how to sex kribs - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 9 Old 03-16-2011, 08:21 PM Thread Starter
how to sex kribs

Hi I need a pin point accurate way to sex kribs because I plan to try my hand at breeding them. Also could I have a couple pointrs to raise the fry.[I have one tank... maybe two if I can convince mom to let me set up ten gallon for fry] the tank will be heavily planted and currently is has light cover. the tank inhabitants are in my signature and the ram is going to a friend

38 gallon :
Pelvicachromis Taeniatus Nigerian Red not yet breeding pair
4 Pangio Kuhli
12 Hemmigrammus Bleheri
2 Botia Lohachata
1 Botia Straita
1 Ancistrus Sp.
6 Poecilia Reticulata




The Wet Spot Portland Oregon!!!!!!

ADA: Do!aqua Iwagumi 10 gallon size!
7 Clown Killies
7 Ghost shrimp
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post #2 of 9 Old 03-18-2011, 07:13 PM Thread Starter
please any info getting the kribs tomorrow. Let me know if the breeding actions are like rams or anything different. Most importantly how do you sex them?

38 gallon :
Pelvicachromis Taeniatus Nigerian Red not yet breeding pair
4 Pangio Kuhli
12 Hemmigrammus Bleheri
2 Botia Lohachata
1 Botia Straita
1 Ancistrus Sp.
6 Poecilia Reticulata




The Wet Spot Portland Oregon!!!!!!

ADA: Do!aqua Iwagumi 10 gallon size!
7 Clown Killies
7 Ghost shrimp
Christople is offline  
post #3 of 9 Old 03-20-2011, 01:32 PM
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The sex difference is noted in our profile of this species, you know where the profiles are.

If they are a pair, they will probably spawn. First issue I see is having loaches and pleco in the tank, the pleco especially will devour the eggs as soon as they find them, and as they are nocturnal (and the kribs are not) this usually occurs quickly.

If you spawn them in a spawning tank on their own, upper fish are fine (like the guppies) as dither fish that will keep the pair occupied naturally. Sometimes cichlids will eat the eggs themselves, if frightened or stressed, especially the first spawns.

Once the eggs hatch, the fry need small live food; in an established planted tank some zooplankton will be available, but to raise more of the fry the best food is newly hatched brine shrimp. There are fry preparations available in fish stores, I've never used these and don't know if they are suitable for cichlids or not.

The above is from my experience with other dwarf cichlids, not kribs specifically; I'm sure sveral members have had these fish, and they may have more suggestions on feeding.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #4 of 9 Old 03-20-2011, 03:57 PM Thread Starter
okay thank you byron. I think I might have to get rid of the ram but in the mornings before I feed the fish the kribs are nicer to each other and then the male will be mean to the female. They also hang out with each other and pick at the sand but as soon as the first pellet drops it is nipping time for the male

38 gallon :
Pelvicachromis Taeniatus Nigerian Red not yet breeding pair
4 Pangio Kuhli
12 Hemmigrammus Bleheri
2 Botia Lohachata
1 Botia Straita
1 Ancistrus Sp.
6 Poecilia Reticulata




The Wet Spot Portland Oregon!!!!!!

ADA: Do!aqua Iwagumi 10 gallon size!
7 Clown Killies
7 Ghost shrimp
Christople is offline  
post #5 of 9 Old 03-20-2011, 04:45 PM
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I didn't do anything special and my Kribs spawned not too terribly long after we got them. Give them a little cave like one of those half a coconut things that mom can get in and they will do the rest if you have a healthy non stressful tank. Just be warned that they are very very good parents and will be aggressive if any other fish get near the cave or the fry when they hatch. Since they are so good at raising their babies you have a lot to get rid of unlike a live bearer that might eat its babies itself. Mine are still growing out so I can get rid of them and there are about 20 of them.
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post #6 of 9 Old 03-20-2011, 07:31 PM Thread Starter
about what size do the kribs become able to mate and the problem is that I don't think they are pairing off. would a lot of females and one male maybe fix this problem or am I stuck with what is happening? What did you feed your fry and did you set up another tank or put them in a net. Please tell me all your precedures.

38 gallon :
Pelvicachromis Taeniatus Nigerian Red not yet breeding pair
4 Pangio Kuhli
12 Hemmigrammus Bleheri
2 Botia Lohachata
1 Botia Straita
1 Ancistrus Sp.
6 Poecilia Reticulata




The Wet Spot Portland Oregon!!!!!!

ADA: Do!aqua Iwagumi 10 gallon size!
7 Clown Killies
7 Ghost shrimp
Christople is offline  
post #7 of 9 Old 03-20-2011, 07:34 PM Thread Starter
mine are about the 2 inches long and I might be able to get more that one if neededm and see who pairs off and then donate or give them to my aunt who has a 55

38 gallon :
Pelvicachromis Taeniatus Nigerian Red not yet breeding pair
4 Pangio Kuhli
12 Hemmigrammus Bleheri
2 Botia Lohachata
1 Botia Straita
1 Ancistrus Sp.
6 Poecilia Reticulata




The Wet Spot Portland Oregon!!!!!!

ADA: Do!aqua Iwagumi 10 gallon size!
7 Clown Killies
7 Ghost shrimp
Christople is offline  
post #8 of 9 Old 03-20-2011, 08:20 PM
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On the on/off aggression, this is common with many cichlids. I had a pair of Bolivian Rams in my 115g, they spawned several times, but in between the male would be quite rough on the female, and even in a well-planted 5-foot 115g tank she could not fully get out of his way. Eventually she died, I suspect due to his aggressive behaviour. That's nature being itself. The male is on his own again. I've had him 2.5 years, and added the female last summer; that was probably a mistake, as he considers the tank his own space.

With some species of cichlids it is best to allow them to pair; I know angels are always more successful doing this. Not being familiar with spawning kribs myself I can't say if this is crucial or not.

Sometimes it helps to observe the fish in the store tank for a spell. I've done this with common rams; you can easily see the "pairs" in their behaviours. If you decide to add more females, be warned that once a pair does form the other females will be hounded esp at spawning. They should be removed to avoid injury and death.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #9 of 9 Old 03-20-2011, 11:06 PM Thread Starter
I am going to get more of both genders see who pairs off and depending on how many pairs I will keep one and give on to my aunt and donate the other fish and get more supplies. I might give a week but it is getting worse and turning to when ever he sees her he chases her. The male ram doesn't help either but even whrn I seperate the male the kribs still fight

38 gallon :
Pelvicachromis Taeniatus Nigerian Red not yet breeding pair
4 Pangio Kuhli
12 Hemmigrammus Bleheri
2 Botia Lohachata
1 Botia Straita
1 Ancistrus Sp.
6 Poecilia Reticulata




The Wet Spot Portland Oregon!!!!!!

ADA: Do!aqua Iwagumi 10 gallon size!
7 Clown Killies
7 Ghost shrimp
Christople is offline  
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