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Kappaphycus alvarezii   (Doty) Doty ex P.C. Silva

Elkhorn sea moss

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Kappaphycus alvarezii   AquaMaps   Data sources: GBIF OBIS
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Classification
Florideophyceae | Gigartinales | Areschougiaceae
Common names | Synonyms | CoL | ITIS | WoRMS

Main reference
Guiry, M.D. and G.M. Guiry. 2009. (Ref. 80701)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age

Environment
Sessile

Climate / Range
Tropical

Distribution
Atlantic Ocean: in the Caribbean (Cuba); Indian Ocean: in Southern Kenya, east to Indonesia; Pacific Ocean: from China to the South China Sea, south to Indonesia, east to Hawaiian Islands including Federated States of Micronesia and Fiji, and south to Tahiti (Ref. 80701); transported to Hawaii, where it was successfully grown, and thence to island groups of the western Pacific, such as, Guam, Micronesia, Christmas Island, Fanning, Tarawa and other atolls of Kiribati, Fiji, Tonga, and French Oceania. It has been transported to Southern China, Indonesia and also to Southern Africa (Ref. 80758).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description
Thalli erect, loosely branched, robust, cartilaginous and range from dark greenish brown to deep purple in colour. Main axes cylindrical throughout, 1.5 to 6 mm in diameter when dried. Lateral ultimate branches arranged secundly to alternately on the axes; they are terete, attenuated to acute or spinose tips varying in length from 1 to 17 mm and 1 to 2 mm in diameter near their bases. Cross-section of a branch shows a medulla composed of small thick-walled cells interspersed among large parenchymatous cells at the centre. Cortical cells very small. Thalli up to 30 cm in height (Ref. 80758).

Biology     Glossary (e.g. epibenthic)

Principal raw material in producing kappa-carrageenan and widely used in seaweed farming; used by human as food, blanched in boiling water combined with sliced tomatoes and onions, mixed with a sweet sour dressing made of vinegar, salt and sugar; also used in making jelly-type desserts; a source of minerals (Ca, K, Mg, Na, (Pb, Cd); of high commercial interest internationally as source of carrageenan (Ref. 82232); commercially farmed and forms bulk of the dried "Eucheuma" exported abroad (Ref. 80758). Commercially farmed; first discovered on the reef flats of easternmost Sabah and the southwesternmost part of Sulu Archipelago (Ref. 80758).

IUCN Red List Status (Ref. 114614)

   

CITES status (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless (Ref. 80758)




Human uses
Fisheries: commercial; aquaculture: commercial
FAO(Aquaculture: production; | FisheriesWiki | Sea Around Us |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources
BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(; publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Sea Around Us | FishBase | AlgaeBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Price category (Ref. 80766)