Clown fish breeding at a Mature age
I have 2 clown fish both mature in age about 2 years old, both were bought at that age and were bought seperatly. Bother were alone in the tank which were tanken but get along in my tank great. Now they are doing great no fighting what so ever but, my question is will they mate and breed at this mature age?
mating is a hit or miss. ive seen clowns live 10 - 15 years. good tank params and high quality foods can help. the fry will most likely be eaten in the display tank and wont survive without a seperate tank.
welcome to the forum.
Onefish, will the parents eat the fry? Or do they take care of them? I ask because a friend of mine is looking into breeding her clowns and I'm going to lend her some empty tanks I have to house the fry if they end up mating. But should she separate them as soon as they lay eggs anyways? Just to be sure? Also, are there any sure signs that they are a mating pair besides actually seeing them breed? What does clown courtship look like?
Breeding clowns is a very rewarding experience, and it's not nearly as hard as you might think.
Obviously the first thing you need is a mated pair. There are several options to getting these. First learn to sex them... which is quite an interesting pursuit when it comes to clownfish.
In a group the female is the largest, with the male as the second largest. All others will be juveniles and gender-neutral. When one of the adults disappears, the next biggest will take its place. Thus the male will become female and a juvenile will turn into a male. Once they are female they cannot change again. In certain species there are physical differences but it's not a real good idea to rely on this as they may have changed sexes but not markings.
Buying an established pair is perhaps the easiest way to go. Many aquarium/fish stores have these or can order them for you. Sometimes you get lucky and get a pair already spawning. Look for a pair that hangs out together as this is a good sign that they are a true pair.
Another possibility is buying a group of juveniles and raising them to breeding age. This takes a good deal longer as some species take quite a while to mature. Also certain species are more aggresive and you may have to remove unwanted extras. Basically, you watch as the group matures and they will pair up by themselves. The female will be the largest, with the male next biggest. The rest should stay juveniles.
Establishing an adult pair can be a little tricky, and a close eye needs to be kept on them to make sure that the female doesn't kill the male. Buying a large adult and getting two smaller ones from a group and letting the female pick one is an approach that has yielded a good deal of success. With maroons, try introducing just one male at a time and keep a close eye on them.
It takes patience to get them to spawn, and there are a few things you can do to help.
This takes some preparation and is really beyond the scope of this page. I recommend reading the Plankton Culture Manual from Florida Aqua Farms. Its tells all you need to know and more about raising nannochloropsis oculata, greenwater, and Brachionus sp., rotifers. They also can provide live cultures and starter kits. Rotifers are the first foods and must be fed immediately to the larvae. Depending on the species you'll need to feed them rotifers for the first 3 days to 3 weeks.
The Day of Hatching
When the eggs are first laid they are a bright orange. After a couple of days the color fades and eyes appear. The male guards the nest and fans the eggs to keep them oxygenated. Depending on the temperature, around day 8 the eyes will become silver. This means its time to hatch.
At this point you must decide to stay up after the lights go out and catch the larvae or move the eggs to the larvae tank. If you decide to leave them with the parents to hatch you can shine a flashlight in the corner of the tank. The larvae are attracted to the light and then you can either syphon the larvae out or scoop them out with a ladle. If you move them you must keep the eggs aerated gently with a airstone or fungus will set in.
The Larvae Tank
A simple 5 or 10 gallon tank works fine for a larvae tank. Add a heater and an airstone and you're set. No real biological filtration is usually provided. I have used live rock, but there's always a chance of bacteria infection coming from it. Ammonia needs to be monitored. Adding Amquel or its equivalent when traces show up have been beneficial. Having a bare bottom makes it easier to clean. You may need to leave a light on the first few until the larvae develop their hunting skills.
The first 10 days are the most crucial. This is the period when the greatest number are lost. For some reason metamorphosis (around day 10) is very stressful. Immediately following this transition stage, the youngsters will begin developing their stripes... after which point you're pretty much home free. And free to enjoy your beautiful little clowns!
Is this from experience? I have heard much roomer that if you get a pair from a LFS that you are basically wasting money. reason being is that the water parameters normally will change substantially and will cause them to not be "in the mood" for a long while if at all and that your best bet is to get the clowns and pair them off yourself by getting a large clown and a clown that's half the size of the other and allowing them to change of their own accord. I know it can be a hit or miss, but it is said that it could take just as long for the purchased "pair" that you paid more money for.
I have been doing a lot of research because i have plans for breeding as soon as my clowns are ready. They are still young, but when the start you will see them here!
Oh and to add to your parents eating. Yes, they can eat the eggs if they know that there are some defects in them. Many times the first few batches of eggs are not viable and shouldn't have time wasted on them as they may have died anyways. If the male goes over to the eggs and looks as though it's nipping, it's because he's aerating the eggs and yes, they are killed most of the time int the tanks by other inhabitants such as bangaii cardinals.
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