Florideophyceae | Gigartinales
Environment / Climate / Range
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Utilized for human consumption; source of carrageenan (Ref. 80758) Inhabits intertidal areas strongly attached to rocky or coralline substrate near reef
margins exposed to strong wave action or currents. Usually forms belts parallel to the reef margin at 0.3 m above to average low tide levels. (Ref. 80758).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Guiry, M.D. and G.M. Guiry. 2009. (Ref. 80701)
Thalli prostrate, attached to rocky substrate by well-developed haptera which arise from the bottom surface of the branches. Branching irregular, the branches flattened and segmented, with numerous spinose processes limited to their margins and ventral surface. Compacted thick-walled rhizoidal filaments are present at the centre of the medulla. Thalli up to 14 cm in length (Ref. 80758).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimates of some properties based on models