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Old 02/11/2009, 11:15 AM   #1
MarcB
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Diamond goby breeding

I have a pair of Diamond gobies that I thought might breed eventually. I have no way of telling if they are a male-female pair, buy they have bonded really well, and I was hopefull.

Up until last night they both seemed fine. However, this morning, only one came out from their shared overnight burrow. I cannot see the other anywhere.

What is really strange is that the ALWAYS leave the burrow entrance open during the day. However, today, it is sealed up with larger rocks and shells.

Could the other goby be sealed inside intentionally due to spawning?

Any comments from anyone who has experiece trying to breed these fish would be helpful.

Thanks!!


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Old 02/11/2009, 03:01 PM   #2
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Update.

I did a web search and this sounds very much like the breeding behaviour of a couple of people who had Diamiond Gobies lay eggs in their tanks.

I could find nothing about the hatching and care of the fry.

I am completely unprepared for this. I was not anticipating a spawning event this quickly. The tank is LOADED with copepods. will the fry be able to eat these or what else should I try and do?

(I have double-posted this in the general fish forum. there seems to be more traffic there. I hope that's OK)


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Old 02/11/2009, 03:57 PM   #3
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Definitely sounds like breeding behavior It's been a few years since I had a breeding pair, IIRC hatch is 3 days after the eggs are laid. Like most fish that hatch that fast, they hatch very small with an oil globule that they subsist on the first day or two. I'd try them on S strain rots or copepod nauplii.


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Old 02/11/2009, 04:17 PM   #4
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Quote:
Originally posted by billsreef
Definitely sounds like breeding behavior It's been a few years since I had a breeding pair, IIRC hatch is 3 days after the eggs are laid. Like most fish that hatch that fast, they hatch very small with an oil globule that they subsist on the first day or two. I'd try them on S strain rots or copepod nauplii.
I do have a very healthy and large copepod population in the DT. would they feed on those, or something more specific? I would expect minimal survival leaving them in the DT.

I can try moving them to the fuge, or setting up a 10gallon or something. What do I need?


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Old 02/11/2009, 07:57 PM   #5
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Too many hungry mouths in the display tank. You would need to set up a seperate larval rearing tank to move the larvae too. Too produce enough copepod nauplii would require setting up a seperate rearing tank for those all. There is a sticky thread at the top of this forum on growing micro foods, well worth the read. They will spawn every couple of weeks, so I wouldn't worry about rearing this batch, but start getting ready for the next


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Old 02/11/2009, 08:17 PM   #6
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Quote:
Originally posted by billsreef
Too many hungry mouths in the display tank. You would need to set up a seperate larval rearing tank to move the larvae too. Too produce enough copepod nauplii would require setting up a seperate rearing tank for those all. There is a sticky thread at the top of this forum on growing micro foods, well worth the read. They will spawn every couple of weeks, so I wouldn't worry about rearing this batch, but start getting ready for the next
I could probably set up a tank to just house pods in preparation for a batch of fry. Is that what you mean? Would a dedicated tank for just pods and the larvae/fry be all I need?

I plumbed my fuge with extra bulkheads that have unions and valves but are not hooked up to anything. I could probably link something in to it fairly easily, and have a segregated area with all the benefits of being attached to a large system.

Thanks.


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Old 05/07/2009, 09:25 PM   #7
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Same thing is happening in my tank... Since the larvae/fry move in the currents how would one do that with out killing and do water changes.

Will a permanent coffee filter work? I think I am going to draw out some plans for my next batch... Man I love these fish.


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Old 05/08/2009, 02:51 PM   #8
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I wouldn´t worry too much until I have larvae or evidence of a spawning.
But then,you can work either with rots or calanoid copepods.Larvae are pelagic and you need pelagic prey.Harp pods are completely useless


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Old 05/08/2009, 03:42 PM   #9
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Does anyone know how big the larvae get?


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Old 05/08/2009, 05:21 PM   #10
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How big they hatch?.Tiny.Lots of them but tiny.Perhaps rots are too big a prey for them.I don´t know of any Valenciennea gobies successful raising.


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Old 05/08/2009, 05:49 PM   #11
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Hrm... Research!

I am going to design up a tank. Look at food choices. Test some filter material for flow rates....

Research! =)


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Old 05/17/2009, 04:02 PM   #12
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Eggs...

I got some of the eggs out of the main tank to observe how small/big/time it takes. I am going to sketch up some tank mods for to make a rearing tank. There is not much out there on how to breed these funny little fishes.





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Old 05/18/2009, 07:56 AM   #13
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Is it just me or does that just look like some air bubbles stuck to a piece of hair algae? I've never seen diamond goby eggs, so maybe I don't know what I'm talking about.

Scott


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Old 05/18/2009, 11:47 AM   #14
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Kinda looks similar to an egg mass of a pair of watchmans. Slightly different though. Did they lay them in the top corner or did the mass float there?


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Old 05/18/2009, 12:12 PM   #15
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It most likely it was in their den and was released out (unstuck) from there. I found the egg mass stuck to some live rock in the morning.

I'll try to get better photos.


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Old 05/18/2009, 03:34 PM   #16
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Ok... The specimen container now does not hold any eggs so they all must of hatched over night. I do not see anything but the air bubbles from the air stone. Does anyone know how small the larvae get?


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Old 05/18/2009, 07:37 PM   #17
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Eggs Stll There!

False alarm... The egg bunch was under the bit of live rock. I have noticed the eggs themselves are a bit bigger today. Tomorrow I will bring a manual focus camera so I can get a good shot.




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Old 05/18/2009, 11:07 PM   #18
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Makes for easy collection


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Old 06/27/2009, 10:39 PM   #19
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keep us updated please do the eggs have to be well airarated to keep from bacteria to develop


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Old 08/30/2009, 06:19 PM   #20
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Sorry for not updating but moving to a new house sure takes a lot of work...

Well the eggs one day all disappeared so I believe they all went into larvae state and I had no way of keeping them. Now that I am in my new house I can build a proper tank for the larvae and see what happens....

Can't wait until my next spawning...


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Old 12/06/2009, 01:55 AM   #21
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maybe i missed something. how did the eggs get out of the goby's den? my goby pair is starting to behave differently too. aside from their constant burrow excavating, the male (i'm assuming because he's got more orange spots and a little more yellow) swims in front of the female with is body bent in a weird way momentarily. sometimes he sways his tail back and forth.

he buries female in the den for most of the day but she still comes out to eat. hum..I wish I had a camera in their den to see what's up. I have video of them building their den but it doesn't do much good if I can't see what's happening in there.


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Old 12/06/2009, 09:00 AM   #22
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When the female gets buried in, it's generally because she's tending eggs. So it's a good bet they've spawned


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Old 12/18/2009, 05:26 PM   #23
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I know when my two were going to do the nasty one would kiss the other a lot. Pushing and kissing in a circle. Now that the female or male (cant tell) got attacked and died I don't know if him/her will pair up again. Freakin yellow tail damsels I hate those fish...


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Old 02/04/2015, 12:40 AM   #24
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I found my couples den and can see in.. It's too cute.. (though I'd share)


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Old 02/04/2015, 05:25 AM   #25
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