Yellow bass with purple irridescence
Posted 31 October 2011 - 08:18 AM
I was wondering if anyone here knew anything about a purple iridescence that shows up on the underside of the jaw of yellow bass (Morone mississippiensis)? To illustrate the iridescence that I'm talking about;
This fish was collected in a small detention pond in the Chicagoland area. The purple coloration wasn't apparent when the fish was in the livewell. However, when the fish was transferred to a smaller bucket (awaiting preservation), the fish became stressed and the underside of its jaw showed the purple iridescence. This wasn't unique to this one fish. All three of the yellow bass collected at this site showed the same coloration. I've never seen this before on yellow bass and I was wondering if anyone had any experience with this.
Posted 31 October 2011 - 03:51 PM
Posted 31 October 2011 - 04:20 PM
Posted 01 November 2011 - 02:58 PM
there probably is no relavence, but what size were the specimens? Were they all the same size, or largely different? Maybe it could just be a phase in their life (although that coloring is rather different._)
The fish were all between 12 and 14cm (each as a total length). It seemed to only become apparent when the fish was very stressed. It was certainly odd.
Assuming that there was no "baitsaver" or other product in the livewell?
Nope, just water from the pond.
Posted 01 November 2011 - 04:08 PM
Posted 06 November 2011 - 11:32 PM
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