PORT PHILLIP BAY


Red Seaweed 

Ahnfeltiopsis fastigiata

View scientific description and taxonomy

Scientific Details

Can be confused with Gymnogongrus griffithsiae which is more densely tufted and has warty lumps containing reproductive structures.

Main information sources:
Womersley, H.B.S., (1984-2003). The Marine Benthic Flora of Southern Australia. Part 1-3d. Govt. Printer, South Australia.
Baldock, R.N. 2010. Algae Revealed. South Australian State Herbarium. Website.
AlgaeBase. Website.

Taxonomy

Phylum:
Rhodophyta
Subphylum:
Eurhodophytina
Class:
Florideophyceae
Subclass:
Rhodymeniophycidae
Order:
Gigartinales
Family:
Phyllophoraceae
Genus:
Ahnfeltiopsis
Species:
fastigiata

General Description

One to multiple cylindrical or compressed stems (stipes) with flattened blades (fronds). Branching is either in two equal parts (sub-dichotomous) or irregular. Tips (apices) are rounded. Holdfast is thin and crust-like (crustose). Dark red-brown to yellow. Up to 4 cm long (thallus).

Biology

The texture of this seaweed can be described as cartilaginous or gristly.

Habitat

Tidal pools, lower intertidal areas, shallow subtidal waters, open coasts.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Seaweeds and seagrasses Red algae

Depth

Shore (0-1 m)
Shallow (1-30 m)

Water Column

On or near sea floor

Max Size

4 cm

Diet

Photosynthetic - sunlight

Commercial Species

No

Global Dispersal

Native to Australia

Identify

Conservation Status

  • DSE Advisory List : Not listed
  • EPBC Act 1999 : Not listed
  • IUCN Red List : Not listed

Author

article author Pocklington, Jacqui

Jacqui Pocklington is a Research Associate with expertise in algal taxonomy.

citation

Cite this page as:
Pocklington, Jacqui, 2011, Red Seaweed, Ahnfeltiopsis fastigiata, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 16 Dec 2017, http://portphillipmarinelife.net.au:8098/species/12341

Text: creative commons cc by licence