746 Opisthomi and Anacanthini 
depths, especially of the north Atlantic and Pacific. The head is 
formed much as in the codfishes, with usually a barbel at the chin. 
There are two dorsals, the second like the anal being low, but 
the leptocercal tail is very long and tapering, ending in a fila- 
Fic. 660.—Coryphenoides carapinus (Goode & Bean), showing leptoceral tail. 
Gulf Stream. 
ment. without caudal fin. The scales are usually rough and 
spinous. The species are usually large in size, and dull gray or 
black in color. 
The best-known genus is Macrourus. Macrourus berglax 
is found on both shores of the north Atlantic. Macrourus 
Fic. 661.—Grenadier, Celorhynchus carminatus Goode & Bean. Martha’s Vineyard. 
bairdi is abundant in off-shore dredgings from Cape Cod to Cuba. 
Macrourus cinereus, the pop-eye grenadier, outnumbers all other 
fishes in the depths of Bering Sea. Calorhynchus japonicus is 
often taken by fishermen in Japan. Coryphenotdes rupestris 
is common in the north Atlantic. Bogoslovius clarkt and 
Albatrossia pectoralis were dredged by the Albatross about the 
voleanic island of Bogoslof. Trachyrhynchus trachyrhynchus 
is characteristic of the Mediterranean. Nematonurus goodei is 
common in the Gulf Stream, and Dolloa longifilis is found off 
