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2 years of Goniopora research.
....... and continuing!

 

Goniophytes (Baby Goniopora):

As mentioned in the Species Info section, the stokesi species of Goniopora are referred to as “Free-Living” and can reproduce asexually by dropping multiple buds or “Goniophytes”. Once the goniophyte has become detached from the mother colony, it falls to the substrate and is left to fend for itself. The picture at your right is an example of what a mother colony looks like when its polyps are retracted and its "babies" are still attached. (Click on the picture to see a close up). When a new bud begins to form, from what I can tell, it appears as a small bump on the colony surface between the adult polyps. The catalyst that causes the goniopora to begin its asexual reproduction cycle is currently unknown, but it probably has to do with the intrinsic complexities of spherical geometry when applied to Intelligent Design and the Theory of Natural Selection :) Actually, the goniophytes on my specimen all seem to be growing in the same location where I do the majority of my spot feeding. After these detach from the mother colony, I will begin spot feeding on the other side to see if there is any correlation between feeding location and goniophyte formation; there probably isn't though.

The adult polyps of the goniopora are longer than the goniophyte polyps and tend to shade them from the light and possibly, to some degree, from free-floating nutrients. On my particular specimen, you can see in the picture to the left that the goniophyte polyps are more brownish in color and therefore probably have a greater dependence on the zooxanthellae contained within the polyps for their nutritional needs. As the goniophytes develop and grow, there are many instances in the day and at night, where the mother colony retracts all of its polyps while leaving only the goniophyte polyps extended (lower left picture). This behavior happens regularly enough to hypothesize that the mother colony occasionally retracts for the purpose of allowing the goniophytes access to nutrients and light. I believe it is also helpful to specifically target feed the budding goniophytes a variety of small foods while they are still attached to the mother colony. This may prepare them to recognize, accept, and consume target fed foods once they have left the mother colony and are on their own.
--------Hint: You can make your Goniopora close up by gently blowing water on it with your target feeding device until the polyps retract; Goniopora do not like being subjected to direct water flow. This is useful for inspecting it or taking pictures of it (top picture on this page) :).

 

After a goniophyte has become detached from the parent, it needs to be provided with an appropriate place to reside where it can remain confined to a relatively small area within the tank, such as a Baby Pen (click link for baby pen tutorial). If not immediately confined, it will easily blow around, either by water current or by fish fins, and magically disappear into the rock work. Once it is set in a pen or similar structure, it needs to be left alone. It will get tipped upside down and be blown around within its space by fish fins, but somehow it usually seems to correct itself. If it remains upside down for very long, you can gently tip it over with your target feeding device or finger tips. If the goniophyte is real small, it may be difficult to tell which is the top and which is the bottom. You'll have to look carefully for the bare skeletal spot to see the difference; the bare spot being its bottom.

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