Pseudanthias squamipinnis spawning and hatching.

Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Thu Dec 25, 2014 4:32 pm

Anthias as a group are reported to do poorly in a tank.They feed continuosly in the wild, taking very small prey in the water column,off the reef structure.So very frequent feedings of small food items are advised in captivity,if the fish are going to thrive.
But I purchased three females of the lyre tail Anthias and they adapted well to the normal tank 2-3 times a day feeding schedule.Soon one of them began to show male coloration.Encouraged with these results,I added two more females,making up a nice 1-4 Anthias harem. 8)
I never saw any definite spawning behaviour,only some mild aggressive chasing by the male,which probably helps to keep his mates in the proper gender :)
But somehow,sometime,eggs are being produced every night.Lots of them! :shock:
They look much like most of the pelagic eggs we see;clear spheres,with an oil globule.
Only that they are smaller than other pelagic eggs;diameter is only 600 mics :shock:
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Re: Pseudanthias squamipinnis spawning.

Postby Amie » Fri Jan 09, 2015 8:31 pm

Luis, this is awesome . Are you planning on raising them? Take pictures of the adults as well, please.
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Re: Pseudanthias squamipinnis spawning.

Postby Luis A M » Fri Jan 09, 2015 10:00 pm

Sure Amie,this year I plan to work on pelagic spawners. :wink:
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Re: Pseudanthias squamipinnis spawning.

Postby Luis A M » Tue Feb 17, 2015 5:25 pm

The eggs develope very fast and by noon I had prolarvae hatched 8)
The oil vacuole is located at the rear first,but then it moves to the middle and later it ends at the front end,as the pictures show:
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Mon Apr 27, 2015 8:24 pm

Day 2(1DPH) prolarvae:
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Jake Levi » Tue Apr 28, 2015 11:28 am

Fascinating Luis !

What will you offer them for food?

I am looking for a small rotifer, Colurella adriatica , being tried now for Tangs.

Do you have a mic that 'feeds' to the computer? I am looking at several models now.

I am also getting very interested in Pelagic spawners, the prolarvae feed on somethings, we just need to find out what.

I am looking forward to your next pics. :D
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Tue Apr 28, 2015 3:41 pm

I plan to use naups of Parvocalanus sp.and Apocyclops panamensis.
See: viewtopic.php?f=144&t=5682 My micro-rots look very much like Colurella :?
Prolarvae get their nutrition from the yolk sac and oil vacuole.They become larvae when their foregut (esophagus) opens and thus are able to take exogenous nutrients.
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Thu Apr 30, 2015 3:47 pm

Jake Levi wrote:Do you have a mic that 'feeds' to the computer? I am looking at several models now.


No,I just take pics with my old Cybershot.
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Thu Apr 30, 2015 6:02 pm

Day 3 (2DPH)and they become larvae 8)
Eyes are getting pigmentation,and the gut is developed,as can be seen in the pics below.
There are three black dots on the upper fin fold and one in the lower fold.With a mag.glass,one sees 5 dots in line,1st being the eyes.TL is 2 mm.
Time to offer some food! :wink:
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Thu Apr 30, 2015 6:04 pm

Pectoral fins are developed too,which can be seen is a dorsal view:
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Fri May 01, 2015 4:25 pm

Day 4 (3DPH) 8)
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Walterruben » Fri May 01, 2015 8:07 pm

Gorgeous!!!
Congratulations, Luis !!!
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Sat May 02, 2015 1:00 pm

Thanks!But raising pelagic spawners is a long way.. :? .Only mandarins,with larger eggs,have been raised by hobbyists.
Six days(5DPH) now and I´m facing an NH3 peak.And I don´t see food in their guts. :?
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Jake Levi » Sun May 03, 2015 8:08 am

The first couple of days they are VERY primitive, these later days show remarkable development ! I like the anthias, maybe when I grow up I will try them. Beautiful !
Last edited by Jake Levi on Sun May 24, 2015 7:10 am, edited 1 time in total.
Reason: off thread.
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Mon May 18, 2015 2:46 pm

A new run,and this time the larvae reached the 7 days (6DPH) mark. 8)
This is the longest I could keep them alive,or any larvae of pelagic spawners,for that matter!
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby NMAJames » Wed May 20, 2015 5:33 pm

Congrats! what got you to 6 dph?
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Pseudanthias squamipinnis spawning and hatching.

Postby Crusty » Wed May 20, 2015 9:45 pm

Congrats
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Thu May 21, 2015 11:28 am

Thanks! :D I got pigmy angels and mandarins survive to day 6 (5DPH).
Now the anthias are in their day 10,(9DPH). 8)
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby charlie » Thu May 21, 2015 7:21 pm

Impressive, Luís. Do you have them in a static system, only with water changes, or do you have some sort of filtration?
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Jake Levi » Fri May 22, 2015 9:26 am

Very impressive Luis, looking forward to progress on all of these.
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Fri May 22, 2015 10:35 am

I change water as needed to keep NH3 under control.Turbidity is high,Secchi 26 cm,and I can only see one or two larvae when they rise to the surface,under the light.No way to capture one for pics or examination.But I can see they are larger,with a taller profile and large head and eyes.White,with large reddish pectoral fins. 8)
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Tue Jun 23, 2015 9:30 pm

This is a side view at 5 DPH.Higher profile and a well defined snout.
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Jake Levi » Thu Jun 25, 2015 8:23 am

Good luck, the pics are awesome.
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Luis A M » Thu Jun 25, 2015 11:48 am

Jake Levi wrote:Good luck, the pics are awesome.

Thanks,but I find it very dark :? .Perhaps I could work on the contrast.
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Re: Pseudanthias squamipinnis spawning and hatching.

Postby Jake Levi » Fri Jun 26, 2015 6:44 am

I am sure the pics of the next days will be lighter :-))

What foods do they have available to them? I would be wanting to offer a full range just due to the genus' penchant for constant feeding on small items. I am thinking that this is the big hurdle to get them beyond.
Somehow to get a dragnet full of fresh off the reef plankton and see what is in there to feed these little guys. I'm preaching to the choir I know, just frustrated. Good luck Luis. Your steady work will bear fruit.
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