24 DIVISION OF FISH AND GAME 



4a. Body short, deep, square-cut behind ; high dorsal and anal fins set far 

 back. Ocean sunfish, Mola mola (page 141) . 



4b. Body not distorted as above. 



California pompano, Palometa simillima (page 74) . 



SECTION E 

 Fish With Both Eyes on the Same Side of the Head 



la. Dorsal and anal fins joined to caudal. 



Tongue sole, Symphurus atricaudus (page 140). 

 lb. Dorsal and anal fins separate from caudal. 



2a. Ventral fin of eyed side on belly ridge ; ventrals thus not symmetrical. 

 3a. Pectoral fin of eyed side longer than head. 



Sand dab, Cttharichthys xanthostigmus (not illustrated). 

 3b. Pectoral fin of eyed side shorter than head. 

 4a. Lower eye longer than snout. 



Sand dab, Citharichthys sordidus (page 123). 

 4b. Lower eye no longer than snout. 



Sand dab, Citharichthys stigmaeus (not illustrated). 

 2b. Ventral fins symmetrical, one on either side of belly ridge. 

 5a. Lateral line with a high arch over the pectoral fin. 



6a. Pectoral fin of the eyed side almost as long as or longer than head. 



Fantail sole, Xystreurys liolepis (page 126). 

 6b. Pectoral fin on eyed side little more than half the head length. 

 7a. Lateral line with a dorsal branch. 



Broadfin sole, Lepidopsetta Mlineata (page 127). 

 7b. Lateral line without a dorsal branch. 



8a. Maxillary reaches below or past hind border of lower eye. 

 9a. High bony ridge between eyes. 



Bigmouth sole, Hippoglossina stomata (not illustrated). 

 9b. Space between eyes flat. 



California halibut, Paralichthys californicus (page 124). 

 8b. Maxillary does not reach past middle of lower eye. 



Pacific halibut, Hippoglossus stenolepis (page 125). 

 5b. Lateral line slightly curved or nearly straight over pectoral fin. 



10a. Lateral line with a dorsal branch (examine both sides of body ; it is some- 

 times difficult to see) . 

 11a. First dorsal rays elongated, not connected by membrane for about half 

 their length. Sand sole, Psettichthys melanosticus (page 128). 



lib. First dorsal rays not as described above. 



12a. Origin of 5 or more dorsal rays on blind side ; high bony ridge between 

 eyes. 

 13a. Origin of dorsal as low as corner of mouth ; 9 or more rays on 

 blind side. Curlfin turbot, Pleuronichthys decurrens (page 139). 

 13b. The 5 or 6 rays on the blind side do not extend down as far as 

 the corner of the mouth. 

 14a. Ridge between eyes high, very sharp-edged ; sharp, prominent 

 spines at each end ; mouth overhung by blunt spine. 



Sharpridge turbot, Pleuronichthys rcrticalis (page 138). 

 14b. Ridge not as described above. 



15a. Front of ridge with 2 short blunt spines. 



Spotted turbot, Pleuronichthys ritteri (not illustrated). 

 15b. Spines at front of ridge little if at all developed. 



C-O turbot, Pleuronichthys coenosus (not illustrated). 

 12b. Dorsal rays originate on body midline or with 1 or 2 slightly on one 

 side ; ridge between eyes moderate or absent. 

 16a. Body depth excluding fins about half the entire length including the 

 tail. Diamond turbot, Hypsopsetta guttulata (page 137). 



16b. Depth less than half entire length. 

 17a. Body and fins with scales. 



Scaly-fin sole, Isopsetta isolepis (page 129). 

 17b. No scales on fins ; those on body chiefly smooth to the touch. 



English sole, Parophrys retulus (page 130). 



