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salmon
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
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The second one doesn't seem to be butterflied, as it would be missing a dorsal fin if it was, and the skin color is asymmetrical. They're 2 different species imo, but I'm only familiar with Atlantic salmon so I can't say for sure. Atlantic salmon normally look like the top one and get an upturned hook mouth but don't really change color.