Obelia geniculata   (Linnaeus, 1758)

Knotted thread hydroid

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Obelia geniculata  AquaMaps  Data sources: GBIF OBIS
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No drawings available for Campanulariidae.

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

Hydrozoa | Leptothecata | Campanulariidae

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

Epiphytic; depth range 0 - 100 m (Ref. 120471).  Polar; 85°N - 80°S, 180°W - 180°E

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)

Meroplanktonic (Ref. 120471). 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).

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. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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

Estimates based on models

Preferred temperature (Ref. 115969): 6.2 - 16, mean 9.8 (based on 1597 cells).
Price category (Ref. 80766): Unknown.