Spirobranchus giganteus   (Pallas, 1766)

Christmas tree worm
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Image of Spirobranchus giganteus (Christmas tree worm)
Spirobranchus giganteus
Picture by Harasti, David
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Spirobranchus giganteus  AquaMaps  Data sources: GBIF OBIS

Belize country information

Common names: Christmas tree worm
Occurence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Known from Grover's Reef Atoll.
National Checklist: Belize Biodiversity Information System - Fish
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/bh.html
National Fisheries Authority: http://www.caricom-fisheries.com/belize-fisheries
Occurences: Occurence Point map
Main Ref: Bright, T.J., 2010
National Database:

Common names from other countries

Christmas tree worm, ... more

Main reference

Size / Weight / Age

Max length : 20.0 cm DL male/unsexed; (Ref. 81049)

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

Reef-associated

Climate / Range

Tropical

Distribution

Circumtropical.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Biology     Glossary (e.g. epibenthic)

Calcareous tube can reach up to 20 cm in length and is usually deeply embedded in the coral skeleton. Planktonic larval phase lasts for 9 to 12 days and the average life span is over 30 years. A dioecious filter feeder that is often mistaken to be a boring species. Larvae actually settles on exposed corals skeleton and extend their tubes toward the living tissue, which subsequently obscures the tube. Simultaneous spawning of male and female species and its host corals (Montastraea annularis, M. aveolata, M. cavernosa, M. franksi, Diploria strigosa), occurred in the evening during slack neap tides with nominal wind and wave action. Such conditions minimize gamete distribution by water turbulence and wave action, increasing the chances of fertilization (Ref. 81049). Planktotrophic larval phase lasts for 9-12 days. Within the first 24 hrs the first larval ocelli (compound eyes) develop facilitating positive phototaxis to visible light of wavelengths shorter than 590nm (Ref. 81049).

IUCN Red List Status (Ref. 120744)

  Not Evaluated 

Threat to humans

Human uses


More information

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FAO areas
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Ecology
Diet
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Food consumption
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Common names
Synonyms
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Predators
Ecotoxicology
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Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
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References
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Tools

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Internet sources

Estimates of some properties based on models

Resilience (Ref. 69278)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
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