Scientists find sex changing bass in Chesapeake area

Larry Towell
Anglers fish Chesapeake Bay in the 2009 Northern Open #1

A report in the Washington Post details the latest findings on the health of the bass population in the Chesapeake region. 

One finding is that due to hormones, some male bass are carrying eggs. 

In the latest study, smallmouth bass and white sucker fish captured at 16 sites in the Delaware, Ohio and Susquehanna rivers in Pennsylvania had crossed over into a category called intersex, an organism with two genders.

The research suggests that chemical runoff is the cause.

The fish is “an indicator that something else is really wrong,”  [Researcher] Blazer said in support of stronger pesticide reporting. “What are these things doing to the natural environment? If we find these things in wild organisms, there’s a good chance they’re also affecting people.”

Read the full story here

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