Tydemania expeditionis   Weber-van Bosse

Green sea beads

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Tydemania expeditionis  AquaMaps  Data sources: GBIF OBIS
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drawing shows typical species in Udoteaceae.

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Bryopsidophyceae | Bryopsidales | Udoteaceae

Environment: milieu / climate zone / depth range / distribution range Ecology

Sessile; depth range 0 - 50 m (Ref. 102147).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indian Ocean: in Tanzania, Amirante Islands and Seychelles, east to India including Maldives and Chagos Archipelago; in Andaman and Nicobar Islands; Pacific Ocean: from China to the South China Sea, south to Queensland, Australia, including Spermonde Archipelago, Guam, Federated States of Micronesia, Marshall Islands, Solomon Islands, Fiji, and Lord Howe Island, east to American Samoa.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Short description Morphology

Thallus green, slightly calcified, forming thick clumps on sandy-rocky substrate in subtidal areas. Main branches terete, with successive whorls of glomeruliferous branches along the entire length at intervals of about 1 cm. Each whorl composed of 4 or 5 verticillately arranged lateral branchlets which are dichotomously branched repeatedly (6 to 7 times) in alternate planes, rarely trichotomously branched. Thallus up to 10 cm in height (Ref. 80758).

Biology     Glossary (e.g. epibenthic)

Contains norcycloartene triterpenoids (Ref. 80758). Forms clumps in rocky crevices in moderately wave-exposed shallow subtidal areas (Ref. 80758).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Guiry, M.D. and G.M. Guiry. 2009. (Ref. 80701)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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More information

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

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | AlgaeBase | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 24.7 - 29, mean 27.9 (based on 808 cells).