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Unread 07/16/2019, 09:14 AM   #151
CoralsAddiction
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One of the fish stores in Orange County has these on a special for $39.99 all the time. Too bad my tank has no sand. They are pretty.
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If your LFS gets stuff from Pacific Aqua Farms they had quite a few of these jawfish in stock yesterday.
I remember when they were $40 retail.


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Unread 07/16/2019, 09:30 AM   #152
ThRoewer
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I remember when they were $40 retail.
Not anymore. Now it's $150.
Given that and the rather spotty supply from Mexico it's time to get these guys captive bred.

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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 07/16/2019, 07:28 PM   #153
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When KP started selling juveniles I asked what was the benefit and they told me that since they where not developed they still could change sexes. I watched a video once of someone that had hatched and then was able to raise them to maturity. Each one had their burrow about 6" from the other. It was neat to watch a bunch of them in a tank together. ...
Juvenile BSJ or Yellow Heads?


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 07/17/2019, 04:59 AM   #154
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KP only sells what they collect most of the time which is yellow heads. They are better looking than their Pearly cousins from the Caribbean Islands. It would be very nice if someone could start raising BSJF babies, many have tried hopefully someone figures it out


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Unread 07/17/2019, 05:37 AM   #155
OrionN
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I thought that Yellowhead Jawfish is a synonym of Pearly Jawfish.


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Current Tank Info: Reboot 320 anemones reef. Angels: Yellow Chest Regal(2), Flame (2). Copperband But. Tangs: Yellow, Purple. Wrasse: about 20 wrasses various species. Anemones: Giantea X4 (Breen, Blue, Purple and Multicolors), Haddoni X1 Red, Magnifica X1 Purpletip
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Unread 07/17/2019, 11:06 AM   #156
ThRoewer
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Originally Posted by OrionN View Post
I thought that Yellowhead Jawfish is a synonym of Pearly Jawfish.
It is.


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 07/17/2019, 06:33 PM   #157
ThRoewer
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Originally Posted by alton View Post
KP only sells what they collect most of the time which is yellow heads. They are better looking than their Pearly cousins from the Caribbean Islands. It would be very nice if someone could start raising BSJF babies, many have tried hopefully someone figures it out
Yellow Head Jawfish (O. aurifons) forming pairs that share a burrow is actually atypical for jawfish. All other jawfish I know of live alone in their own burrows with often significant distance between males and females. So I would be hesitant to transfer sex change observations on Yellow Heads straight to other jawfish.

As for breeding BSJ - I don't think their larva are any harder to raise than those of other jawfish. I definitely plan on trying. I got O. randalli to 2 weeks, close to settling down and only failed because I ran out of pods and had to use brine shrimp (which ultimately killed them).


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 07/23/2019, 11:27 PM   #158
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All 3 are still alive and get kind of along. The last one has been banned to a corner near the one of the larger he was fighting with and it seems that they found an agreement. Before they were fighting a little, but aside from a bloody lip on the bigger one no permanent damage was done.
Now it's basically down to the larger one threatening the newcomer. During those displays of superiority the larger one sometimes displays a color scheme close to that of flashing males. So I may very well have two males now.
The brighter colored one of the first larger two is definitely a female and she keeps her distance from the two "males".

I hope I will be done soon with "remodeling" the fish-room so that I can give them a larger tank.

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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 08/01/2019, 06:25 PM   #159
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Judging by their behavior I'm now fairly certain that I have two females (the two larger ones) and one male (the smaller one I added later). At this point the small one is certainly the dominant one.


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 08/12/2019, 01:30 PM   #160
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At this point the small one is certainly the dominant one.
Very interesting.


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Unread 08/12/2019, 03:01 PM   #161
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So far they haven't killed each other and despite the usual burrow swapping they kind of get along now.
The brighter colored one of the three is definitely a female and not much involved in the squabbling of the other two.
But with the darker colored two I'm still not sure if they are male or female. The fact that they haven't killed each other yet kind of speaks against both of them being males...
I guess only time will tell.

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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 08/23/2019, 01:00 AM   #162
ThRoewer
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So, the one I initially thought to be the female is definitely a male. He shows by now the distinct mating coloration.
The one I originally thought to be the male is a female, her fat belly is pretty conclusive.
Only about the smaller one I added later I'm not sure yet. He shows a coloration that is very close to the male mating coloration and is also acting like a male. The only confusing thing is that he by now gets along fairly well with the large male.

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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 03/28/2020, 02:03 AM   #163
ThRoewer
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Time for an update on my 3 little Mexicans:
All 3 are still doing fine despite me not doing much on their tank aside from tossing in food and doing water changes when it gets too yellow... can't remember when it was the last time and it kinda starts looking like pee again so I guess it's probably due...
Their tank has only a powerhead pump and a by now defunct airstone skimmer:



So much for them needing pristine water quality...

BTW, I got a new 75-gallon tank for them, but that's right now used for water mixing.


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 05/03/2020, 05:49 PM   #164
ThRoewer
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As it turns out I have 2 males and one female in my trio.
One male is right in the front and he is flashing a few times throughout the video.
The second male is in the back in this perspective and he can be seen flashing at about 3:04




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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 05/27/2020, 02:18 PM   #165
ThRoewer
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I have to correct myself: the one in the front is a female after all.
So just one male (the smaller guy in the back) and two females (the two in the front).
The interesting part is that she shows a very similar color pattern as a flashing male with pale to nearly white front body color and a dark tail area. The colors are less defined as in a flashing male but strikingly similar.
It seems the females use a similar color pattern as the males to signal their readiness to spawn. Interestingly, I not found anything about this in the literature.


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 05/28/2020, 01:31 AM   #166
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He is now doing his dance for almost a week and the females still pretty much ignore him. But the female in the front is pretty gravid and sooner or later she will have to mate with him...




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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 05/28/2020, 07:42 AM   #167
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That's really cool! I never knew that they flash like that. The colors totally change on them!


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Unread 05/30/2020, 07:22 PM   #168
ThRoewer
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Yesterday the female in the front corner looked like an overstuffed sausage. When I checked on them today she looked more normal again. The male also stopped flashing and doesn't leave his burrow, not even to eat.
So it looks like they spawned...
Now I need to figure out how to harvest up to 3,500 larvae, up to 7,000 if he spawned with both females...


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 05/31/2020, 04:00 AM   #169
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Video from Friday night before the spawn:



Both females are extremely agitated.


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 05/31/2020, 02:48 PM   #170
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That is really exciting. Congratulations. Hope you can raise them. That would be a site to see a tank full of baby blue spot


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Unread 05/31/2020, 05:26 PM   #171
ThRoewer
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That is really exciting. Congratulations. Hope you can raise them. That would be a site to see a tank full of baby blue spot
I definitely plan on trying. A few hundred of them would be nice.

The male hasn't been out all day so far, not even opened up his burrow. This fits their breeding behavior.
At the same time the other female has gone on a construction spree and started rebuilding her burrow.

Sent from my XT1254 using Tapatalk


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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 06/01/2020, 04:06 AM   #172
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The females a day after the spawn. The male is watching the eggs in his burrow and didn't open it up all day. At the same time, both females decided to rebuild their burrows...




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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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Unread 09/11/2020, 11:36 AM   #173
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Any updates on these guys?


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Unread 09/11/2020, 03:11 PM   #174
ThRoewer
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Any updates on these guys?
No, I currently don't have much time for them but they are continuing to do their thing.
I plan to move them to a larger tank soon where I can give them a deeper gravel layer and install a sump with skimmer, algae refugium, and most importantly a larvae collector.

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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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