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Pennaria disticha Christmas-Tree Hydroid

Pennaria disticha is commonly referred to as Christmas-Tree Hydroid. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.

Profilbild Urheber Prof. Dr. Peter Wirtz, Madeira

Copyright Prof. Dr. Peter Wirtz, Madeira


Courtesy of the author Prof. Dr. Peter Wirtz, Madeira . Please visit www.inaturalist.org for more information.

Uploaded by AndiV.

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lexID:
3117 
AphiaID:
117802 
Scientific:
Pennaria disticha 
German:
Weihnachtsbaum-Hydrozon, Seenessel, Seebrennnesse 
English:
Christmas-Tree Hydroid 
Category:
 
Family tree:
Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Pennariidae (Family) > Pennaria (Genus) > disticha (Species) 
Initial determination:
Goldfuss, 1820 
Occurrence:
Vereinigte Arabische Emirate, Australia, Azores, Belize, Bermuda, Brazil, Canada Eastern Pacific, China, Corea, European Coasts, France, Galapagos Islands, Gulf of Mexico, Hawaii, New Caledonia, New Zealand, North Atlantic Ocean, Red Sea, South-Africa, Spain, the Canary Islands, the Caribbean, the Mediterranean Sea, USA, Western Pacific Ocean 
Marine Zone:
Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic. 
Sea depth:
0 - 29 Meter 
Habitats:
Bays, Marine / Salt Water, Port facilities 
Size:
7.87" - 11.81" (20cm - 30cm) 
Temperature:
73.4 °F - 82.4 °F (23°C - 28°C) 
Food:
Plankton 
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:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2025-04-22 19:42:57 

Info

Pennaria disticha Goldfuss, 1820

The Christmas Tree Hydrozoon is a common species in protected bays and harbors. Delivers a painful sting. Attains height of 8 inches. Warm seas worldwide.

Synonymised names:
Amalthaea amoebigera Hackel, 1879 (possible synonym, unrecogisable species)
Corydendrium splendidum Boone, 1938 (synonym)
Eucoryne elegans Leidy, 1855 (synonym)
Euphysa globator Leuckart, 1856 (synonym (medusa))
Globiceps tiarella Ayres, 1854 (synonym)
Halocordyle cooperi Warren, 1906 (synonym)
Halocordyle disticha (Goldfuss, 1820) (unaccepted combination)
Halocordyle disticha var. australis
Halocordyle fragilis Vannucci, 1951 (synonym)
Pennaria adamsia von Lendenfeld, 1885 (synonym)
Pennaria australis Bale, 1884 (synonym)
Pennaria caulini Delle Chiaje, 1841 (synonym)
Pennaria gibbosa L. Agassiz, 1860
Pennaria inornata Brooks, 1883 (synonym)
Pennaria pacifica Clarke, 1907 (synonym)
Pennaria rosea von Lendenfeld, 1885 (synonym)
Pennaria symmetrica Clarke, 1879 (synonym)
Pennaria tiarella (Ayres, 1854) (synonym)

External links

  1. Unterwasser-Welt-Mittelmeer (de). Abgerufen am 29.03.2023.
  2. Wikipedia (en). Abgerufen am 17.12.2021.

Pictures

Commonly

Copyright Wolfram Sander
1
Copyright Wolfram Sander, Havana, Kuba
1
© Anne Frijsinger & Mat Vestjens, Holland, Bild aus der Karibik
1
Copyright Prof. Dr. Peter Wirtz, Madeira
1
Copyright Prof. Dr. Peter Wirtz, Madeira
1
Pennaria disticha
Weihnachtsbaumhydrozoe, Pennaria disticha

Husbandry know-how of owners

Mister-Fu
@Mister-Fu

am 21.07.11#1
hatte nach der einlaufphase mehrere kleine kolonien dieser hydroiden. nach dem einsetzten eines C. bispinosa zwergkaisers konnte ich beobachten, wie er dort überall die polypen abgefressen hat. ob er da ein einzelfall ist kann ich nicht sagen, hat die vermehrung auf jeden fall gestoppt.
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