Question on silver aro colouration?

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livingart

Feeder Fish
MFK Member
May 21, 2008
64
0
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tauranga, n.z.
www.livingartwildlifepark.co.nz
i have 3 silver arowana, smallest is 28" and largest 32"
the 2 larger ones are a darker colouration than the smallest one
smallest, silver with a red edge marking on each scale
the other 2 are same red markings but a reddish background to the silver
tank is around 3000 litres and lit by natural sunlight

[YT]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/-k99c-AgZJM&hl=en_US&fs=1&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/-k99c-AgZJM&hl=en_US&fs=1&rel=0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>[/YT]
 
[YT]http://www.youtube.com/v/-k99c-AgZJM&hl=en_US&fs=1&rel=0[/YT]
 
What is the question? Lovely tank BTW:thumbsup:

[YT]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/-k99c-AgZJM&hl=en_US&fs=1&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src=http://www.youtube.com/v/-k99c-AgZJM&hl=en_US&fs=1&rel=0 type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>[/YT]
 
livingart;3731254; said:
thanks for fixing the vid, couldn't get it to load properly
question was why th difference in colouration on the aros
one shines silver and the other 2 are darker
we don't get to see a lot of big aros in nz
Click to expand...

There are some color variants in silver aros, i.e. high shine. Though looking at your other pics and videos I would not believe you have a "high shine". Possibly is that the one aro is lighter in coloration.
 
livingart;3731337; said:
we don't get a lot of aros reaching maturity in this country
or get any colour varieties except in the asian aros
in the sunlight i just noticed this one seemed to look lighter
maybe just more reflective ability in the scales
Click to expand...

Which may be part of the traits in a high shine aro. My two aros look the same and seem similar to others I've seen in person, unfortunately I have yet to see a high shine in person. So my bais is just on the few I've seen on the net. I noticed in your other video that none of the aros look lighter, was that video shot without direct sunlight?
 
yes other vid was shot with different light that day
it may just be that the other 2 aros have gotten a suntan since being outside :)
the other 2 have more red on scales and on gill plates
will try to get some still pics to see if different
even in the smaller tank it was slightly lighter in colouration
 
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