Interesting an eel you say.I thought it was a softspined sturgeon/ I heard that they can grow to well over 414lbs andf are found mainly around the 1000 islands/brockvile kingston area of the St.lawrence river.
I googled it on the internet and this is what I found:
"The Softspined sturgeon is often mistaken for a snubnosed gar or the the elusive pinhead catfish. While all threeare similar in shape and share the same markings the snubnose gar only grows to 35" in length and will not weigh more than 5 lbs. The pinhead catfish whioch can grow to a length of 50" and weigh up to 15 lbs do not do well out of water. Most pinheads die almost immediately whne removed from the waters that they inhabit.
The softspine sturgeon - known for its eel like body has no spine. It is a voracious scavanger and has been known to grow to huge proportions.
The current world and Canadian record for a softspined sturgeon is 415lbs taken iin 1923 from the 1000 islands area of the St. Lawrence river.
Soft spined sturgeons are known to live well over 100 years. Unlike other sturgeons thier eggs are not prized for caviar."
www.wikipedia.fishesoftheworld.com