32 TJ. S. BUREAU OF FISHERIES. 



74. Pomacantlius arcuatus (Linnseiis). Black angelfish. 



This beautiful species is rather common about Ke} West. It is 

 found throughout the year but is not taken in large numbers. By 

 visiting the markets a few may be seen at almost any time among the 

 many species of fish held in the live cars. It is caught in wire craw- 

 fish traps and with hook and line. It is a food fish of some impor- 

 tance locally. Maximum weight, 6 pounds; average. 1^ pounds. 



Range. — New Jersey to Bahia, Brazil; comparatively rare north 

 of Florida; known from Tortugas, Cuba, Jamaica, Porto Rico, and 

 Martinique. 



Fig. 17. — Black angelfish {Pomacantlius arcuatus). 



75. Angelichthys isabelita Jordan and Rutter, Yellow angel; Blue 



angel. 



The yellow angel is very similar to the black angel {Pomocanthus 

 arcuatus) in size, local abundance, and food qualities. It is taken 

 in wire crawfish traps or with hook and line. Maximum weight, 6 

 pounds ; average, 1| pounds. 



Range. — Florida Keys to Brazil ; known from Tortugas, Bahamas, 

 Cuba, Jamaica, Lesser Antilles, and Bahia. 



76. Hepatus coeruleus (Bloch and Schneider). Blue tang. 



The blue tang is a very beautiful fish and is fairly common about 

 Key West. It is generally taken in water from 15 to 25 feet in depth 

 on grassy or rocky bottom. It is caught with hook and line or in 

 crawfish traps, and is used for food purposes, but the annual catch 

 is small. Maximum weight, 1| pounds ; average, one-half pound. 



