Am I insane!!!!! Cero mackerel

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You get one from the Pacific its going to need very cold water. You'll need a chiller just to have a chance keeping it alive. Most likely it'll die before you ever get it into your tank..

A cero or a pacific tripletail? Because if its a tripletail they don't need a chiller they don't like the cold water anything below 70
 
Woahh I retract my first post haha I found a different fish... unless you have something similar to a national aquariums open water setup then it would do fine! Lol

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I would say forget it.

I agree. I have caught many Spanish mackerel in the mid Chesapeake, but they don't even survive well in the boat live well much less trying to ship them.

TS, I don't think you understand the space requirements for this speedy predator. They are migratory by nature and trolling for them requires 7 mph as opposed to 3 - 4 for striped bass!

They are beautiful with kind yellow spots though!;)
 
Dat punctuation. o.o

You say size isn't an issue for you to keep the fish. I'd like to know in what you intend to keep your specimen. This is s species of fish that can be reasonably expected to reach two feet in length, and all forms of tuna are fairly quick growers. As you have mentioned, these fish are pelagic predators. As such, they will need a tremendous amount of space. It is also reasonable to surmise that they will, like many other forms of mackerel and tuna, require a rounded tank in order to prevent them from damaging themselves. They will also need an incredibly heavy lid. They are champion jumpers.

I am inclined to believe that yes, you very well may be insane. I would venture to guess that these fish are entirely unsuited to captivity for anything but a public aquarium. I know that statement gets thrown around quite often with freshwater fish, but it is an order of magnitude more applicable to this species than ANYTHING that lives in freshwater. So, all of these being said, in what do you plan to keep this fish? If you have a 25' saltwater pool, I think you might be able to get away with it. If you have anything less, leave it in the ocean.
 
What did you mean by Dat punctuation?
 
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