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Comment by Sean on March 1, 2015 at 8:31pm

Hi guys, I'm new to breeding tilapia. I can't even really sex them. Guys are between 6 and 9 inches long. I can't tell if it's a mating dance or a territory thing. The giant pale one has a flower pot on the other end of the 40 gal aquarium he has claimed. He comes out to terrorize the other 2 fishies. Please ignore the sound in this video. Does this seem like breeding behavior? I would film closer but they are extremely camera shy. Like just turning my head freaks them out.
Crazy fishies: http://youtu.be/oJHjTkrgmBM

Comment by Suzanne Hayes on February 24, 2015 at 3:12pm

I have hatchlings! I've lost how many batches I've had but this is the third one where I am in a position to save and seperate some for grow out

Comment by Craig Shevlin on February 24, 2015 at 9:36am

Thanks Pam, I appreciate your help.

Craig

Comment by Pam DeLong on February 24, 2015 at 7:36am

Craig, I found a PDF on the UofA website written by the Department of Fisheries and Allied Aquacultures at Auburn University, Alabama: Selecting_Tilapia.pdf

Comment by Pam DeLong on February 24, 2015 at 7:29am

Craig, I've only done some reading on them. Apparently they were bred for their coloration; they are a hybrid that do okay in water temps 55-98 and have a slightly higher growth rate. Blues are still claimed to be the most cold tolerant. My blues are in a 750g tank outside; the temps have briefly gotten down to 45 and have made it through ok...their appetite is almost non-existent though. Here's a couple of links that may be helpful:

http://www.aquaticcommunity.com/tilapia/red.php 

http://www.tilapiadepot.com/Red_Nile_Tilapia_Fry_Fingerlings_and_Br...

Comment by Craig Shevlin on February 23, 2015 at 5:12pm

Thanks Pam.

Have you heard of Red Tilapia?

Comment by MikeH on February 23, 2015 at 3:35pm

My Black Moz has had a bulging chin, & won't eat. Been that way for about 6 days now. We seperate her from the rest and are waiting. Last 2 females that were in this condition spit out their eggs when we tried to catch them.
How long till they hatch.? Water temp is at 83.3F PH is about 7.2

Comment by Pam DeLong on February 23, 2015 at 3:17pm

Craig,

I'm in Tucson, AZ. My first group of Tilapia were Whites. After doing some reading, I decided to go with Blues. They tolerate a lower water temp and seem to grow, males especially, at a faster rate - pretty good harvest size in a year or just under.

Comment by Craig Shevlin on February 23, 2015 at 11:39am

Is there a preferred Tilapia species to have in your system?

Does one grow faster than another?

Comment by Pam DeLong on August 6, 2014 at 1:26pm

When my blue tilapia were getting to the breeding stage, I searched the internet for determining male and female. I found a lot of the same pictures with conflicting descriptions of which was which. But using the look and compare method, I set aside 3 fish in a 40 gallon tank. Both apparent males began creating nesting sites. One, though, was more 'assertive' than the other, and won the female. The second male was bullied until I took him out. The remaining pair did indeed mate and I have a plethora of babies right now...from 2 'birthings'. Looking closely at the male and female, it became obvious there is a difference in the dorsal fin. The male dorsal tapered to a point well over the tail fin. The female dorsal was considerably rounded. I've drawn a sketch to show this:

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