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Old 02-25-2012, 11:21 AM
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Joey Langan Joey Langan is offline
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Start working on those crab patterns...(weak stomachs beware)

So one of the projects going on in the research lab is a dietary study on spiny dogfish (one facet of a much bigger project). This morning I was in the lab helping dissect the stomachs from bony fish so that we could get a better idea of dogfish competition. Several Striper stomachs were in the group and one of them (see picture) had a whopping 34 rock crabs and a butterfish! Out of all the Striper stomachs, the primary component was rock crab followed by butterfish and one contained what we believe to be a Hake (pretty well digested). So if you had any doubts about how many crabs Stripers eat this picture should get rid of them!
Joe
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Old 02-25-2012, 04:31 PM
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Begs the question where the crabs eaten due to a shortage of a forage bait?
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Old 02-25-2012, 04:38 PM
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Well these fish were caught by trawl (we get a lot of our specimens by going out on fishing vessels and taking the bycatch) in deeper water off of RI. The dogfish we dissected from the same trawl had stomachs filled with butterfish and a couple of rock crabs. Clearly these two prey items were the most available in the area but I am certainly not qualified enough to say whether this deep water environment is usually like that or if there should have been other forage around.
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Old 02-26-2012, 11:35 AM
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in my experience almost every bass i have ever kept has had crustaceans or other shellfish in the stomach. unless they were really crushing herring or mackerel in big feeds the contents were usually 50/50, sometimes more as far as shellfish go. i've seen some 8" or so lobsters down in their stomachs too, also pretty normal.
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