Red tiger severum “rio curare”

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These are formally described as Heros severus now. We should drop the Curare and Red Tiger names because they only confuse things. A lot of the ones coming in now aren’t actually fished from Curare, so that wouldn’t be accurate anyway.
 
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These are formally described as Heros severus now. We should drop the Curare and Red Tiger names because they only confuse things. A lot of the ones coming in now aren’t actually fished from Curare, so that wouldn’t be accurate anyway.
Thanks- I agree other then the fact that Heros Severus has been used on so many fish I want d to get to the point of which Fish it is... how are yours?
 
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55B72925-7506-4BF7-900E-11B8DE99AB0B.jpeg C666D6E7-0405-47A5-AB15-C636028C9C57.jpeg 8303121C-7121-4981-8A88-DB5DF1BBA0A3.jpeg Picked up 4 smaller ones today. These pics are moments after they entered the tank . They are about 4-5 inches and obviously need to be cleaned up but hopefully I can get a compatible pair out of the group
 
So far these seem more aggressive towards each other, then other severums I have kept. has anyone else observed that? any clues on sexing these guys?

Ryansmith would be a much more reliable answer but I think I see a bunch of males. IME growing out severum the females tend to get outcompeted and heavy male ratios are not uncommon when grown out together. I've not kept the Severus though.
 
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Yes, this species is much more aggressive than other Heros. They’re also possibly the largest species. They’ll need a large tank. I keep six alone in a 6’ 210 gallon and the pair almost murders the other four every time they spawn. Then I separated the other four and the male hunted down and attempted to slaughter the female.
 
Looking good Jason, hope that you get a pair.

So Ryan, what would be the most accurate way to describe these in your opinion? It's probably going to get really confusing down the road if these are being collected in various locations.
 
Yes, this species is much more aggressive than other Heros. They’re also possibly the largest species. They’ll need a large tank. I keep six alone in a 6’ 210 gallon and the pair almost murders the other four every time they spawn. Then I separated the other four and the male hunted down and attempted to slaughter the female.

Thanks Ryan- my plan for them is a 300 with some boesmani rays. If I post individual pics do you think they are sexable? I left 2 behind in the store as they were in rough shape but if I have all males I can acquire them and try to nurse them back.

Thanks for the help
 
The groups imported are heavily male. But even then, females are very tricky to identify. They will have some facial spotting and lines just like males, until they turn on their spawning colors when the face turns dark jade green and the spots disappear.

This is hard to explain but females can “turn off” their facial markings. Sometimes they look very faint and seem to blend into the background color, much the way discus and angels can “invert” their vertical barring so that its color goes light. Males cannot do this — they always have bold, dark spotting. I’ve also noticed in mine that males have very blue faces while females tend to have yellow/green faces like notatus.

RD, these are all formally described as Heros severus. They have red necks, 8.5 bars, and mottled green-yellow patterning that overlaps the vertical bars. Like other Heros species they’re spread through a fairly large distribution area (as opposed to a single river or lake like some species) and so there may be slight differences/geographical variants, but they’re all basically the same fish.
 
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