My Blue Damsels are nesting

BreefMe

New member
I have set up my 180 gal tank, finally. All is going great. The fish I transferred from my smaller tanks have really thrived.

I had 4 blue damsels. I didn't mind letting them go in the big tank; they have always been good and never ate any coral. They also were reasonably social for Damsels.

I have a good amount of rock of which a large portion is Marco rocks. With in about a month's time or so the Damsels began digging out homes for themselves under the large rocks. At first I thought it was amusing. After I began to really ovbserve the behavior, I starting semi-thinking it might be more. Only the 2 largest Damsels, about 3 inches, were the ones making homes. They also were a little bit bloated during this time as well. They were unusually protective of who ventured near. They weren't nipping, but they were not affraid to chase who ever came a little too close.

They would even go in their home and carry out the many Iyanassa Obsoleta snails that I have for my clean up crew. They were carrying them out in their moutths and dropping them. After watching this I was pretty sure they were definitely nesting.

So, I said to myself, this is only worth while if there is a male around; I assumed it was the females that built the borough. Then one day I saw what I was looking for. The Female came out and escorted one of the males into the borough - the males were smaller in size at about an inch and a half to 2 inches, but they were the same age as the larger fish. I knew that the male had to be in there fertilizing the eggs (I'd like to think so anyway); there is no way that with the prior behavior I observed when the nest was being built that the female would ever let anything in there.

So there you have it. I am near certain I will have baby Damsels at some point. I have absolutely no idea what so ever what the gestation period is for the eggs to hatch. Any guesses. I will worry about the fish population after the hatch. I figure I will lose a lot to predation, but there is a good chance some will make it because there is so many places to hide. I don't even know how many eggs would be in a clutch.

Oh well, that's my story.

One last question; I have green caulerpa in my fuge; not red caulerpa. Is there any danger with the green caulerpa going asexual? I know the red can be very toxic and can wipe out a fish tank in hours.

If the green caulerpa is bad, it goes tomorrow. I just have to shake off as many pods as I can.

Thanks.
 
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I am sorry to bear bad news, but you will likely wish you had gestated a baby yourself instead of the fish having babies. They can be quite challenging to rear, provided they get to that point. Feeding fry is time consuming and expensive. If you let them go free in the tank they will not likely survive at all since ensuring proper feeding will be nearly impossible and they will be a tasty treat to many other common tank inhabitants.

On the other hand, that is a wonderful story and I think it's really interesting to watch that sot of thing. It kind of makes you forget that you only have an ocean-in-a-box when they behave much as they would in the wild. Good luck with those fish and keep updating this thread as things progress.

Pics are fun too :)
 
I am not really sure about the caulerpa going asexual, I had some for a while but I switched over to chaeto. I didn't have any problems myself, but I had it for just a few months. I do know that it is considered to be a noxious pest outside of the aquarium, and it was that semi-rational fear that drove me over to chaeto.

I wouldn't rip it out tonight, but I would repost just this question with an appropriate title to get some better answers than what I just gave you :)
 
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