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Breeding Journal, Species: Pterapogon kauderni
Saturday, April 28, 2012 11:37 AM
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Breeding Journal DataSheet This first post should be updated regularly to include new information as events take place or changes are made to your system General Species: Pterapogon kauderni Social Structure: Shoal (currently 8, reduced to 6, see misc info) Size of Individuals: varies but about 3", females are bulkier than males Age of Individuals: varies Date added to Tank: 04/24/2012 Broodstock Tank Details Size of Tank: 3x2x2 Substrate Details: None Filtration Details: Skimmer, UV, Macro Algae, Live Rock, Carbon, GFO and ATS Water Changes: 100L Fortnight Water Temperature: 27C Lighting: 120W LED Light 50/50 white/blue Lighting Cycle: 7am to 7:45pm blue. 7:30am to 7:30pm white Other Tank Inhabitants: Oxycirrhites typus (Longnose Hawkfish) Broodstock Feeding Details Food Types: Live Brine Shrimp, Frozen Brine Shrimp, Frozen Mysis Shrimp, New Life Spectrum pellets Feeding Schedule: Morning and Night. Spawning Details Date of First Spawn: 2/1/2013 (not recorded for 60 dps report) Spawn Time of Day: Unknown Dates of Consecutive Spawns: 1-2 times per month. Settlement hatch 03/19/2014 spawn was not recorded. Courtship Details: Unknown Egg Size: 3-5mm in diameter at 2 1/2 weeks, unknown at spawn Egg Color: cream/grey at 2 1/2 weeks, unknown at spawn Egg Count: 25-30 eggs Hatch Details Hatch Date: 2/20/2013 - 2/22/2013 (3/19/2014 for 60 dps report) Hatch Time of Day: through out the day # Days after Spawn: 20-22 Larvae Description: miniature adults with large bellies. Or alternately a ball with fins. Consecutive Hatch Dates: None as yet Larval Tank Details Temperature: 27c Size of Larval Tank: 300mm x 300mm x 300mm Substrate Details: None Other Tank Decor: heater Filtration Details: Sponge filter Lighting: CF Globe Lighting Cycle: 9am to 7pm Water Changes: As needed but a minimum of 25% per week Larval Feeding Details Food Types: newly hatched BBS, supplemented with golden pearls also offering Cyclopeeze (rehydrate freeze dried) Feeding Schedule: continuous (new additions morning and night if required) Metamorphosis/Settlement Date of Settlement Start: 2/23/2013 (3/19/2014 for 60 dps report) Days after Hatch: 3-4 Days Date of Settlement End: 2/24/2013 (3/19/2014 for 60 dps report) Description of Fry: The fry have now fully absorbed the egg yolk and look like a small version of the adults. Grow-Out Tank Details Temperature: 26C Size of Grow-Out Tank: L 600mm x W 200mm x 400mm Substrate Details: None Other Tank Decor: Heater Filtration Details: Sponge filter Lighting: CF Globe Lighting Cycle: 8am to 8pm Water Changes: As needed but a minimum of 20L per week Size at Transfer: 20mm Age at Transfer: 75 days Grow-Out Feeding Details Food Types: NHBBS, crushed NLS pellets Feeding Schedule: morning and night Additional Information (No Pictures or Videos in the Section Please) Miscellaneous Information: 2/17/2013 The tank size listed above is the tank that the male and female pair who were in a group of 8 fish together were in, not the tank they were being transferred to. They had been separating themselves for a couple of weeks and I figured I would separate them. The male spat out eggs into the net. I looked at the male some more to see if he still had any more and ended up with a handful of eggs. The eggs were artificially incubated for the last few days 2/17/2013 - 2/22/2013. This involved putting the eggs into a glass conical flask (1000ml) filled with tank water. This was then placed in a hatching tank, with a sponge filter, heater and a water pump. The water level of the hatching tank is such that there is a 3-5mm fall from the lip of the flask to the tank. The water pump has a long screened input pipe, to discourage input suction of fry (it is about 12" long). The pump then is piped to the top of the flask and the water directed into the flask, so that the eggs are in continuous motion. They are not really tumbling, just moving. The pump also has a bypass tap, so that the water flow into the flask can be tuned to a low enough setting. I'm using a 500L/h pump, feeding two separate flasks of eggs, plus the bypass valve. You will be required to provide photographic or video evidence in this thread of each event submitted for the MBI Program. If your thread does not contain these photos the MBI Committee will not be able to approve your reports. PHOTOS AND VIDEO S MUST BE PLACED IN ADDITIONAL POSTS, NEVER IN THE FIRST POST IN A JOURNAL.
<message edited by CaptCrash on Wednesday, June 4, 2014 9:24 PM>
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Re: Breeding Journal, Species: Pterapogon kauderni
Saturday, April 28, 2012 12:01 PM
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Good luck.
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Re: Breeding Journal, Species: Pterapogon kauderni
Thursday, May 10, 2012 10:34 AM
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Picked up another pair tonight that have been breeding but eating the eggs. Hopefully with some alone time rather than being in a reef tank, they can get to it.
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Re: Breeding Journal, Species: Pterapogon kauderni
Thursday, May 17, 2012 6:10 AM
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 Originally Posted by CaptCrash
Picked up another pair tonight that have been breeding but eating the eggs. Hopefully with some alone time rather than being in a reef tank, they can get to it. It looks like the male is holding eggs. His jaw seems fatter than usual, a little puffy in the cheeks (best way I can describe it). He is also not got his mouth fully closed. It sort of looks like he has a fat lip. He did not eat tonight, but he did this morning I think. My understanding is that he has previously been holding for 3-4 days then eating them but was in a community tank. The pair are in a quarantine tank with a pair of b/w occys. For those who have dont it, how do you get him to spit them out? Is day 2 or 3 too soon?
<message edited by CaptCrash on Friday, May 18, 2012 9:10 AM>
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Re: Breeding Journal, Species: Pterapogon kauderni
Friday, May 18, 2012 7:33 AM
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Male did not eat this morning or tonight. He swam to the back of the tank when I was feeding. The female and the two clowns all ate. I havent been able to see eggs yet, but it seems like he has something in there.
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Re: Breeding Journal, Species: Pterapogon kauderni
Saturday, May 19, 2012 11:05 AM
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That sounds like typical holding behavior to me. He must have a small mouthful because it is usually very obvious that he has his mouth full. They gill plates will be flared out, and under their jaw. Look in my breeding journal for a pic if you want. I'm in a worse boat than you, my male won't hold longer than about 36 hours. I just pulled a batch from his mouth yesterday that they spawned yesterday. I didn't give him any time to mess up. Haha! However, success with artificial incubation of Bangaii Cardinal eggs is really poor, and the "younger" the eggs are the worse it is. Egg development changes with temperature, so the eggs will take 21-25 days to hatch (this length of time is probably why AI is so difficult), and the babies will be born as larvae like clownfish. They don't take long to settle though (I think just a few days, but I can't remember for sure). I've had a lot of AI attempts result in babies with swim bladder issues, and I'm not sure what the problem was there. I found that the earlier I pulled the eggs the slower the juveniles developed. If I pulled the already settled fry at 25 days they were very robust and developed much faster than if I pulled the larvae at 21 days and waited for them to settle. Maybe if my setup had been more appropriate for larval fish the development would have been par, I'm not sure. I've heard that the addition of Formalin to the egg tumbler will increase the development rate, but I'm not sure on dosage or long-term effect. If I were you, I would let the male hold the eggs for 3 batches and see how he does. He's just settling into a new home, and as time goes by he may get better. If you can get him to hold for 2-3 weeks you're laughing as the babies are quite easy to raise from about 21 days and on, and AI is much more successful if you can at least get a couple weeks out of him.
<message edited by EasterEggs on Saturday, May 19, 2012 1:06 PM>
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Re: Breeding Journal, Species: Pterapogon kauderni
Tuesday, May 22, 2012 7:21 AM
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I got a quick glimpse of what I think was eggs in his mouth this morning as he was moving his jaw around and puffing out his cheeks. He changed his behavior at the morning feeding, for the last few days he swam away from the food to the back of the tank. This morning, he was swimming with the female whilst she was eating. Tonight, he was eating, so he held eggs for 5 days.
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Re: Breeding Journal, Species: Pterapogon kauderni
Wednesday, September 5, 2012 9:59 AM
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One of my males is carying and has a very big mouthful. It looks like he has a dislocated jaw its so puffed up. This is is a tank with eight Banggai's. Also I was given some one day old fry tonight, so I now have 12 fry to raise and practice with.
<message edited by CaptCrash on Wednesday, September 5, 2012 12:03 PM>
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Re: Breeding Journal, Species: Pterapogon kauderni
Wednesday, September 5, 2012 8:59 PM
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congrats!!! love the lil guys! Rearranging my tanks to get cruising too.
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Re: Breeding Journal, Species: Pterapogon kauderni
Thursday, September 6, 2012 9:35 AM
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Those little guys are so cute! I want some!
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Re: Breeding Journal, Species: Pterapogon kauderni
Thursday, September 6, 2012 10:38 AM
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The are really good fun to just watch. They are so different to clown larvae. Its really weird in a fun way, they are exactly like the adults just in a mini size, but they are sort of uncoordinated with their movements. The funniest part is when the lights go out, they sink to the bottom of the tank and just rest on the bottom with the occasional bob. I was worried about this behaviour last night, but they did the same thing tonight, so im hoping that its normal. I have a lot of NHBBS in with them and they have big round bellies already which is good.
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Re: Breeding Journal, Species: Pterapogon kauderni
Wednesday, September 26, 2012 5:03 AM
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Any new updates?
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Re: Breeding Journal, Species: Pterapogon kauderni
Sunday, February 17, 2013 4:26 AM
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Over a period of about 6-8 weeks I lost all of the batch of fry. I would find one dead on the bottom in the morning, then a couple of days later another one. This went on over a couple of weeks. I even separated them into two batches in case it was aggression (but none of them were damaged). Finally, the last one went. I had no luck getting them to eat anything other than baby brine shrimp. Occasionally they would take a pellet, but spit it back out. I expect that nutrition was probably the issue.
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Re: Breeding Journal, Species: Pterapogon kauderni
Sunday, February 17, 2013 4:29 AM
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On happier news I now have a batch of eggs in a tumbler as a male spat them out when he was being moved to a new tank. In total there are about 25-30 eggs. I have them in an flask with water being pumped into tumble/move them around. The eggs are about 2 1/2 weeks old, with big eyes.
<message edited by CaptCrash on Sunday, February 17, 2013 8:32 AM>
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Re: Breeding Journal, Species: Pterapogon kauderni
Tuesday, February 19, 2013 10:17 AM
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They are starting to flutter about. Its really odd seeing an egg with a fin(s). I think Im going to be a daddy!
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Re: Breeding Journal, Species: Pterapogon kauderni
Wednesday, February 20, 2013 7:27 AM
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Well, they seem to be developing ok. I have about 12 that are out of the flask now, with another 15 or so still to leave the flask/start swimming. 5 of these are laying on the bottom 7 are swimming around All of them spent the first few hours laying on the bottom, once out of the flask. Then after resting start to swim around. well enough delay, on with the pic I was going to wait for 24-48 hours before offering NHBBS to give them time to use up some of the egg sack and allow the others time to hatch. If they had gone full term with the male, Im guessing that they would be a few days from being released. Does anyone think I should feed sooner or wait longer?
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Re: Breeding Journal, Species: Pterapogon kauderni
Wednesday, February 20, 2013 9:29 AM
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Congrats!!! You could add a very small amount of NHBBS and see if they go for them or not. I think no harm done. NHBBS have a long way to grow to outgrow the size of a Banggai's mouth, they just become much less nutritious. The trick to getting them from NHBBS to frozen Cyclopeeze is to start young! Start offering frozen Cyclopeeze mixed with the NHBBS on day 3 or 4. As soon as they start crowding the front of the tank waiting for food they are ready to get weaned. Feed them just a tiny bit of the mix at a time so that they continue to gulp food blindly (baby Banggai are very aggressive feeders) so they will eat the Cyclopeeze without looking. Slowly phase out the NHBBS. With this method you should get them weaned off NHBBS by 10 or 12 days maximum. Any longer than that and it seems they never get weaned. HTH.
Don't let fear and common sense stop you! =]
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Re: Breeding Journal, Species: Pterapogon kauderni
Wednesday, February 20, 2013 9:41 AM
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cool, thanks for that. It was my next worry.
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Re: Breeding Journal, Species: Pterapogon kauderni
Thursday, February 21, 2013 7:06 AM
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Well, the count is 23 swimming (2 were dead on the bottom) around eating brine shrimp as fast as they can find them. Looks like 3 more to go and the batch is complete. They have massive egg sacks still, and are barely a fish yet but that is not stopping them from eating everything that moves.
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Re: Breeding Journal, Species: Pterapogon kauderni
Thursday, February 21, 2013 10:22 AM
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I told you they are aggressive feeders! Hahahaha!!! Can you buy frozen Cyclopeeze in AU?
Don't let fear and common sense stop you! =]
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