Walker and Radford: Eastern Pacific species of the genus Umbnna 



581 



mens <65mm; 5-8 wide, dark bars (saddles) on speci- 

 mens 30-65 mm; dorsal and pelvic (posterior) fins dusky 

 to dark; pectoral and caudal fins light to dusky (pos- 

 terior pectoral fin dark on specimens < 45 mm); anal fin 

 dark to dusky. 



Distribution South of Bahia Magdalena and in the 

 southern Gulf of California to Equador (Fig. 2). Found 

 in tidepools (juveniles) to ~5m. 



Umbrina galapagorum Steindachner 

 Figure 8 



Synonymy 



Umbrina galapagorum Steindachner 1878:20-21 (orig- 

 inal description: syntypes MCZ 8601, USNM 

 120437, James I., Galapagos Is.; lectotype MCZ 8601 

 (94 mm), herein designated; paralectotype USNM 

 120437). 



Diagnosis An intermediate-sized species of Umbrina 

 (max. length 413 mm) characterized by the following: 

 inside gill cover lightly punctate or dusky, usually little 

 or no pigment in area of pseudobranch; brown stripes 

 indistinct or absent; peritoneum pale or lightly punc- 

 tate; soft dorsal fin rays usually 27-29; soft anal rays 

 usually 6-7; pectoral rays usually 17-19; procurrent 

 caudal rays usually 9-10 -i- 8-9; dorsal spines X -i- 1; gill 

 rakers usually 18-19; vertebrae 10 -i- 15; barbel rela- 

 tively elongate, thin; length of second anal spine, x 

 12% SL; body depth, i 29%; eye length, x 6%; upper 

 jaw length, x 10%; pectoral fin length, x 18%. 



Description Counts and measurements are given in 



Tables 1-6. Soft rays of second dorsal fin 26-30; soft 

 anal rays 5-7; pectoral rays 16-20; gill rakers 16-21; 

 snout length greater than eye length; pigment inside 

 operculum occasionally appearing as muted, dark spot; 

 barbel fully developed by 60 mm, bulbous between 30 

 and ~50mm; lateral line scales 47-52, 5:49.73, SE 

 0.08; faint brown stripes visible at 40-50 mm, occa- 

 sionally evident to ~100mm; ~9-10 dark, vertical bars 

 frequently on specimens between ~30 and 95 mm; dor- 

 sal and caudal fins usually dusky, caudal occasionally 

 lighter; pectoral, pelvic and anal fins unpigmented to 

 lightly punctate. 



Distribution Endemic to the Galapagos Is. (Fig. 4), 

 found near beaches to 18 m. 



Umbrina analis Giinther 

 Figure 9 



Synonymy 



Umbrina analis Gunther 1869(1866):426-427 (original 

 description: holotype BMNH 1867.9.23.18, Panama). 



Umbrina tumacoensis Wilson 1916:67 (original descrip- 

 tion: holotype, presumed lost (pers. commun.: M.E. 

 Anderson, CAS, 2 March 1988; B. Chernoff, FMNH, 

 22 March 1988), paratypes CAS 62852, FMNH 

 56840). 



Diagnosis A small species of Umbrina (max. length 

 231 mm) characterized by the following (based on nine 

 specimens): peritoneum and inside gill cover pale to 

 lightly punctate; soft dorsal fin rays 24-26; soft anal 

 rays 6; pectoral rays usually 17; procurrent caudal rays 

 8-9 -I- 7-8; dorsal spines X -i- 1; gill rakers usually 17-18; 



-"-—■ iiiiir-niiMin^ 



Figure 9 



Umbrina analis, 229mmSL, LACM 33822-32. 



