239 
ZOAECHUS 
The body lengthened, smooth; dorsal and anal fins running to the 
end of the body, where they unite to form the tail; ventrals short, 
with three or four rays, placed as in the Blennies. 
VIVIPAROUS BLENNY. 
GREENBONE. 
MusteTa marina vivipara, 
(( tt (( 
Blennius viviparus, 
Zoarees viviparus, 
Gunnollus viviparus, 
Zoarees viviparus, 
it It 
(( <( 
JoRSTON; Table 46, f. 8. 
■Willoughby; p. 122. Bloch; pi. 72. 
Lirn^us. Donovan; pi. 34. 
CUVIEE. 
Fleming; Br. Animals, p. 207. 
Jenyns; Manual, p. 384. 
Yareell; Br. Fishes, vol. i, p. 273. 
Gunthee; Cat. B. M., vol. iii, p. 295. 
This is a fish of the North Sea, and is common on the 
coast of Scotland, as also on that of Norway and Sweden, 
with the Baltic Sea along its length. As we come southward 
it becomes more rare, and west of the Straits of Dover we 
are informed of only a single specimen, which was obtained 
by Colonel Montagu in Devonshire. 
Its usual haunts are not far from the shore, where it seeks 
concealment and safety under a stone. Its food is generally 
those objects which are sought for by the other species of the 
family of Blennies. But what has particularly attracted the 
attention and excited the wonder of observers, is that remarkable 
variation of nature as compared with its congeners, of hatching 
its young within the body of the parent and producing them 
alive; a portion of which process and development is thus 
described by Willoughby, with the addition of a few remarks 
derived from the work of Professor Nilsson. 
