anyone know what this is?

Jisko

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20180106_183142.jpg
 

KJ

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:eek: good or bad haha
Scale worms are slow moving predators which feed on small prey such as small crustaceans, echinoderms, polychaetes, gastropods, sponges and hydroids .
 

Mastering the art of locking and unlocking water pathways: What type of valves do you have on your aquarium plumbing?

  • Ball valves.

    Votes: 66 52.0%
  • Gate valves.

    Votes: 67 52.8%
  • Check valves.

    Votes: 32 25.2%
  • None.

    Votes: 28 22.0%
  • Other.

    Votes: 9 7.1%
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