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Obelia geniculata   (Linnaeus, 1758)

knotted thread hydroid

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Obelia geniculata   AquaMaps   Data sources: GBIF OBIS
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Image of Obelia geniculata (knotted thread hydroid)
Obelia geniculata
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drawing shows typical fish in this Family.

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

Hydrozoa | Leptothecata | Campanulariidae

Environment / Climate / Range Ecology

Epiphytic; depth range 0 - 82 m (Ref. 116013).  Polar

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific, Atlantic Ocean, Antarctic, and the Arctic. Mostly polar, but also in subtropical, temperate and boreal climates.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Biology     Glossary (e.g. epibenthic)

Estuarine, on bay and nearshore (Ref. 116013). This is an epiphytic species found on green and brown algae, often on Macrocystis pyrifera (Ref. 87801). Colonial (Ref. 19). Reproduction occurs only in hydroid stage (Ref. 1663, p. 23).

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

Reproduction occurs only in hydroid stage (Ref. 1663, p. 23).

Main reference References | Coordinator | Collaborators

Migotto, A.E., A.C. Marques, A.C. Morandini and F.L. da Silveira. 2002. (Ref. 813)

IUCN Red List Status (Ref. 115185)

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

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Price category (Ref. 80766)
Unknown