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Cichlasoma octofasciatum var.
Blue Dempsey

 Age of Aquariums > Freshwater Fish > Blue Dempsey - Cichlasoma octofasciatum

Photos & Comments

dempsey5.jpg (41kb)
Photo Credit: Marcos Avila

I have four blue dempseys. They are a great fish, and less aggressive than the regular dempsey. They also seem to grow slower. I have had mine for a year and they are 8 cm. This is a fish with beautiful colors.

Contributed by Fran Drake

I have 4 Blue Jack Dempseys, I was told they are Powder Blue Jack Dempseys when I bought them at the pet store as babies. I have a Green Terror in the tank also. This tank and the fish are about a year and a half old. Just had to remove my regular Jack Dempsey - he wanted the entire tank to himself and the 4 Blues plus the Green Terror had frayed fins. Usually the Green Terror can hold his own, but the Blue Jack Dempseys were hiding. Now that the regular Jack Dempsey is gone, the 4 Blue Jack Dempseys don't hide anymore and it looks like it's a happy tank.

Contributed by Kristine Baer

Addition to my comment above: since I read about the Jack Dempseys, I learned that when they are locking jaws that they are mating or spawning. I went back to the pet store and brought my regular Jack Dempsey back home again, I think they were trying to mate and I tore them apart - I felt so bad. I am going to get a divider for the tank until I can afford another tank for the couple. I know which ones were mating.

Contributed by Kristine Baer

I have a Powder Blue Jack Dempsey that I named Powder. I got him as a small one, about 4 cm. but he is now about 8 cm. He is non agressive towards my Angel and Black Ghost Knife (named Spot). He is in a 200 L tank. I have had him about 4 months now. He comes up to the glass when I come near, expecting to be fed. I feed him brine shrimp and blood worms with the occasional Danio. He is not territorial and is a joy to have. I wish I could show him off more often. He looks just like the picture attributed to Marcos Avila on these pages.

Contributed by William Weaver

I bought a blue jack dempsey that was 5 cm long and I have had him now for almost 3 months. He has grown very quickly, growing to the length of 11 cm long. These blue dempseys are definitely less aggressive and less territorial than their brown siblings. Mine has not bothered any other fish in the tank, he hasn't even eaten the minnows that I have had in there for more than a month now, he just ignores them. My blue dempsey learned to recognize me in just a couple of weeks. He does a kind of dance when I come up to the tank when it's feeding time and even dives out the water to snatch the food out of my hand. He has a great personality.

Contributed by Julio Cruz

Mine was sold to me as a Powder Blue Jack Dempsey as a youngster, about 4 cm. He is now 12-13 cm. In a semi-community tank, he seemed to be oblivous of his tank mates, soley and comically focused on finding food. He (I presume - long pointed fins) eventually grew large enough to consume my school of large neon tetras, but he seems to leave the rummy nose, blood fins and large black neons alone, at least for now. I have him in a 225 liter tank with these tetras, along with a pair of angel fish and various others. He has grown into one the most beautiful freshwater fish I have ever seen, comparable to the colorful Discus, with the vivid powder blue surrounding coal black spot patterns on his body and flowing fins. Definitely much less agressive than any other cichlid I've seen. As I said, until he got a taste for neons, he pretty much ignored everyone else in the tank. While not a shy fish at all, he is very skittish to quick movements.

Contributed by Jeff

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