prolific from shallow to very deep water.  The red color comes from chlorophyll-a, phycoerythrin, & phycocyanin.  Some families are heavily calcified, including stony coralline algae which resemble pink, red, or purple rock.  Coralline algae is distinct from coral & bryozoa because it lacks pores/polyps.

 

HAWAII

Acanthophora spicifera

SPINY SEAWEED

 

Acanthophora pacifica

PACIFIC SEAWEED

 

Ahnfeltiopsis concinna

TUFTED SEAWEED    LIMU 'AKI'AKI

 

Ahnfeltiopsis flabelliformis

FAN SEAWEED

 

 

Asparagopsis taxiformis

ASPARAGUS SEAWEED    LIMU KOHU

 

Gracilaria coronopifolia  

LIMU MANAUEA    Ogo

 

Gracilaria salicornia  

GORILLA SEAWEED

 

Hypnea musciformis  

HOOKED SEAWEED

 

Amansia glomerata

CONGLOMERATE SEAWEED

 

Grateloupia phuquocensis

PHU QUOC SEAWEED

 

Actinotrichia fragilis

BANDED GALAXAURA

 

Galaxaura rugosa

STOUT GALAXAURA

 

Galaxaura divaricata

HAIRY GALAXAURA

 

Dichotomaria marginata

FLAT GALAXAURA

 

Dichotomaria obtusata

SWOLLEN GALAXAURA

 

Tricleocarpa fragilis

FRAGILE GALAXAURA

 

 

Liagora divaricata

WIDE-BRANCHED LIAGORA

 

Liagora perennis  

PERENNIAL LIAGORA

 

Titanophycus validus

VALID LIAGORA

 

Liagora albicans

LARGE LIAGORA

Ganonema papenfussii

RED LIAGORA

 

Ganonema pinnatum

PINNATE LIAGORA

 

Rhodymenia leptophylla

SLENDER RHODYMENIA

 

Trichogloea reiquienii

REIQUIEN'S TRICHOGLOEA

 

Gibsmithia hawaiiensis

BAGGY SEAWEED

 

Botryocladia skottsbergii

SKOTTSBERG'S SEAWEED

 

Dasya iridescens  

IRIDESCENT SEAWEED

 

Wrangelia elegantissima  

ELEGANT SEAWEED

 

Martensia fragilis

FRAGILE MARTENSIA

 

Martensia flabelliformis

STIFF MARTENSIA

 

Laurencia majuscula

COMMON LAURENCIA

 

Laurencia spp.

LAURENCIA

 

Laurencia mcdermidiae 

MCDERMID'S LAURENCIA

 

 

Chondrophycus parvipapillatus

BUMPY CHONDROPHYCUS   LIMU LIPE'EPE'E

 

Halymenia spp.

COCK'S COMB SEAWEED

 

Titanophora pikeana

TITANOPHORA

 

Platoma ardreanum

HAWAIIAN PLATOMA

 


Centroceras clavulatum

PINCER SEAWEED

 

Portieria hornemannii

HORNEMANN'S SEAWEED

 

Plocamium sandvicense  

HAWAIIAN PLOCAMIUM

 

Pterocladiella caerulescens

BLUE-GREEN PTEROCLADIA

 

Pterocladiella capillacea

RED PTEROCLADIA

 

Gelidiella acerosa

COMMON GELIDIELLA

 

Hypnea chordacea

STOUT HYPNEA

 

Champia parvula

CHAMPIA

 

Hypnea cervicornis

ANTLER SEAWEED

 

Coelothrix irregularis

IRIDESCENT COELOTHRIX

 

Tolypiocladia glomerulata

TOLYPIOCLADIA

 

Scinaia furcata   

FORKED SCINAIA

 

Kappaphycus alvarezii  

KAPPAPHYCUS

 

Bangia atropurpurea

DARK PURPLE BANGIA

 

Neosiphonia & Polysiphonia spp.

NEOSIPHONIA & POLYSIPHONIA

 

Acrosymphyton taylorii

TAYLOR'S SEAWEED

 

Predaea weldii

GELATINOUS SEAWEED

 

Haloplegma duperreyi

FELT SEAWEED

 

Amphiroa beauvoisii

STIFF AMPHIROA

 

Amphiroa valonioides

DELICATE AMPHIROA

 

Jania pumila

DWARF JANIA

 

Jania subulata

TAPERING JANIA

 

Hydrolithon gardineri

BRANCHING CORALLINE ALGAE

 

Lithophyllum kotschyanum

STUBBY CORALLINE ALGAE

 

Mastophora pacifica

LEAFY CORALLINE ALGAE

 

Hydrolithon reinboldii

KNOBBY CORALLINE ALGAE

 

Hydrolithon onkodes

ENCRUSTING CORALLINE ALGAE

 

Sporolithon erythraeum

PATCHY RED CORALLINE ALGAE

 

Peyssonnelia spp.

DARK RED CORALLINE ALGAE

 

Lithophyllum prototypum

TESSELLATED CORALLINE ALGAE

 

EAST ASIA 

Marginosporum spp.

CORALLINE ALGAE

 

Martensia denticulata

Ayanishiki

Champia expansa

Utsubawatsunagiso

 


NORTHEAST PACIFIC

Bossiella cretacea

CHALKY CORALLINE SEAWEED

 

Corallina officinalis var. chilensis

COMMON CORALLINE SEAWEED