njisseni/panduro thread

[Frauley/Elson <fraulels@minet.ca>]

Just to follow up on the njisseni/panduro confusion thread, I'd like to
back up what Mike said about looking at mouth shape and not necessarily
colour. A few weeks ago, I came across an importer's tank of mixed
njisseni/panduro direct from Peru. I wanted both species, so I had to
study the tank for quite some time. Any time I've put the two together,
the panduro have tried to murder the njisseni. I've never seen it go the
other way, but I really don't want to experiment by accident. They don't
get along in my tanks.
All possible gradations of colour were there - these species are very
similar in coloration. However, the mouths of the fish gave it away.
It's the easiest identification feature. My big jawed njisseni are now
swimming in a cloud of fry and the panduro are coloured up and trying to
methodically slaughter their dither fish, so I guess the I.D. method
worked.
-Gary


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