Derichthyidae

Longneck eels

3 species

1. 1Derichthys serpentinus Gill, 1884 · Narrownecked oceanic eelocean · deep-water
2. 2Nessorhamphus danae Schmidt, 1931 · Blackbelly spoonbill eelocean · deep-water
3. 3Nessorhamphus ingolfianus (Schmidt, 1912) · Duckbill oceanic eelocean · deep-water

Source: FishBase v25.04 (fishbase.org), via cboettig/fishbase, fetched 2026-10-18.