Table 3.
Data for the six monogenean species more frequent and abundant in the samples and its intraspecific aggregation J, values.
| Number of component communities from which was recorded (total number of specimens, and range min – max in component community) | Correlation values between prevalence vs abundance | Mean J ± Sd value (number, and range min – max of J > 0 values recorded) | Correlation values between J vs | |
|---|---|---|---|---|
| C. costaricensis | 20 (438, 4–44) | r = 0.75*** | 1.1 ± 1.1 (19, 0.1–4.9) | Mean intensity r = 0.62** Total monogeneas r = 0.44* Maximum no. monogeneans in an infracommunity r = 0.51* Mean no. monogeneans per host r = 0.48* |
| A. anacanthocotyle | 18 (125, 1–22) | r = 0.90*** | 0.37 ± 2.0 (8, 0.5–7.3) | No. of individuals of A. anacanthocotyle r = 0.66** Mean intensity r = 0.89*** Abundance r = 0.67*** |
| P. heteroancisthrium | 14 (119, 1–25) | r = 0.94*** | 0.5 ± 1.3 (9, 0.2–2.3) | Prevalence r = 0.94*** No. of individuals of P. heteroancisthrium r = 0.77*** Abundance r = 0.77*** Mean intensity r = 0.84*** Mean no. of species r = 0.53* |
| D. kabatai | 13 (44, 1–12) | r = 0.89*** | 0.36 ± 3.3 (3, 0.8–10) | Prevalence r = 0.54* No. of individuals of D. kabatai r = 0.84*** Mean intensity r 0.89*** Abundance r = 0.70*** No. of species r = 0.54* |
| C. chajuli | 11 (39, 1–9) | r = 0.79*** | 1.5 ± 2.7 (7, 0.2–6.5) | No. of individuals of C. chajuli r = 0.55 p = 0.07 NS Abundance r = 0.55 p = 0.07 NS Mean no. of monogeneans per host r = - 0.58 p = 0.06 NS |
| C. exiguum | 6 (8, 1–2) | r = 0.46, p < 0.33 N.S. | 0.27 ± 3.0 (1, 6.5) | No. of individuals of C. exiguum r = 0.97 p = 0.06 NS Abundance r = 1 p = 0.06 NS |
*p < 0.05; **p < 0.01; ***p < 0.001.