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Table 3 Frequency distribution of counts for 7 species of Stegastes from the Western Atlantic

From: A reappraisal of Stegastes species occurring in the South Atlantic using morphological and molecular data

Species Dorsal rays Variation Mean
N 12 13 14 15 16 17
S. sanctipauli* 21 – – 1 20 – – 14–15 14.9
S. sanctipauli 11 – – 1 10 – – 14–15 14.9
S. rocasensis* 36 – 1 3 31 1 – 13–16 14.9
S. rocasensis (RA) 9 – – 2 6 1 – 14–16 14.8
S. fuscus 18 – – 2 15 1 – 15–16 14.9
S. variabilis* 57 – – 3 23 29 2 14–17 15.5
S. variabilis 10 – – 4 6 – – 14–15 14.6
S. pictus 13 – – – 7 6 – 15–16 15.5
S. trindadensis* 23 – – X X X X 14–17 X
S. trindadensis 12 – – – – – 12 17 17
Species Anal rays Variation Mean
N 11 12 13 14 15 16
S. sanctipauli* 21 – – 21 – – – 13 13.0
S. sanctipauli 11 – – 9 2 – – 13–14 13.2
S. rocasensis* 36 – – 36 – – – 13 13.0
S. rocasensis (RA) 9 – – 7 2 – – 13–14 13.2
S. fuscus 18 – 3 9 6 – – 12–14 13.2
S. variabilis* 57 – 1 20 32 4 – 12–15 13.7
S. variabilis 10 – 3 7 – – – 12–13 12.7
S. pictus 13 – 1 4 7 1 – 12–15 13.6
S. trindadensis* 23 – – X X X – 13–15 X
S. trindadensis 12 – – 1 7 4 – 13–15 14.2
Species Pectoral rays Variation Mean
N 17 18 19 20 21 22
S. sanctipauli* 21 – – 2 18 1 – 19–21 19.9
S. sanctipauli 11 – – 1 10 – – 19–20 19.9
S. rocasensis* 36 – – 2 31 3 – 19–21 20.0
S. rocasensis (RA) 9 – – 1 8 – – 19–20 19.9
S. fuscus 18 – – 2 8 8 – 19–21 20.3
S. variabilis* 57 – 1 16 38 2 – 18–21 19.7
S. variabilis 10 – – 1 7 2 – 19–21 20.1
S. pictus 13 1 11 1 – – – 17–19 18.0
S. trindadensis* – – – X X X – 19–21 X
S. trindadensis 12 – 1 11 – – – 18–19 18.9
Species Lateral line-scales Variation Mean
N 16 17 18 19 20 21
S. sanctipauli* 12 – – – 2 19 – 19–20 19.8
S. sanctipauli 11 – – – – 11 – 20 20.0
S. rocasensis* 36 – – 2 4 29 1 18–21 19.8
S. rocasensis (RA) 9 – – – 2 7 – 19–20 19.8
S. fuscus 18 – – – – 15 3 20–21 20.2
S. variabilis* 57 – – 2 28 27 – 18–20 19.4
S. variabilis 10 – – – 1 9 – 19–20 19.9
S. pictus 13 – – – 1 12 – 19–20 19.9
S. trindadensis* 23 – – – X X X 19–21 X
S. trindadensis 12 – – – 1 10 1 19–21 20.0
  1. Literature data for S. variabilis and S. pictus [44], S. rocasensis [22], S. sanctipauli [27] and S. trindadensis [17] are highlighted with an asterisk
  2. RA Rocas atoll
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Helgoland Marine Research

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