Juvenile Dorado Aggression Question

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Nope I chickened out. I love my bass too much, as soon as he's big enough to go to the big tank I'll buy a dorado asap. I sort of regret not getting it though, I did really want him.

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dogofwar said:
Here's another S. brasiliensis and a couple more from another pull of the seine.

The type locality for Australoheros facetus (the chanchito) as described by Darwin's crew (the fish I was after) :)

Can't tell whether these two little ones were also S. brasiliensis or red-tailed barracuda (crappy picture)...

Matt

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Figured it out. That one isn't a dorado it's a oligosarcus species... There are 6-7 species of oligosarcus the two smaller ones aren't acestrochynus they look like a oligosarcus species too... I'm pretty confused now lol...

Do you happen to have any more pictures of dorado? I'd like to see if Uruguayan dorado are the same species as the "argentine big head dorado"


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Mine was a terror at 4". In a 180 to grow with miscellaneous other predators and absolutely ruled the tank of fish ,even though they were larger and in the tank months before the dorado. Mine came from Southland Aquatics. Just a brassy I suppose. Kept it for 6-8 months and sold it and shipped it, to a guy in the Seattle/Tacoma area for a restaurant's display tank I believe. It literally just swam circles in my tanks and if ANYTHING stuck its head out, the dorado would swoop down like a hawk and try to hit it. Had everything in that tank, from Crystal Eye Catfish to an ATF, and it made no difference to the dorado whatsoever. In my opinion, it's one of the most aggressive fish you can keep. Red Snakeheads that are tame are one of the only other fish that are even on the same level when it comes to speed and just blatant disregard for their own safety when they attack whatever is offered to them for food in an aquarium type setting. Just my own observation and opinion. Thanks.
 
Zeke said:
Mine was a terror at 4". In a 180 to grow with miscellaneous other predators and absolutely ruled the tank of fish ,even though they were larger and in the tank months before the dorado. Mine came from Southland Aquatics. Just a brassy I suppose. Kept it for 6-8 months and sold it and shipped it, to a guy in the Seattle/Tacoma area for a restaurant's display tank I believe. It literally just swam circles in my tanks and if ANYTHING stuck its head out, the dorado would swoop down like a hawk and try to hit it. Had everything in that tank, from Crystal Eye Catfish to an ATF, and it made no difference to the dorado whatsoever. In my opinion, it's one of the most aggressive fish you can keep. Red Snakeheads that are tame are one of the only other fish that are even on the same level when it comes to speed and just blatant disregard for their own safety when they attack whatever is offered to them for food in an aquarium type setting. Just my own observation and opinion. Thanks.
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Did you read the dorado ID sticky??

Most likely (99% sure) what you had was a fransiscanus or a franky.

Yes I'd agree with you franky dorados are one of the most aggressive and interactive fish anyone can own. Part of the reason I got rid of mine was because I wanted tankmates and more movement than just the dorado. They're definetly a cool fish though had mine from 2-8 inches till I traded him for some rays. Apparently in his new owners tank he is doing just fine and not massacring his tankmates....


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