186 University of Washington Publications in Biology [Vol. 2. 



lescent; palatine patches of teeth narrower than 

 those on mandible. Range : Str. of Juan de Fuca 

 to San Diego. Marine. Not common. 

 284. Asterothcca pcntacantha (Gilbert) 



lb. Dorsal fin single (spinous dorsal absent). Range: Alaska to Columbia 

 River Mouth. Marine. Common. 

 Smooth Sea Poacher 285. Anoplagonus inermis (Giinther) 



Family 71. Cyclopteridae. Lumpsuckers 



la. Head and body nearly naked, only a few scattered spines over it; dorsal 

 V, 7 ; anal 6 ; color red in life. Range : Puget Sound. Marine. Rare. 



Smooth Lumpsucker or Lumpfish 



286. Eumicrotremus vinolentus (Jordan and Starks) 11 



lb. Head and body covered with spiny conical tubercles, the largest in a group 

 of 7 or 8 on the flank behind the pectorals; dorsal VI to VII, 9 to 11; 

 anal 8 to 10. Range : Aleutian Islands to Puget Sound. Marine. Common. 

 Spiny Lumpsucker 287. Eumicrotremus orbis (Giinther) 



Family 72. Liparididae. 12 Sea Snails. Rock suckers 



la. Nostril double ; pseudobranchiae present ; pectoral typically with more rays 

 than anal. 



2a. Pyloric caeca fewer than ISO (not matted) ; probably always fewer than 

 100; peritoneum pale or silvery, usually with scattered brown or black 

 dots. 



3a. Caudal free from the dorsal or connected for not more than ]/$ its 

 length. 



4a. Dorsal notched; gill opening either above the pectoral or extending 

 down in front of not more than 6 rays ; anal fewer than 30 rays ; 

 dorsal not more than 35. 



5a. Gill slit above the pectoral, sometimes appearing to extend down 

 in front of the upper ray. 



6a. Disk 2 or less in head; pyloric caeca less than 50 (15 to 37) ; 

 anterior dorsal rays often elevated ; pectoral rays 30 to 33 ; a white 

 bar across base of caudal fin. Range : Alaska to Oregon. Ma- 

 rine. Not rare. 

 288. Liparis rutteri (Gilbert and Snyder) 



6b. Disk more than 2 in head. Fig. 17. Range: Aleutian Islands to 

 Washington. Marine. Common. 

 289. Liparis callyodon (Pallas) 



5b. Gill slit extending down in front of 3 to 5 pectoral rays. 



7a. Body deepest below origin of 1st dorsal ; disk more than half 

 as long as head ; anus nearer anal fin than disk ; eye 5 to 7 

 in head; 1st dorsal fin is low and broadly rounded, not incised 

 behind. Range: Cape Johnson to central California. Marine. 

 Rare. 

 290. Liparis mucosus Ayres 



•'Probably this is the young of some species of Lumpsucker. 

 "This key is modified after V. Burke (1930), Bull. U. S. Nat. Mus. 



