Table 1 Numbers of individuals and assemblages sampled for each genus, with data and statistics on individual-based vector means for each genus (Additional file 2 : Figure S1)
From: Trophic diversity in the evolution and community assembly of loricariid catfishes
Genus | Individuals | Assemblages | Mean vector (μ) | Length of mean vector (r) | Concentration | Circular variance | Circular standard deviation | Rayleigh's Z (P) | Rao's spacing test (P) |
|---|---|---|---|---|---|---|---|---|---|
Astroblepidae | |||||||||
 Astroblepus* | 6 | 3 | 52° | 0.74 | 1.27 | 0.26 | 45° | 0.031 | < 0.05 |
Loricariidae | |||||||||
Hypoptopomatinae | |||||||||
 Hypoptopoma | 7 | 2 | 274° | 0.22 | 0.00 | 0.78 | 99° | 0.722 | 0.90 > P > 0.50 |
Hypostominae | |||||||||
Ancistrini | |||||||||
 Ancistrus* | 44 | 9 | 192° | 0.45 | 0.99 | 0.56 | 73° | 0.000 | < 0.01 |
 Baryancistrus†| 23 | 4 | 14° | 0.32 | 0.67 | 0.68 | 87° | 0.098 | < 0.01 |
 Chaetostoma* | 44 | 5 | 179° | 0.68 | 1.88 | 0.32 | 51° | 0.000 | < 0.01 |
 Dekeyseria | 2 | 1 | 271° | 1.00 | 20.46 | 0.00 | 4° | 0.139 | – |
 Etsaputu* | 12 | 2 | 120° | 0.59 | 1.36 | 0.41 | 59° | 0.012 | < 0.01 |
 Hemiancistrus* | 51 | 5 | 60° | 0.46 | 1.03 | 0.54 | 72° | 0.000 | < 0.01 |
 Hopliancistrus | 5 | 1 | 86° | 0.31 | 0.02 | 0.69 | 88° | 0.650 | 0.50 > P > 0.10 |
 Hypancistrus* | 25 | 4 | 157° | 0.88 | 4.62 | 0.12 | 28° | 0.000 | < 0.01 |
 Lasiancistrus* | 17 | 4 | 174° | 0.57 | 1.38 | 0.43 | 61° | 0.003 | < 0.05 |
 Leporacanthicus* | 12 | 2 | 136° | 0.68 | 1.82 | 0.32 | 50° | 0.002 | < 0.01 |
 Lithoxus | 2 | 1 | 69° | 0.97 | 1.90 | 0.03 | 13° | 0.158 | – |
 Panaque* | 41 | 5 | 343° | 0.34 | 0.72 | 0.66 | 84° | 0.008 | < 0.01 |
 Peckoltia* | 15 | 5 | 113° | 0.64 | 1.59 | 0.36 | 55° | 0.001 | < 0.01 |
 Pseudacanthicus | 1 | 1 | 110° | 1.00 | – | – | – | 0.512 | – |
 Pseudancistrus* | 32 | 4 | 53° | 0.75 | 2.34 | 0.25 | 44° | 0.000 | < 0.01 |
 Pseudolithoxus* | 24 | 3 | 108° | 0.50 | 1.16 | 0.50 | 67° | 0.002 | 0.10 > P > 0.05 |
 Scobinancistrus | 2 | 1 | 149° | 0.99 | 6.29 | 0.01 | 7° | 0.143 | – |
 Spectracanthicus | 4 | 1 | 86° | 0.69 | 1.72 | 0.31 | 49° | 0.148 | 0.50 > P > 0.10 |
Hypostomini | |||||||||
 H. cochliodon grp.†| 30 | 7 | 329° | 0.30 | 0.63 | 0.70 | 89° | 0.063 | < 0.05 |
 H. plecostomus grp.* | 97 | 14 | 302° | 0.19 | 0.39 | 0.81 | 104° | 0.028 | < 0.05 |
Pterygoplichthyini | |||||||||
 Pterygoplichthys | 2 | 2 | 254° | 0.73 | 0.22 | 0.27 | 45° | 0.396 | – |
Loricariinae | |||||||||
Farlowellini | |||||||||
 Farlowella | 4 | 3 | 251° | 0.51 | 0.77 | 0.49 | 66° | 0.376 | 0.50 > P > 0.10 |
Harttiini | |||||||||
 Harttia* | 14 | 2 | 1° | 0.98 | 18.40 | 0.02 | 12° | 0.000 | < 0.01 |
 Lamontichthys* | 10 | 1 | 174° | 0.97 | 12.64 | 0.03 | 14° | 0.000 | < 0.01 |
 Sturisoma* | 16 | 2 | 187° | 0.65 | 1.74 | 0.35 | 53° | 0.001 | < 0.01 |
Loricariini | |||||||||
 Limatulichthys | 20 | 3 | 304° | 0.25 | 0.51 | 0.75 | 96° | 0.299 | < 0.01 |
 Loricaria | 10 | 5 | 339° | 0.36 | 0.50 | 0.64 | 82° | 0.289 | 0.90 > P > 0.50 |
 Loricariichthys | 5 | 2 | 6° | 0.55 | 1.01 | 0.45 | 63° | 0.231 | 0.50 > P > 0.10 |
 Pseudoloricaria†| 3 | 1 | 331° | 0.93 | 2.01 | 0.07 | 22° | 0.062 | – |
 Rineloricaria* | 52 | 5 | 313° | 0.26 | 0.54 | 0.74 | 94° | 0.030 | < 0.01 |
 Spatuloricaria | 17 | 6 | 90° | 0.21 | 0.42 | 0.80 | 102° | 0.497 | < 0.01 |