670 
Family NETTASTOMIDAE 
Body elongate, more or less compressed* Tail ends in slender tip 
or filament. Snout elongate, pointed, upper jaw longer* Bands of card- 
iform recurved teeth in jaws and on vomer, last not separated from pre¬ 
maxillary* Tongue not free. Nostrils superior or lateral, anterior 
tubular and not far from snout tip, slit like posterior above or just 
before eye* Gill opening small or moderate, partly inferior and separate. 
Gill slits within pharynx wide* Lateral line present. Vent far behind 
gill opening, premedian. Dorsal, anal and caudal confluent* No pect¬ 
oral. 
Bathypelagic eels with fragile bodies of tropical and warm seas* 
As some species change with age Facciold has proposed Nettastomella* 
as a group name for chiefly Ueditteranean forms. 
1 
Bull* Soc* Zool. Ital* Roma, ser. 3, vol* 3, fasc. 1-14, 1914* P» 47* 
