1936] 



Schults: Keys to Fishes 



171 



Family 66. Hexagrammidae. Greenlings. Rock Trout 



la. Anal fin with 3 spines. 



2a. Gill membranes very narrowly joined together, but free from isthmus; 

 2nd dorsal spine very high and long; a black streak before eye; dermal 

 flaps on top of head small or absent ; color of body not of vertical stripes. 

 Range : North Pacific southward to San Diego, California. Marine. 

 Common. 



Long-spined Greenling. 



Broad-finned Greenling 



210. Zaniolepis latipinnis Girard 



2b. Gill membranes broadly united ; 2nd dorsal spine not long ; no black streak 

 before the eye ; 2 pair of dermal flaps on head ; 6 vertical stripes on body. 

 Range : Puget Sound to San Miguel Island, Lower California. Marine. 

 Common. 

 Convict Fish. Painted Greenling 211. Oxylebius pictus Gill 



lb. Anal fin without spines ; gill membranes broadly united ; 4 or 5 lateral lines 

 on each side. 



3a. Dermal flaps 2, 1 above eye, the other small and located on each side 

 of the nape. Range: Kodiak Island to Pt. Conception. Marine. Com- 

 mon. 

 Kelp Greenling 212. Chiropsis decagrammns (Pallas) 



3b. A single pair of dermal flaps above eye only. 



4a. Fourth lateral line ends at about middle of anal fin base ; supraocular 

 flaps large ; least depth of caudal peduncle equal to distance from tip 

 of snout to about posterior edge of eye. Range : Bering Sea to Mon- 

 terey Bay, California. Marine. Common. Fig. 45. 

 Red Greenling 213. Lcbius supcrciliosus (Pallas) 



Fig. 45. A view of the ven- 

 tral side of the head region 

 of a greenling, Hexagrammos, 

 showing the possible positions 

 of the 4th and Sth lateral 

 lines. Br 4th Lat — ventral 

 fin branch of the 4th lateral 

 line; 4th Lat — fourth lateral 

 line; 5th Lat — fifth lateral 

 line. 



-Br4tbUt 



_4f/. Lat 



-5TU Lot 



