Body massive anteriorly, tapering in rather long, though small, 
compressed tail. Head large, short, robust, with elevated or hump-like 
nape. Snout short, wide, obtuse. Eye small, advanced. Mouth very large, 
terminal, lateral, mandible usually protruded in front, though jaws even. 
Teeth villiform in both jaws, in bands, usually extended entire length of 
jaws. No teeth on palate. Mandibular barbel present or absent. Bones of 
head soft, cavernous, without prominent ridges. Gills 3 1/2 or 4, small 
slit or none behind last arch. Gill rakers lanceolate, long on first 
branchial arch, which free; gill filaments short. Gill membranes free 
from isthmus. Branchiostegals 6 or 7. Scales deciduous, simple, thin, with 
fine circuli. Dorsal fins two, continuous or separate, front rays of second 
fin not shortened, gradually diminish in length on narrow posterior part 
of tail. Anal rays feeble, low throughout. Paired fins well developed. 
Bathygadus antrodes (Jordan and Gilbert) 
Melanobranchus antrodes JORDAN and GILBERT, Bull. U. S. Fish. 
Comm., vol. 22, p. 606, pi. 4, fig. 1, 1902 (Aug. 1904) (type 
locality; Japan). —JORDAN, TANAKA, SNYDER, Journ. College Sci. 
Tokyo, vol. 33, p. 491, (fig. 380 copied) 1913 (compiled). 
