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Characterization of the Lutjanus griseus parasite structure in the Mecoacán Lagoon system for the rainy and dry season_
| Dry season | Wet season | |
|---|---|---|
| Examined hosts | n=30 | n=30 |
| Average number of species ± SD | 2.7 ± 1.23 | 3.16 ± 0.74 |
| Average number of parasites ± SD | 18.33 ± 16.53 | 42.7 ± 23.47 |
| Range | 2 – 61 | 13 – 139 |
| Average Simpson’s Index (1/D) ± SD | 0.47 ± 0.21 | 0.54 ± 0.065 |
| Range | 0 – 0.84 | 0.41 – 69 |
| Average Brillouin’s Index ± SD | 0.53 ± 0.27 | 0.74 ± 0.142 |
| Range | 0 – 1.14 | 0.57 – 1.21 |
Characterization of the diversity of the component community of the Lutjanus griseus parasites in the Mecoacan Lagoon system for the dry and rainy season_
| Dry season | Wet season | |
|---|---|---|
| Examined hosts | 30 | 30 |
| N° of species | 14 | 11 |
| N° of individuals | 550 | 1281 |
| Shannon Index | 1.03 | 1.18 |
| Margalef’s Index | 2.06 | 1.39 |
| Berger-Parker Index | 0.56 | 0.45 |
| Numerical dominance 1/D | 0.45 | 0.34 |
| Dominant species | Euryhaliotrema griseus | Euryhaliotrema fastigatum |
Parasite species found in Lutjanus griseus (n = 60)_ Parasites Species, Organ preference, Location in the body of the host: GC- gill cavity, IC- intestinal cecum, Me- mesentery, CC- coelomic cavity, Stw- stomach wall, S-stomach, I- intestine, L- liver_ Levels of infection in prevalence (%P), mean abundance (MA) (± standard deviation), intensity (M) in dry and rain seasons_
| Dry season | Wet season | ||||||
|---|---|---|---|---|---|---|---|
| Site of Infection | I | %P | MA | I | %P | MA | |
| Myxozoo sp. | I, R | 0 | 0 | 0 | 17 | 33.33 | 5.7 ± 3.4 |
| Euryhaliotrema griseus | S, GC, D, R | 10.65 | 96.66 | 10.3 ± 2.1 | 15.46 | 100 | 15.46 ± 1.2 |
| Euryhaliotrema fastigatum | S, CG, R | 7.21 | 93.33 | 6.73 ± 1.6 | 19.63 | 100 | 19.63 ± 1.9 |
| Helicometra sp. | I, D | 1.16 | 20 | 0.23 ± 0.09 | 1 | 3.33 | 0.033 ± 0.33 |
| Siphodera vinaledwardsii | IC, D, R | 1 | 3.33 | 0.03 ± 0.03 | 0 | 0 | 0 |
| Pseudophyllidea gen. sp. | IC, D | 3 | 3.33 | 0.1 ± 0.07 | 0 | 0 | 0 |
| Tetraphyllidea gen. sp. | IC, D | 10 | 3.33 | 0.33 ± 0.33 | 0 | 0 | 0 |
| Contracaecum sp. type 1* | I, Me, CC, D, R | 1 | 3.33 | 0.03 ± 0.18 | 0.2 | 16.66 | 0.03 ± 0.18 |
| Contracaecum sp. type 2* | I, Me, CC D, R | 3 | 3.33 | 0.1 ± 0.1 | 3 | 23.33 | 0.7 ± 0.3 |
| Cucullanus pargi .* | I, Me, CC D, R | 1.5 | 6.66 | 0.1 ± 0.74 | 1 | 3.33 | 0.03 ± 0.18 |
| Pseudoterranova sp.* | Me, R | 0 | 0 | 0 | 1 | 3.33 | 0.03 ± 0.18 |
| Rhadinorhynchus sp. | M, D | 1 | 3.33 | 0.03 ± 0.03 | 0 | 0 | 0 |
| Gorgorhynchoides sp. | Me, S, D | 1 | 3.33 | 0.03 ± 0.18 | 1 | 3.33 | 0.1 ± 0.5 |
| Cysthacanth sp.1 | I, Me, CC D, R | 1 | 3.33 | 0.03 ± 0.03 | 0 | 0 | 0 |
| Cysthacanth sp. 2 | I, Me, CC D, R | 1 | 3.33 | 0.03 ± 0.033 | 0 | 0 | 0 |
| Gorgorhynchus sp. | Ly Me, Stw, R | 1.16 | 20 | 0.23 ± 0.093 | 1 | 6.66 | 0.01 ± 0.25 |
| Neoechinorhynchus sp. | Ly Me, Stw | 0 | 0 | 0 | 4.28 | 23.33 | 1 ± 2.6 |