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Xenia Chokes Out Other Softies?


Derek

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Besides growth rates and I do not see consistant growth rates from one tank to another, how animals respond to shading is a factor also. In the attached photo the xenia, which once had the entire area now shared with the anthelia an zoas, is losing out to both anthelia and green/orange zoas but for different reasons.

In the case of the anthelia X xenia the xenia is getting shaded by the anthelia so it can't get close to really do any chemical warfare (although from what I've seen xenia does not seem to be as aggressive like some zoas or mushrooms) and is losing out to the anthelia.

In the case of the green/orange zoas X xenia this species/variety of zoanthiid has shown an adaptability to a wide range of lighting so it is not bothered by being shaded by the xenia. Even though the xenia will stick and grow on the "feet" of the zoas the zoas are able to grow dense enough even though they are shaded they eventually choke out the xenia. With some of the zoanthiid species that have a more sparse growth habit or need bright light to thrive I would not be surprised to see xenia win out by being able to shade the zoanthiid.

As far as Sinularia sp. Unless the xenia can shade a speciman or colony I'm going to go with the Sinularia sp. with thier taller growth habit eventually shading and outcompeteing the xenia.

post-1247-0-13021900-1346111408_thumb.jp

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