282 REPORT OF XEAV JERSEY STATE ^lUSEU:.!. 



They associate usualh^ with others of our well-known fishes, such 

 as Xofropis chalybccus, Braina crysolcucas, Brimyzon sucetta 

 oblojigiis^ Lepouiis auritiis and Buponwtis gibhosiis. 



They are frequently taken in the main channel of the Dela- 

 ware. In small weedy ditches with little water they frequently 

 associate with Umbra pygmcea. In size they seldom exceed 4 

 inches. AMien seen in life a beautiful fish, the spots on the body 

 of a most brilliant sky-blue in some examples and of a dull 

 greenish-blue in others. The female is duller and with smaller 

 fins. The young are with dark vertical bands which persist more 

 or less indistinctly sometimes in adult examples. This species 

 may, however, be easily recognized by the small black spot on 

 the opercle, which is ahvays much smaller than the pupil of the 

 eye. Bnneacantlius obesiis is a closely-related species, but may 

 readily be distinguished by the large dark opercular spot, which 

 is larger than the pupil of the eye, and the distinct dark trans- 

 verse bands. I also have a large series of Xew Jersey examples 

 from AMiite Pond and the Batsto River, where it was found 

 abundantly by Cope. 



Bryttus punctatus Abbott, Am. Xat., IV, 1870, pp. loi, 102, 

 lapsus for guttatiis. 



Bnneacantlius guttatus Abbott, Rep. U. S. F. Com., 1875-76. 



p. 837. 



Bnncacanthiis niargarotis Gill and Jordan, in Jordan, Bull. U. 

 S. Nat. :\Ius., X, 1877, p. 28.— Jordan. An. X. Y. Acad. Sci., I. 

 1879, p. 98. 



Bnneacantlius siuiulans Cope. Proc. Acad. X^at. Sci. Phila.. 

 1883, p. 132. — Abbott, Xat. Rambles. 1885, p. 477. 



Aponiotis obcsus Boulenger, Cat. Fish. Brit. ^Mus., Ed. II, I. 

 1895, p. 19, in part. 



Enneacanthus obesus (Girard). 



Sun Fish. Spotted Fin Sun Fish. Spotted Sun Fish. Rock Sun 



Fish. 



Head 2^^ ; depth 2^/^^; D. IX, 11, i; A. Ill, 11 ; scales 30 in 

 lateral line to base of caudal ; 6 scales between origin of spinous 

 dorsal and lateral line; 11 scales between origin of spinous anal 



