OP
H2Andy:yup, that's it... i'm almost 100% sure that's an M. retifera
they are more common, though by no means plentiful, on the Gulf of Mexico, Florida, and north on the east coast of the U.S. to New England.
here's very basic info:
http://www.fishbase.org/Summary/SpeciesSummary.cfm?id=2618
and here's a picture of one:
http://www.marinelifeimages.com/carib/fishid/pages/eel/pages/FSD565.htm
but note that the "horns" are missing on that picture...
Thanks Andy,
I agree with your choice, problem solved.
Sculpin.