7723 - Laserfiche WebLink

Home Browse Search

more melanophores near or along ventral margin of one or both preopercles . . . . . . . . . . . . . . . . . . C. commersolli 219 (218). Pigment on ventral surface of heart region a. absent (Fig. 45) .......... C. discobolus b. present (Figs. 31, 44) ............. 220 220 (219). Lateral surface of head posterior to eyes with a. SS melanophores (Fig. 45) .. C. discobolus b. ~6 melanophores (Fig. 31) ......... 221 221 (220). Developing dorsal fro with a. few (SS) or no meIanophores (Fig. 45) . . . . . . . . . . . . . . . . . . . C. discobolus b. many (~6) melanophores (Fig. 31 by our observations should have more melano- phores in the dorsal rm for specimens of the size pertinent to this loop of the key) . . . . . . . . . . . . . . . . . . . . . . . . .. 222 222 (221). Length from anterior margin of snout to posterior margin of vent a. 76-77% SL . . . . . . . . . . . . . . C. discobolus b. 78-81% SL . . . . . . . . . . . . . . . . . . . .. 223 223 (216,222). Number of myomeres to posterior margin of vent a. 34 .................. C. commersolli b. 35-40 . . . . . . . . . . . . . . . . . . . . . . . ., 224 224 (217,223). Total number of myomeres a. 43-46 . . . . . . . . . . . . . . . . . C. commersolli b. 47-49 . . . . . . . . . . . . . . . . . C. commersolli C. discobolus 225 (14,187,188). Longitudinal eye diameter a. 24-25% of head length . . . . C. commersoni b. 26-34% of head length . . . . . . . . . . .. 226 c. 35% of head length. . . . . . C. platyrhynchus 226 (212,225). Lateral surface of head posterior to eyes with a. SS melanophores (rig. 45) C. platyrh)'1lchus b. ~6 melanophores (Figs. 31, 73) . . . . .. 227 227 (226). Developing dorsal fro with a. few (SS) or no melanophores (Fig. 45) ... . . . . . . . . . . . . . . . . . C. platyrhYllchus b. many (~6) melanophores (Fig. 73; Fig. 31 by our observations should have more melanophores in the dorsal fro for speci- mens of the size pertinent to this loop of the key) . . . . . . . . . . . . . . . . . . . . . .. 228 228 (227). Length from anterior margin of snout to posterior margin of vent a. 77% SL . .. .. . . ... .. . . C.platyrh)'1lchus b. 78-80% SL . . . . . . . . . . . . . . . . . . . .. 229 c. 81% SL . . . . . . . . . . . . . . . C. commersolli 229 (228). Number of myomeres to posterior margin of vent a. 32-33................ C.platyrh)'1lchus b. 34-37 . . . . . . . . . . . . . . . . . . . . . . . .. 230 c. 38-40................. C. commersoni 230 (217,229). Total number of myomeres a. 43-47 . . . . . . . . . . . . . . . . . C. commersolli C. platyrhynchus b. 48-49 . . . . . . . . . . . . . . . . . C. commersolli 231 (19,190,191,192). Longitudinal eye diameter a. 24-25% of head length . . . . . C. discobolus b. 26-34% of head length . . . . . . . . . . .. 232 c. 35% of head length. . . . . . C. platyrhynchus 232 (231). Pigment over ventral to ventro-Iateral surfaces of gill covers (opercula) a. absent or present but not in distinct oblique rows (Fig. 45) ............ 233 b. present in a distinct oblique row of 3 or more melanophores near or along ven- tral margin of one or both preopercles (Fig. 73) ............. C. platyrh)'1lchus 233 (232). Pigment on ventral surface of heart region a. absent (Fig. 45) .......... C. discobolus b. present (Figs. 44, 73) ............. 234 234 (214,215,233). Length from anterior margin of snout to posterior margin of vent a. 76% SL . . . . . . . . . . . . . . .. C. discobolus b. 77-80% SL .................... 235 c. 81% SL . . . . . . . . . . . . . . . . C. discobolus 235 (216,234). Number of myomeres to posterior margin of vent a. 32-34................ C. platyrhynchus b. 35-37 . . . . . . . . . . . . . . . . . . . . . . . .. 310 c. 38-40 .................. C.discobolus 236 (205,206). Longitudinal eye diameter a. 24-26% of head length . . . . . . . . . . .. 237 b. 27-30% of head length .... . . . . . . .. 238 c. 31-33% of head length............ 239 d. 34% of head length .............. 257 e. 35% of head length .............. 279 f. 36-38% of head length .. . . . . . . C. ardellS 237 (236). Pigment over ventral to ventro-lateral surfaces of gill covers (opercula) a. absent or present but not in distinct oblique rows (FigS. 45, 59) ......... 259 b. present in a distinct oblique row of 3 or more melanophores near or along ven- tral margin of one or both preopercles (Fig. 73) ................ C. latipinnis 238 (236). Pigment over ventral to ventro-Iateral surfaces of gill covers (opercula) a. absent or present but not in distinct oblique rows (Figs. 45, 59, 87) ...... 241 b. present in a distinct oblique row of 3 or more melanophores near or along ven- tral margin of one or both preopercles (Fig. 73) ...................... 306 68