Crenicichla britskii Kullander 1982

Crenicichla britskii Kullander, 1982

Fig. 34

Body deep; greatest depth contained 3.2 to 3.9, head depth 5.0 to 5.5 and caudal peduncle depth 7.1 to 8.1 times in SL; head length 2.9 to 3.1 and caudal peduncle length 7.8 to 8.3 in SL; snout length 1.5 to 2.3, horizontal orbital diameter 3.0 to 4.2 and least interorbital width 3.5 to 4.0 in HL. Mouth terminal; premaxilla and dentary with arranged in several teeth rows. Upper lateral line with 20-22 pored scales, lower lateral line with 7-9 pored scales and longitudinal series with 33-40 scales. Transversal series above upper lateral with 3 to 4½ and below lower lateral line with 7-9 scale rows. Dorsal fin with XVI,14- 16, pectoral fin with 14 or 15, pelvic fin with I,5 and anal fin with III,9-11 rays (Kullander, 1982b). Ground color greyish to greenish; dorsum with dark-brown transverse bars; dark-grey suborbital stripe; dark-brown discontinuous longitudinal band, sometimes inconspicuous, from snout to caudal peduncle; black rounded humeral blotch; black rounded ocelli on caudalfin base. Dorsal, anal and caudal fins with white spots; pectoral and pelvic fins yellowish or hyaline (Graça, Pavanelli, 2007).

Maximum standard length. 176.0 mm (Graça, Pavanelli, 2007).

Distribution. Upper río Paraná basin.