378 REPORT OF NEW JERSEY STATE MUSEUM. 
wanting. Soft dorsal usually opposite anal and similar. Caudal 
rounded, free from dorsal and anal. Pectorals short, low, their 
bases broad and procurrent. Ventrals thoracic, rudimentary, 
forming bony center of a sucking-disk. 
Fishes of the northern seas, attaching themselves firmly to 
rocks and other objects by means of the adhesive ventral disk. 
They feed on worms, small fishes, crustacea and plants. One 
species on our coasts. 
Genus CycLoprerus Linnzeus. 
The Lump Fishes. 
Cyclopterus lumpus Linnzus. 
PLATE 82. 
Lump Fish. 
Head 3; depth 2; D. XII-11; A. VIl-re; P-ao7esmout 2 
in head; eye 41% ; maxillary 3; interorbital space 154 ; third dorsal 
ray 2; sixth anal ray 134; least depth of caudal peduncle 2*/,; 
caudal 1% ; pectoral 154. Body more or less compressed toward 
back, somewhat triangular in transverse section at first dorsal. 
Belly flattened, portion behind abdominal chamber compressed, 
and less than % length of body proper. Caudal peduncle com- 
pressed. . Head short, subquadrangular in transverse section. 
Snout blunt, rounded. Eye rounded, high, anterior. Mouth 
anterior, opening slightly upward. Maxillary about 2% of snout. 
Teeth in bands, simple, small. Nostrils small, posterior smaller, 
near eye on interorbital space, anterior farther forward, half way 
to mouth and with short tube. Forehead bored, depressed, flat- 
tened. Gill-opening moderately wide. Disk moderately large, 
anterior below head. Skin thickly covered with small irregular 
subconical tubercles, sides of which are roughened with small 
conical protuberances. Larger longitudinal compressed tubercles 
form a vertical series from nape over first dorsal as spinous dor- 
sal. A row of smaller ones from supraorbital region along flank 
to upper part of tail. A series starts a little above origin of 
