MICRO*SCOPE Encyclopedia of Life classification
    Eucaryota : Opisthokonta : Metazoa : Cnidaria : Hydrozoa : Hydroidolina : Anthoathecata : Aplanulata : Hydridae
 
   
   
   
     
Hydra viridissima

The optical cross section through the hydra body shows all three types of their cnidae: some penetrant nematocysts (arrow) showing shaft and coiled hollow tubule for transportation of the toxin into the prey, some more volvent spirocyst (arrowhead) and one glutinous ptychocysts (double headed arrow).

Scale bar indicates 25 µm.

Sample from a tropical freshwater aquarium. Sampling date 1/2023. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioplan with Olympus OM-D M5 MKII.

Image under Creative Commons License V 3.0 (CC BY-NC-SA).

Place name: Tropical freshwater aquarium  
 
Latitude: 54.3018013     Longitude: 10.07120132
 




Der optische Querschnitt durch den Hydra-Körper zeigt alle drei Arten ihrer Cniden: einige Nesselkapseln (penetrante Nematocysten, Pfeil) mit Schaft und aufgewickeltem Hohlfaden für den Transport des Giftes in die Beute, mehrere Volventen (Wickelkapseln, Pfeilspitze) und eine Glutinante mit Haftfaden (Pfeil mit Doppelspitze).

Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 25 µm.

Probe aus einem Süßwasseraquarium. Datum der Aufsammlung: 1/2023. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII.

Creative Commons License V 3.0 (CC BY-NC-SA).  
 


 
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PROTISTEN.DE Archive Number:
Hydra-viridissima-parch2023-42
   
Multi-layer image (DOF)
 
   
Hydra viridissima
 
       
   
  © Wolfgang Bettighofer 2010–2023