Tropical Fish Keeping - Aquarium fish care and resources

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GwenInNM 03-05-2012 02:58 PM

Advise about fry and tank mates
 

I need help with something. Should I remove the 7 Cardinal tetras out of the 30 gal they are currently in with my 2 German Rams and their tiny fry? I can put them in a 5 gallon temporarily. If I did move them, it would be stressful for everyone trying to catch them, but once they were out, the fry would be completely safe, as there is no one else in the tank, but the parents. Ideas? I have hopefully found a new home (unless the guy flakes, he's coming tonight for her) for the other female I have. I'll miss her, but it's best for her, so she's not chased and potentially hurt, by the mated pair in the tank. This guy has a 125 gal with 15 GBR's and discus. I feel good knowing that it probably can't get much better than that :-D

BTW, the parents are doing a great job keeping the fry in a certain area, but it looks like this will get more challenging for them, and I really don't know how long they will protect their fry - anyone know that?

Gwen

GwenInNM 03-06-2012 07:53 PM

Quote:

Originally Posted by GwenInNM (Post 1003887)

I need help with something. Should I remove the 7 Cardinal tetras out of the 30 gal they are currently in with my 2 German Rams and their tiny fry? I can put them in a 5 gallon temporarily. If I did move them, it would be stressful for everyone trying to catch them, but once they were out, the fry would be completely safe, as there is no one else in the tank, but the parents. Ideas? I have hopefully found a new home (unless the guy flakes, he's coming tonight for her) for the other female I have. I'll miss her, but it's best for her, so she's not chased and potentially hurt, by the mated pair in the tank. This guy has a 125 gal with 15 GBR's and discus. I feel good knowing that it probably can't get much better than that :-D

BTW, the parents are doing a great job keeping the fry in a certain area, but it looks like this will get more challenging for them, and I really don't know how long they will protect their fry - anyone know that?

Gwen

Okay, I've gotten no replies :-( but I've taken the everything out of the tank but the parents and the fry. Now, the parents can raise the fry without all the stress of them getting eaten :)

Byron 03-07-2012 11:17 AM

Sorry Gwen, I didn't see your initial post until now.

Now it's done, leave it. But in future, I would not worry about cardinals. The cichlid parents are pretty good at protecting the fry during light, which is when the cardinals are out and about. It is in darkness that trouble can occur, but cardinals sleep during darkness. Catfish like corys, pleco, etc. that are nocturnal will get the eggs or fry, since the cichlids are also resting during darkness and not able to protect them. This is why I always cautino against any catfish in tanks where spawning is wanted to succeed.

When my Mikrogeophagus ramirezi spawned, it was the corys that got the shoal of fry, and during daylight too; corys are too determined in a group for the parents to fend off successfully. My Bolivians, M. altispinosus spawned 4 or 5 times in the 115g which is full of characins and corys. Each time the eggs or fry disappeared during darkness, to the corys. In daylight the parents easily defended them from the 60 or so characins around them.

Byron.

GwenInNM 03-07-2012 12:30 PM

Quote:

Originally Posted by Byron (Post 1005999)
Sorry Gwen, I didn't see your initial post until now.

Now it's done, leave it. But in future, I would not worry about cardinals. The cichlid parents are pretty good at protecting the fry during light, which is when the cardinals are out and about. It is in darkness that trouble can occur, but cardinals sleep during darkness. Catfish like corys, pleco, etc. that are nocturnal will get the eggs or fry, since the cichlids are also resting during darkness and not able to protect them. This is why I always cautino against any catfish in tanks where spawning is wanted to succeed.

When my Mikrogeophagus ramirezi spawned, it was the corys that got the shoal of fry, and during daylight too; corys are too determined in a group for the parents to fend off successfully. My Bolivians, M. altispinosus spawned 4 or 5 times in the 115g which is full of characins and corys. Each time the eggs or fry disappeared during darkness, to the corys. In daylight the parents easily defended them from the 60 or so characins around them.

Byron.


Thanks Byron. The worry for me is the tank is only 30 gallon. I'm not sure they would have eaten them, but the male was really ramming them, and it was stressful I think for all. These fish (maybe all fish) are so strange in how they change their "purpose". As of this morning, now neither parent seems to show any interest -but the male is keeping the female away in general, more than before. Chasing her when I feed them etc. Sadly, I'm only counting maybe 8 fry, maybe more, but I'm concerned because they are not growing. I have been syringing in frozen baby brine shrimp. Today went and got a fry food, and squirted that in the corner where they are some. Hard to tell if they were eating it or not. I've posted a video under the video forum, if you want to see them. I can't say they've grown since then. :cry: That is probably not good.

Before today, the parents were grabbing them, taking them back to a corner, and spitting them out. I did see the male grab 2 today, but he spit them out, in the middle of the tank, pretty much where they were when he got them. I'm guessing, they are dying or the parents (maybe the female) is eating them.

I hated to get rid of the female GBR I had only recently bought, but I figured if this pair bred once, they'll do it again, and another female in the tank is just not enough space. Any feedback on all this? I won't lose hope if they all die, I've learned from it I guess. Maybe I need to grow my own baby brine shrimp that is live.

Gwen

Byron 03-07-2012 01:59 PM

About the best first food for cichlid fry is newly hatched brine shrimp. You buy the eggs and hatch them a few each day in order to provide a steady supply. They must be eaten soon, as they are more nutritious when carrying the yolk sac and this gets absorbed quickly.

I'm sure prepared foods like you are using might work, never tried them. And of course the more established and heavily planted the tank, the more natural microscopic food there will be, and that helps too.

The mouthing and other behaviours are natural. One thing about keeping dither fish [you know what dither means?] in the tank is that it occupies the parents to guard the shoal closely. Risk is losing the fry.

They will likely repeat spawn, unless the male tires of the female. I saw the video just now, nothing to add from that. Nice fish though.;-)

GwenInNM 03-07-2012 02:11 PM

Quote:

Originally Posted by Byron (Post 1006148)
About the best first food for cichlid fry is newly hatched brine shrimp. You buy the eggs and hatch them a few each day in order to provide a steady supply. They must be eaten soon, as they are more nutritious when carrying the yolk sac and this gets absorbed quickly.

I'm sure prepared foods like you are using might work, never tried them. And of course the more established and heavily planted the tank, the more natural microscopic food there will be, and that helps too.

The mouthing and other behaviours are natural. One thing about keeping dither fish [you know what dither means?] in the tank is that it occupies the parents to guard the shoal closely. Risk is losing the fry.

They will likely repeat spawn, unless the male tires of the female. I saw the video just now, nothing to add from that. Nice fish though.;-)


Yes, I'll have to buy that brine shrimp hatchery. Did see that kit today, but it says 18-40 hours, and if these guys are going to die, it will probably be before that. I'll get it for the next batch. Hopefully there will be one :)

Gwen


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