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Spirobrachia tripeira   Hil√°rio & Cunha, 2008

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Classification
Polychaeta | Sabellida | Siboglinidae
Common names | Synonyms | CoL | ITIS | WoRMS

Main reference
Hil√°rio, A. and M.R. Cunha. 2008. (Ref. 80977)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age

Environment
Sessile; depth range 3902 - 3902 m (Ref. 80977)

Climate / Range
Tropical

Distribution
Eastern Central Atlantic: Porto mud volcano, Gulf of Cadiz.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description
Tentacular spiral consisting of 80 to 110 tentacles with a quadruple row of pinnules each. Lophophore absent. Brown/orange tube, hard for most of its length.

Biology     Glossary (e.g. epibenthic)

Members of the class Polychaeta are mostly gonochoric (sexual). Mating: Females produce a pheromone attracting and signalling the males to shed sperm which in turn stimulates females to shed eggs, this behavior is known as swarming. Gametes are spawned through the metanephridia or body wall rupturing (termed as "epitoky", wherein a pelagic, reproductive individual, "epitoke", is formed from a benthic, nonreproductive individual, "atoke"). After fertilization, most eggs become planktonic; although some are retained in the worm tubes or burrowed in jelly masses attached to the tubes (egg brooders). Life Cycle: Eggs develop into trocophore larva, which later metamorph into juvenile stage (body lengthened), and later develop into adults (Ref. 833).

IUCN Red List Status (Ref. 114614)

   

CITES status (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




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
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 | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Price category (Ref. 80766)