Can anyone identify this salmon parasite

Diehard
A friend caught a salmon and these came slithering out its mouth after it was dead not sure what they are but they move around similar to a Caterpillar
 
DOKF
Creepy!
 
gherlin
Leeches. They're reporting lots of leeches on dead and dying salmon in British Columbia.
 
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O. mykiss
I agree, looks like lots of leeches
 
brandon4455
Leeches for sure. All rivers have them but some more than others. One of the really small rivers I fish later fall season most of the fish have leeches on them if they’ve been in the river for more than a day or two
 
Diehard
Thanks for the replies I thought they were leeches but was not sure I've never seen one first hand only pics I do wonder if he was eating them or they were eating him
 
GraphiteZen
Oh lawd.
 
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