Deepwater worm eel
Scolecenchelys castlei
- Least concern
- Card rarity: Common
- Fish

The deepwater big-eyed worm eel is an eel in the family Ophichthidae. It was described by John E. McCosker in 2006. It is a subtropical, marine eel which is known from New Zealand, in the southwestern Pacific Ocean. It dwells at a depth range of 425–820 metres. Females can reach a maximum total length of 58 centimetres.
Classification
- Class
- Actinopterygii
- Order
- Anguilliformes
- Family
- Ophichthidae
- Genus
- Scolecenchelys