context source (HKRMS) Tseng, C.K., Chang, C. F., Xia, E. Z. & Xia, B. M. (). Studies on some marine red algae from Hong Kong. In: Proceedings of the first. F. acanthophorus is a later name for Fucus spicifera Vahl () and the combination Acanthophora spicifera was established by Børgesen in. Acanthophora spicifera (Vahl) Borgesen (Download Help) Acanthophora spicifera TSN Genus, Acanthophora J. V. F. Lamouroux. Species.

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Atoll Research Bulletin No. Crouan Acanthophora orientalis var. Gametophytes dioecious, spermatangial heads plate-like, on single-celled stalks near branch apices, often with sterile hairs present at base of stalk; cystocarps on adaxial sides of spines, urn-shaped, 0. This paper presents a record of the introduced marine species in Pearl Harbour, Hawaii.

Acanthophora spicifera is commonly found on calm, shallow reef flats, tidepools, and on rocky intertidal benches. Palau Islands, West Pacific, 0. In older axes, central axial filaments may be surrounded by small-celled adventitious filaments. However, it is not reported to form large, monospecific nuisance blooms. OBIS is a web-based provider of global geo-referenced information on marine species.

This paper describes the seasonal variations in tissue nitrogen and phosphorous for macroalgae in a Brazilian lagoon. Skelton and South, ; Skelton and South, It has been reported at depths of up to 22m in the Virgin Islands, although it more typically occurs at m depths University of Hawaii, ; Kilar and McLachlan, ; Hill, Color varies from red, brown to dark green but turns yellow in bright sunlight.


Spermatangial heads plate-like, on single-celled stalks near branch apices. According to de Jong et al. Verification of data Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Current Science, 91 9: Verheij and Prud’homme, Intertidal and subtidal, also as free-floating fragments. Pericentral cells are corticated densely, with central axial cells usually evident.

Marine Plants of Australia. Skelton and South quote an autecological study of A. A taxonomic, phylogenetic and biogeographic study of the genus Acanthophora Rhodomelaceae, Rhodophyta. From Wikipedia, the free encyclopedia.

Prickly Seaweed (Acanthophora spicifera)

All experiments showed a substantial initial decrease in algal density, but the long-term effect was minimal because of rapid regrowth. Found on all substrates from reef to mudflats on all islands. And Hypnea musciformis Wulfen j. This species is widely distributed throughout the tropics into warm temperate seas, in the central eastern and western Atlantic, around the Indian Ocean, and in the central western Pacific.

A field guide from Florida to Brazil.

Prickly Seaweed (Acanthophora spicifera) « Eyes of the Reef

Taxonomy of Economic Seaweeds with reference to some Pacific species [ed. In some habitats, A. The thallus of A. Prickly Seaweed overgrowing corals on Oahu.

Type spififera The type species lectotype of the genus Acanthophora is Acanthophora thierryi J. Marine algae of the Te Vega expedition in the western Pacific Ocean.


This fact sheet provides comprehensive information about A.

STRI Data Portal – Acanthophora spicifera

Growth pattern assessment in the genus Acanthophora Rhodophyta, Ceramiales. Invasive Marine Algae of Hawaii.

Littler and Littler, Agardh Sonder Acanthophoraa acanthophorus J. Published and distributed by the author. Holdfast is an irregularly lobed, disc-like, thickened crust from which several erect axes arise.

Lawson and John, ; John et al. Agardh Weber-van Bosse Acanthophora spicifera forma wightii J.

Effects of herbivory, nutrient levels, and introduced algae on the distribution and abundance of the invasive macroalga Dictyosphaeria cavernosa in Kaneohe Bay, Hawaii. Doty also observed that older Polynesians in Hawaii had no name for Acanthophora and, when Abbott and Williamson interviewed Hawaiians familiar with seaweeds, they found several who confirmed that they had never seen this species before World War II, giving credence to the speculation that A. It is therefore recommended that control measures target locations that have strong potential to recruit new populations through the frequent production and dispersal of propagules.

The distribution in this summary table is based on all the information available.