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Pennatulacea sp. 2

Pennatulacea sp. 2is commonly referred to as sea pens. Difficulty in the aquarium: Экспертное Животное!!. A aquarium size of at least 300 Liter is recommended.


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lexID:
2869 
AphiaID:
Scientific:
Pennatulacea sp. 2 
German:
Seefeder 
English:
Sea Pens 
Category:
Морское Перо 
Family tree:
(Kingdom) > (Phylum) > (Class) > (Order) > (Family) > Pennatulacea (Genus) > sp. 2 (Species) 
Size:
20 cm - 40 cm 
Temperature:
24°C - 27°C 
Tank:
~ 300 Liter 
Difficulty:
Экспертное Животное!! 
CITES:
Not evaluated 
More related species
in this lexicon
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2009-07-29 11:56:03 

Info

As is the case for all octocorals, sea pens are actually colonies of polyps. What distinguishes sea pens is polyp dimorphism. One polyp grows very large and loses its tentacles, forming the central axis. The base of this primary polyp forms a bulb which may be expanded or contracted; the sea pen uses this bulb (not visible in the picture to the left) to anchor itself. Branching off this primary polyp are various secondary polyps. Some, called autozooids, are typical feeding polyps. Others, the larger and fewer siphonozooids, serve as intakes for water, which circulates within the colony and helps keep it upright.

External links

  1. Introduction of Pennatulacea (en). Abgerufen am 19.08.2020.
  2. Wikipedia (de). Abgerufen am 19.08.2020.

Pictures

Commonly


Husbandry know-how of owners

am 29.07.09#1
Diese Seefeder ist ausschließlich nachtaktiv und öffnet sich erst nach Sonnenuntergang. Voraussetzung für die Haltung wäre ein hoher Bodengrund (min. 20cm., leichte Strömung und reichlich Futter (Plankton oder Ersatz).
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