Re: What causes nubby front fins in stocked trout?


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Posted by Bill Couch on September 22, 1998 at 08:13:29:

In Reply to: Re: What causes nubby front fins in stocked trout? posted by Coach on September 20, 1998 at 17:57:03:

> Some 'authorities' say the fins are damaged due to the sides of the concrete bins. At least you know the 'stockers' from the 'wil

Fish nipping each others fins is the correct
answer. Fish reared in concrete raceways at
very low densities have beautiful fins. Fish
reared at very high densities have very damaged
fins. You can observe nipping if you watch the
hatchery fish very carefully.


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