Purple Octopus - using citizen science to discover marine interactions
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Gasterosteus aculeatus

Linnaeus, 1758


Rudolf Svensen Anybody knows what kind of parasite this Three-spined stickleback (Gasterosteus aculeatus) is infected by? Looks like som kind of eggs.

Erling Svensen The picture is very small? I would suggest to send a high res to Torleiv. He knows so many people working with "all the strange things" and I am quite sure he can help.

Message posted on Seasearch Identifications on 26 Dec 2012
Patrick Janssen "Driedoornig stekelbaars" (Gasterosteus aculeatus) in a fresh water pond near. 500D - Sea&Sea housing - YS01 strobe

Lala Rute stickleback, nice!

Message posted on UWphotographers on 10 Nov 2012
René Weterings Three-spined stickleback (Gasterosteus aculeatus) Picture is taken in Lake Grevelingen, The Netherlands (22-2-2012) Olympus PEN E-PL2 14-42mm + Inon UCL 165 single Inon Z-240 type 2 strobe f14, 1/80s, ISO 200

René Weterings Picture is taken during a nightdive yesterday evening, water temperature was only 2 Celcius/ 36 F. My hands were very cold and painfull so taken pictures was very difficult. This was the first time I took my new set to the salt water in our coastal waters in "Zeeland".

Rob Maller .......and it worked out right! :)

Message posted on Underwater Macro Photographers on 23 Feb 2012
Taxonomy
Animalia (Kingdom)
  Chordata (Phylum)
    Vertebrata (Subphylum)
      Gnathostomata (Superclass)
        Pisces (Superclass)
          Actinopterygii (Class)
            Gasterosteiformes (Order)
              Gasterosteidae (Family)
                Gasterosteus (Genus)
                  Gasterosteus aculeatus (Species)
Associated Species