Florideophyceae | Gelidiales
Guiry, M.D. and G.M. Guiry. 2009. (Ref. 80701)
Size / Weight / Age
Max length : 10.0 cm male/unsexed; (Ref. 80701)
Sessile; depth range 0 - 37 m (Ref. 102166)
Climate / Range
Atlantic, Mediterranean and Indo-Pacific oceans: from USA to Uruguay including Gulf of Mexico and the Caribbean, east to Norway and south to Namibia including the Mediterranean; from the Arabian Sea, including Persian Gulf, Oman Sea and the Red Sea, south to Tanzania including Seychelles, east to India and south to Western Australia, including Andaman Sea; from Japan to the South China Sea, south to New Zealand, Hawaii and Chile.
Turf formation in the upper intertidal, blackish-red colour when slightly dry, and extensive rhizoids (Ref. 80701). On rock in upper intertidal forming extensive mat-like growths below Pelvetia canaliculata, particularly on vertical or near-vertical surfaces. Sometimes associated with Catenella caespitosa and Rhodothamniella purpurea. Widely distributed, common (Ref. 80701). Also on volcanic rocks at shallow intertidal to subtidal depths (Ref. 80999).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models