Obelia geniculata Knotted Thread Hydroid

Obelia geniculata is commonly referred to as Knotted Thread Hydroid. Difficulty in the aquarium: Not suitable for home aquaria!. Toxicity: Toxic hazard unknown.

Profile

lexID:

6376 

AphiaID:

117388 

Scientific:

Obelia geniculata 

German:

Obeliapolyp, Glockenpolyp 

English:

Knotted Thread Hydroid 

Category:

Hydrozoa 

Family tree:

Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Campanulariidae (Family) > Obelia (Genus) > geniculata (Species) 

Initial determination:

(Linnaeus, ), 1758 

Occurrence:

Zirkumpolar, the North Sea, Antarctica, Arctic (North Polar Sea), Brazil, Canada Eastern Pacific, Chile, European Coasts, Florida, France, Gulf of Maine, Gulf of Mexico, Indo Pacific, Japan, New Zealand, North Atlantic Ocean, Scandinavia, the British Isles, the Mediterranean Sea, USA 

Sea depth:

0 - 100 Meter 

Habitats:

Epibiont (living on other organisms), Seawater, Sea water 

Size:

0.79" - 1.97" (2cm - 5cm) 

Temperature:

35.6 °F - 82.4 °F (2°C - 28°C) 

Food:

Carnivore, Filter feeder, Plankton, Suspension feeder 

Difficulty:

Not suitable for home aquaria! 

Offspring:

Not available as offspring 

Toxicity:

Toxic hazard unknown 

CITES:

Not evaluated 

Red List:

Not evaluated (NE) 

Related species at
Catalog of Life:

• 
  Obelia bidentata
  Hydrozon
• Obelia castellata
• 
  Obelia dichotoma
  Hydrozoon
• Obelia diversa
• 
  Obelia geniculata
  Obeliapolyp, Glockenpolyp
• Obelia irregularis
• Obelia longissima
• Obelia spongicola
• Obelia striata

 

Author:

Meerwasser-Lexikon Team

Publisher:

Meerwasser-Lexikon.de

Created:

2013-11-08 21:20:18 

Last edit:

2026-02-19 20:41:18 

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