Table 2 Genomic diversity of 3482 neutral SNPs loci estimates for the humboldtianum group, under each species delimitation hypothesis examined in this study (i–iv)
N | HO (SD) | HE (SD) | F (SD) | LDNe (95% CIs) | HetExcessNe (95% CIs) | CoancestryNe (95% CIs) | |
|---|---|---|---|---|---|---|---|
9 morphospecies (i; Barbour, 1973) | |||||||
C. chapalae | 1 | – | – | – | – | – | – |
C. consocium | 4 | 0.138 (0.004) | 0.110 (0.003) | − 0.225 (0.008) | Infinite (infinite–infinite) | 8.9 (6.4–14.9) | 10.9 (8.1) |
C. lucius | 7 | 0.134 (0.004) | 0.115 (0.003) | − 0.144 (0.007) | Infinite (infinite–infinite) | 12.6 (8.4–25.6) | 6 (4.9) |
C. promelas | 5 | 0.123 (0.004) | 0.099 (0.003) | − 0.222 (0.009) | Infinite (infinite–infinite) | Infinite (20.1–infinite) | 31 (19.3) |
C. sphyraena | 24 | 0.136 (0.004) | 0.121 (0.003) | − 0.083 (0.005) | Infinite (infinite-infinite) | 8.9 (7.2–11.6) | 2.2 (1.9) |
C. humboldtianum | 7 | 0.126 (0.004) | 0.117 (0.003) | − 0.062 (0.007) | Infinite (infinite–infinite) | Infinite (108.1–infinite) | 3 (2.7) |
C. estor | 15 | 0.103 (0.004) | 0.096 (0.003) | − 0.041 (0.007) | Infinite (infinite–infinite) | 244 (19.9–infinite) | 3.6 (3.2) |
C. grandocule | 6 | 0.100 (0.004) | 0.084 (0.003) | − 0.170 (0.008) | Infinite (infinite–infinite) | 10.6 (6.9–24.6) | 7.2 (5.4) |
C. patzcuaro | 3 | 0.112 (0.004) | 0.085 (0.003) | − 0.301 (0.009) | Infinite (infinite–infinite) | 7.2 (5.3–11.8) | Infinite (infinite) |
5 mitonuclear groups (ii, Betancourt-Resendes et al. 2020) | |||||||
C. chapalae | 17 | 0.130 (0.003) | 0.139 (0.003) | 0.079 (0.007) | Infinite (infinite–infinite) | 24.7 (13.5–179.5) | 4.5 (3.9) |
C. sphyraena | 24 | 0.136 (0.004) | 0.121 (0.003) | − 0.083 (0.005) | Infinite (infinite–infinite) | 8.9 (7.2–11.6) | 2.2 (1.9) |
C. humboldtianum | 7 | 0.126 (0.004) | 0.117 (0.003) | − 0.062 (0.007) | Infinite (infinite–infinite) | Infinite (108.1–infinite) | 3 (2.7) |
C. e. estor | 16 | 0.103 (0.004) | 0.096 (0.003) | − 0.037 (0.007) | Infinite (infinite–infinite) | 10.8 (7.6–18.9) | 4.4 (3.6) |
C. e. copandaro | 8 | 0.097 (0.004) | 0.105 (0.003) | 0.082 (0.010) | Infinite (infinite–infinite) | 8.9 (6.2–16.4) | 5.4 (4.2) |
4 multivariate DAPC clusters (iii, This study) | |||||||
C. chapalae groupa | 17 | 0.130 (0.003) | 0.139 (0.002) | 0.079 (0.007) | Infinite (infinite–infinite) | 24.7 (13.5–179.6) | 4.5 (3.9) |
C. sphyraena | 24 | 0.136 (0.004) | 0.121 (0.003) | − 0.083 (0.005) | Infinite (infinite–infinite) | 8.9 (7.2–11.6) | 2.2 (1.9) |
C. humboldtianum sensu stricto | 7 | 0.126 (0.003) | 0.117 (0.003) | − 0.062 (0.007) | Infinite (infinite–infinite) | Infinite (108.1–infinite) | 3 (2.7) |
C. estor groupb | 24 | 0.101 (0.003) | 0.104 (0.003) | 0.103 (0.008) | Infinite (infinite–infinite) | 106.4 (20.2–infinite) | 4.4 (3.8) |
Admixture clusters K = 3 (iv, This study) | |||||||
C. chapalae-sphyraena groups | 41 | 0.134 (0.003) | 0.138 (0.003) | 0.085 (0.006) | 86.9 (84.8–89.1) | 317 (40–infinite) | 4.2 (3.8) |
C. humboldtianum sensu stricto group | 7 | 0.126 (0.003) | 0.117 (0.003) | − 0.062 (0.007) | Infinite (infinite–infinite) | Infinite (108.1–infinite) | 3 (2.7) |
C. estor group | 24 | 0.101 (0.003) | 0.104 (0.003) | 0.103 (0.008) | Infinite (infinite–infinite) | 106.4 (20.2–infinite) | 4.4 (3.8) |