Colobonema sericeum Silky medusa

Colobonema sericeum is commonly referred to as Silky medusa. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.

NOOA Ocean Explorer / National Exploration and Research

Voyage to the Ridge 2022
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lexID:: 15439
AphiaID:: 117854

Scientific:: Colobonema sericeum
German:: Tiefseehydrozoen
English:: Silky Medusa

Category:: Jellyfish

Family tree:: Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Trachymedusae (Order) > Rhopalonematidae (Family) > Colobonema (Genus) > sericeum (Species)
Initial determination:: Vanhöffen, 1902

Occurrence:: Argentina, Brazil, California, Canada Eastern Pacific, Columbia, Eastern Pacific Ocean, Ecuador, Galapagos Islands, Gulf of Mexico, Mexico (East Pacific), Peru, South America (Western Atlantic Ocean), South Orkney Islands, South-Pazific, Strait of Magellan, the British Isles, USA, West-Atlantic Ocean
Marine Zone:: Mesopelagial
Mesopelagic zone
lies between 200 to 1000 meters depth, thus it is considered the "twilight zone of the sea" between the light and dark depth zones.
Sea depth:: 0 - 1000 Meter
Size:: 4,5 cm
Temperature:: 4,7 °F - 21,9 °F (4,7°C - 21,9°C)
Food:: Carnivore, Invertebrates, Nekton, Zooplankton
Difficulty:: Not suitable for aquarium keeping
Offspring:: Not available as offspring
Toxicity:: Toxic hazard unknown

CITES:

Not evaluated

Red List:

Not evaluated (NE)

Related species at Catalog of Life:

Colobonema apicatum
Colobonema sericeum
Tiefseehydrozoen

Author:: Meerwasser-Lexikon Team
Publisher:: Meerwasser-Lexikon.de
Created:: 2022-12-15 19:05:49
Last edit:: 2022-12-16 06:05:31

Info

Colobonema sericeum is a deep-sea hydrozoan species in the family Rhopalonematidae, first described in 1902.[

This semi-transparent organism is found in the mesopelagic zone, has 32 tentacles and a bell diameter of up to 45 mm.

They are holoplanktonic and never attach to the sea floor as part of their polyp life cycle, but have embryos that develop directly into a small, floating medusa

In contrast to many other hydrozoans, which have to let themselves drift predominantly despite a certain own energy, Colobonema sericeum is a strong, active swimmer!

External links

Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters (en). Abgerufen am 15.12.2022.
Checklist of the Cnidaria Medusozoa of Brazil (en). Abgerufen am 15.12.2022.
Colobonema sericeum Vanhöffen, 1903 (en). Abgerufen am 15.12.2022.
Common and scientific names of aquatic invertebrates from the United States and Canada: Cnidaria and Ctenophora. 2nd ed (en). Abgerufen am 15.12.2022.
Common and scientific names of aquatic invertebrates from the United States and Canada: Cnidaria and Ctenophora. 2nd ed (en). Abgerufen am 15.12.2022.
Flickr Homepage NOAA Ocean Exploration (en). Abgerufen am 15.12.2022.
Monterey Bay Aquarium - Meet the midwater jelly (en). Abgerufen am 15.12.2022.
NOAA Voyage to the Ridge 2022 (en). Abgerufen am 15.12.2022.
World Register of Marine Species (WoRMS) (en). Abgerufen am 15.12.2022.

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