TABLE 1 in Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin

TABLE 1 | Morphometric data of Rhyacoglanis beninei. N = 21 specimens, including the holotype.
HolotypeRangeMeanSDStandard length (mm)59.122.7–59.136.6–Percent of standard lengthHead length30.727.5–31.930.01.3Pectoral-girdle width34.126.7–34.129.21.7Predorsal length38.435.4–42.339.01.8Dorsal-fin base length17.113.8–18.416.31.2Adipose-fin base length19.915.2–21.218.01.9Prepelvic length53.548.7–56.351.81.6Distance between pelvic and anal fins24.922.0–27.325.61.3Anal-fin base length11.39.1–13.210.81.0Caudal-peduncle length16.211.4–16.213.01.4Body depth19.216.8–25.119.72.1Caudal-peduncle depth10.38.0–11.59.90.9Pectoral-fin spine length15.414.8–20.017.61.4Dorsal-fin spine length14.911.1–20.217.22.5Pelvic-fin length12.311.6–19.714.62.3Postcleithral-process length15.29.8–15.713.61.7Distance between dorsal and pelvic fins24.919.7–26.922.81.8Distance between pelvic fins13.510.4–14.411.62.8Distance between pelvic fin and anus13.911.1–14.612.51.1Distance between the anus and anal fin11.211.1–17.713.91.7Percent of head lengthEye diameter8.86.5–12.69.51.7Interorbital distance34.126.2–44.534.24.1Snout length41.332.6–41.337.12.3Mouth width65.244.8–65.254.86.2Head depth53.230.7–53.239.55.4Maxillary-barbel length90.747.5–94.072.812.2Distance between anterior and posterior nostrils18.811.4–22.516.42.9Distance between the posterior nostril and eye7.33.5–10.16.31.7Distance between posterior nostrils20.218.8–25.121.51.7