inquiry on electric (non-apisto) fish

[tychen@ippfwhr.org]

     sorry for the non-apisto question, but i hope someone in this list=20
     might be able to help me=2E =20
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     recently at a local petshop, i saw 2 south american knife fish (the=20
     electric type, ramphichtidae family, or something like that, pardon my=
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     bad latin), these are mottled dark and light brown with a longish=20
     snout=2E would anyone know its identity, care and requirements?  i=20
     couldn't find them in the baensch atlas or any other books i have=2E =20
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     i once bought some transparent knifes (Eigenmannia virescens) and they=
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     didn't live very long=2E  i'm afraid to obtain these "trumpet knife" a=
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     they are labeled at the store, as many wild-caught fish don't adjust=20
     well to aquarium life and just waste away=2E
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     thanks so much for any help=2E
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     tsuh yang chen, new york city=20