Bottom fish.....I thought the pectoral looked wide for a RES, but as is often the case, who can say that there wasn't a BG influence in the mix somewhere, sometime? I do think that the opercular size, and placement, along with the general body shape and coloration heavily favor a RES.
As stated, the gill rakers aren't visible in the photo, so what are we left with by way of identification? Are we to assign any substance to the ideas of geographic diversity, regional adaptation, and local familiarity?
Good points ! The pec fins are more BG or GSF than RES. The other morph features are much more trending to RES.
Absolutely no doubt that plasticity and local adaptation can play a
big part. Color can be all over the place due to environmental factors totally unrelated to species or location.
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