Scleropages leichhardti

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Geoey

Feeder Fish
MFK Member
Sep 1, 2009
430
2
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Darwin,Australia
These come up from time to time i was told they are not as aggressive as the jardini and can be kept as a community fish does anyone have any experience with them?
 
They still are aussie arowanas, so caution is a must on any comm attempt.

Having said that, they are no Jar's, but in reality it depends on the individual fish. I have heard stories of mean Lei's.
 
i recently saw a documentary where this group of people bred silver foxes and about 1 in 100 were not aggressive, they found that by breeding those you could produce calm foxes within about three generations. now they have foxes you can hold. they did this to see the why and how humans bred a pet dog from wolves.
it leads me to think that you can experience a less agro fish within the species and leis seem to be less aggresive overall too.
its possible that the environment and competition etc allowed leis to be not so much about kill everything that moves.
 
Cool i am in australia and for the main part people seem to think the leis are the ones for commune tanks.
 
even going by the leis shallower and thinner set body shape compared to the jar and the jawline etc , you know which fish evolved to be more ferocious or atleast more dangerous.
if you check the map of where they come from its kinda surprising how far inland the leis are and i have scratched my head on how they got there. there seems to be a high mountain range to the north from where the sister species jars are and its a long distance from those jar rivers either direction you look. maybe a water spout dropped em there? then you can picture how the great barrier reef was all up above water once and could have had fresh rivers parts all over and so maybe the ancestor travelled from the east side of the cape into that area. we know that papau new gunea was connected and that was how they explain jars being in papua around the fly river just to the north. then to make matters even more intriguing they say they have found a relative fossil. in south east qld that became extinct. so maybe leis branched off from those and jars branched from leis or both from the sister fossil and they had to become a stronger and meaner to compete well. one day scientists might be able to check the fossil for dna and date and compare to see what actually happened and where the fossil species fits into the african species. i will try find the fossil picture to show the body shape.
 
Cool, australia has many such anomalies , i would have to go with you on the geographical isolation from the east.
 
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