yes thats a Typhlonectes natans................I love the look of these guys but never found one round my way, maybe when i move to colombia i may have better luck http://homepage.ntlworld.com/alan.cann/Tnatans.html
you got it! rubber eel or caecillian worm i have one they are great Ive had mine for 5 months and its 13" long they get 1 " thick they are blind but fun to watch if you want to know more check this site www.aqualandpetsplus.com under amphibians