925 
Genus Callechelys Kaup 
Callechelys KAUP, Cat, Apodal Fish Brit, Mus,, 1856, 
p, 28, Type Callechelys gulchenoti KAUP. monotypic, 
* 
Body greatly elongate, cylindrical. Head short. Snout 
convex, more or less depressed and pointed, projects beyond 
mouth. Eye smaQ., advanced to first fifth or sixth of head. 
Mouth cleft reaches below or behind eye. Edge of upper lip 
without or only with few filaments. Teeth few, acute, recurved, 
subequal, without canines, uniserlal, partly blserlal or on 
all bones biserlal. Front nostrils short tube on edge of 
snout. Hind nostrils slit or short tube in upper lip below 
front border of eye or anterior. Gill openings small or lat¬ 
eral, Lateral line present. Dorsal origin above mouth angle 
or somewhat posterior, not confluent with anal, both ending 
short space from tail tip. Pectorals absent or only a fila¬ 
ment. 
Tropical seas, Indo Pacific, Gulf of Mexico, 
