FISHES. 643 
ably attaches itself to the dorsum and flank of the shark, and some- 
times weighs a pound and a quarter. “I have found,” writes a friend, 
as Many as seven on one shark.” It is never solitary, and makes 
long voyages on this monstrous animal locomotive, and that without 
fatigue or danger, for its enemies are kept at a distance by the for- 
midable monster which carries it. 
The family of Zophiide are particularly distinguished by having 
the carpal bones very long, forming a sort of arm at the extremity of 
which are the pectoral fins; it includes the fishing Frog (Lophius 
piscatorius), Fig. 404, remarkable for the excessive circumference of 
Fig. 403.—Echineis remora. 
the head and shoulders as compared with the rest of the body, the 
immense opening of its jaws, armed with pointed teeth, and the 
cutaneous jagged stripes of various lengths with which it bristles at 
many points. Its skin is soft, smooth, and without scales or other 
asperities ; the carpal bones support the pectorals, and its shape and 
other peculiarities combine to render it a hideous and forbidding 
object, well calculated in ignorant and superstitious times to frighten 
the multitude. The remains of this fish, prepared in such a manner 
as to be transparent, and rendered luminous by a lamp enclosed in 
its interior, has often helped to deceive and frighten the timid by its 
fantastic appearance. 
The Fishing-Frog, Lophius piscatorius, Linn. (Fig. 404), often 
attains the length of four or five feet, lives in the sand, or sunk in the 
mud, leaving the long and movable filaments with which the head is 
PP 2 
