Is this a black pacu?

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Jack Dempsey
MFK Member
Nov 17, 2019
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I have what I think is a black pacu. But then I hear they are rare and what I could have is a hybrid pacu which I never heard of before. Please let me know cause it will help determine what size tank I will get next. Thank you.

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I have what I think is a black pacu. But then I hear they are rare and what I could have is a hybrid pacu which I never heard of before. Please let me know cause it will help determine what size tank I will get next. Thank you.

View attachment 1395270

Welcome aboard
pacu mom pacu mom
 
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Thank you, over the years of google searches on questions I’ve had with the hobby and always seeing “Monsterfishkeepers” website come up i finally decided to join. Figured it would be nice to be able to talk with people who have the same passion I do for the fish hobby.
 
Thank you, over the years of google searches on questions I’ve had with the hobby and always seeing “Monsterfishkeepers” website come up i finally decided to join. Figured it would be nice to be able to talk with people who have the same passion I do for the fish hobby.
Nice to have you hopefully someone will chime in with an ID of the Pacu. Possibly a Redbelly Pacu but I'm not sure.
 
Nice fish! Big tank in your future! Where did you pick him up?
 
Got him at a local fish store. Definitely gonna need a bigger tank. Planning on building a 1000 gallon. But hoping to have 2 years before I get to that point.
 
Welcome to the forum! Good to have you :)

I agree with the others, your fish looks like a redbelly pacu to me as well; just a darkly colored one.
 
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Piaractus brachypomus--red belly pacu. As they mature, red bellies usually lose what little red they might have. Males generally have more red coloring than females. They also have longer dorsal fins and their anal fins are concave as opposed to convex. I would say you have a male red belly pacu....a handsome one.

Keep in mind that pacu are long lived fish and can live 30+ years, but can die in 2 years with poor water parameters. They are more sensitive to nitrogen products, so keep up with the water changes. While red belly pacu do not get as long as black pacu, they can still get to 3 feet in length. Their shape is more rhomboidal than the elliptical black pacu, so red belly pacu can get quite "tall" and can have tremendous girth. I would say a minimum tank height would be 3 feet, but 4 feet would be better.

Our pacu were 15" when they came into our lives. They had no red, so I assumed they were black pacu. WRONG.
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Mature black pacu can actually have more red coloring than adult red belly pacu. This pic was taken off the internet. Note the different shape (elliptical) of the body and the elongated head, and the larger operculum, and the green/red not ever seen on red belly pacu.
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John PTC's black pacu:
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My rotund red belly pacu
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