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Table 1

Parasite infection parameters for Caranx sexfasciatus from Acapulco Bay, Mexico.

Parasite taxa Site on host Accession numbera Year n b Prevalence (%) Totalc Abundanced Range of intensitye DIf ICIg
Digenea
Bucephalus margaritae Ozaki & Ishibashi, 1934 Intestine 10,997 2017 97 2.06 3 0.03 ± 0.71 1–2 0.33 0.007
2018M 63 4.76 3 0.05 0–1 0.021
2019 110 3.64 10 0.09 ± 2.4 1–6 2.27 0.015
Bucephalus varicus h Manter, 1940 Intestine 10,998 2016M 65 40* 81 1.25 ± 2.2 1–9 1.52 0.146
2016O 36 27.78 67 1.86 ± 7.4* 1–25 8.13 0.109
2017 97 24.74 70 0.72 ± 3 1–12 3.04 0.086
2018M 63 14.29 26 0.41 ± 2.8 1–9 2.72 0.064
2018N 51 3.92 2 0.04 0–1 0.016
2019 110 19.09 157 1.43 ± 8.6 1–31 9.89 0.081
Neoapocreadium cf. caranxi Intestine 2017 97 1.03 1 0.01 0–1 0.004
 Didymozoid larvae Intestine 2017 97 4.12 6 0.06 ± 0.6 1–2 0.22 0.014
2018N 51 1.96 2 0.04 0–2 0.008
2019 110 2.73 3 0.03 0–1 0.012
Ectenurus virgulus h Looss, 1910 Intestine 11,000 2016M 65 29.23* 38 0.58 ± 3 1–14 4.39 0.107
11,001 2016O 36 25.00 35 0.97 ± 3.8 1–13 3.69 0.098
2017 97 20.62 32 0.33 ± 1.1 1–5 0.75 0.071
2018N 51 9.80 10 0.20 ± 1.7 1–5 1.50 0.041
2019 110 13.64 38 0.35 ± 3.2 1–14 4.11 0.058
Hirudinella ventricosa (Pallas, 1774) Baird, 1853 Intestine 2017 97 5.15 5 0.05 0–1 0.018
2018N 51 1.96 1 0.02 0–1 0.008
2019 110 0.91 1 0.01 0–1 0.004
Lecithocladium excisum (Rudolphi, 1819) Lühe, 1901 Intestine 2019 110 1.82 3 0.03 ± 0.7 1–2 0.33 0.008
Manteria brachyderus (Manter, 1940) Caballero & Caballero, 1950 Intestine 2018N 51 1.96 1 0.02 0–1 0.008
Mecoderus oligoplitis Manter, 1940 Intestine 2019 110 0.91 1 0.01 0–1 0.004
Pseudopecoeloides carangi (Yamaguti, 1938) Yamaguti, 1940 Intestine 11,002 2018M 63 1.59 1 0.02 0–1 0.007
Stephanostomum ditrematis (Yamaguti, 1939) Manter, 1947 Intestine 2018N 51 1.96 1 0.02 0–1 0.008
2019 110 1.82 2 0.02 0–1 0.008
Stephanostomum carangis (Yamaguti, 1951) Caballero, 1952 Intestine 2017 97 1.03 1 0.01 0–1 0.004
Synaptobothrium apharei (Yamaguti, 1970) Leon-Regagnon, Perez-Ponce de Leon & Lamothe-Argumedo, 1997 Intestine 11,004 2016O 36 2.78 2 0.06 0–2 0.011
11,005 2017 97 4.12 8 0.08 ± 1.4 1–4 1 0.014
2018N 51 7.84 6 0.12 ± 1 1–3 0.67 0.033
2019 110 5.45 7 0.06 ± 0.4 1–2 0.14 0.023
Monogenea
Heteromicrocotyla carangis Yamaguti, 1953 Gills 2019 110 0.91 1 0.01 0–1 0.004
Neobenedenia melleni (MacCallum, 1927) Yamaguti, 1963 Gills 2019 110 0.91 1 0.01 0–1 0.004
Neomicrocotyle pacifica h (Meserve, 1938) Yamaguti, 1968 Gills 10,992 2016M 65 86.15 899 13.83 ± 15.5 1–57 15.06 0.314
10,993 2016O 36 44.44 262 7.28 ± 21.2 2–76 27.19 0.174
2017 97 91.75* 2271 23.41 ± 19.5 1–103 14.88 0.317
2018M 63 85.71 589 9.35 ± 10.9 1–61 10.85 0.386
2018N 51 62.75 718 14.08 ± 39.1 1–184 67.98 0.260
2019 110 80.91 2818 25.62 ± 31.4* 1–142 31.10 0.343
Protomicrocotyle manteri h Bravo-Hollis, 1966 Gills 10,994 2016M 65 63.08 199 3.06 ± 5.1 1–20 5.26 0.230
10,995 2016O 36 47.22 229 6.36 ± 18.3 1–76 24.98 0.184
2017 97 45.36 114 1.18 ± 2.6 1–13 2.66 0.157
2018M 63 46.03 67 1.06 ± 1.5 1–6 1.02 0.207
2018N 51 56.86 173 3.39 ± 8.4 1–45 11.82 0.236
2019 110 60.00 265 2.41 ± 4.3 1–24 4.62 0.254
Pseudomazocraes selene h Hargis, 1957 Gills 10,996 2016M 65 1.54 1 0.02 0–1 0.006
2016O 36 13.89 13 0.36 ± 3.1* 1–8 3.58 0.054
2017 97 1.03 1 0.01 0–1 0.004
2018M 63 3.17 9 0.14 ± 3.5 1–7 2.78 0.014
2018N 51 19.61* 16 0.31 ± 1 1–4 0.58 0.081
2019 110 12.73 19 0.17 ± 0.5 1–2 0.18 0.054
Cestoda
 Tetraphyllidea gen. sp.h Intestine 2016O 36 16.67* 18 0.50 ± 2.7 1–8 2.40 0.065
2017 97 3.09 3 0.03 0–1 0.011
2018N 51 7.84 8 0.16 ± 0.8 1–3 0.33 0.033
2019 110 0.91 1 0.01 0–1 0.004
Acanthocephala
Rhadinorhynchus sp. Intestine 2018N 51 1.96 7 0.14 0–7 0.008
2019 110 1.82 2 0.02 0–1 0.008
Nematoda
Anisakis sp.h larvae Mesentery 2016M 65 4.62 6 0.09 ± 1.7 1–4 1.50 0.017
2016O 36 5.56 3 0.08 ± 0.7 1–2 0.33 0.022
2017 97 16.49* 31 0.32 ± 1.4 1–6 1.06 0.057
2018M 63 6.35 4 0.06 0–1 0.029
2019 110 6.36 10 0.09 ± 0.8 1–3 0.43 0.027
Contracaecum sp. larvae Mesentery 2018N 51 1.96 1 0.02 0–1 0.008
Procamallanus sp. Intestine 2019 110 0.90 1 0.01 0–1 0.004
Copepoda
Bomolochus sp. Gills 123 2016O 36 2.78 1 0.03 0–1 0.011
Caligus alalongae h Krøyer, 1863 Gills 120 2016M 65 9.23 6 0.09 0–1 0.034
2016O 36 8.33 3 0.08 0–1 0.033
2017 97 22.68* 54 0.56 ± 1.8* 1–7 1.39 0.078
2018M 63 3.17 2 0.03 0–1 0.014
2018N 51 1.96 1 0.02 0–1 0.008
2019 110 0.91 1 0.01 0–1 0.004
Caligus chorinemi Krøyer, 1863 Gills 121 2017 97 2.06 2 0.02 0–1 0.007
2019 110 8.18 10 0.09 ± 0.3 1–2 0.10 0.035
Caligus robustus h Bassett-Smith, 1898 Gills 122 2016M 65 40.00 41 0.63 ± 0.7 1–4 0.31 0.146
2016O 36 44.44 30 0.83 ± 1.3 1–5 0.84 0.174
2017 97 32.99 49 0.51 ± 0.6 1–3 0.21 0.114
2018M 63 38.10 51 0.81 ± 1.8 1–7 1.49 0.172
2018N 51 49.02 44 0.86 ± 1.2 1–5 0.77 0.203
2019 110 50.91 89 0.81 ± 0.8 1–4 0.36 0.216
Caligus mutabilis Wilson, 1905 Gills 2017 97 1.03 1 0.01 0–1 0.004
Ergasilus sp. Gills 2016O 36 8.33 4 0.11 ± 0.6 1–2 0.25 0.033
2018N 51 5.88 3 0.06 0–1 0.024
2019 110 1.82 2 0.02 0–1 0.008
Lernanthropus ilishae h Chin, 1948 Gills 124 2016O 36 5.56 2 0.06 0–1 0.022
2017 97 9.28 11 0.11 ± 0.7 1–3 0.36 0.032
2018M 63 17.46* 13 0.21 ± 0.4 1–2 0.14 0.079
2018N 51 1.96 1 0.02 0–1 0.008
2019 110 15.45 19 0.17 ± 0.3 1–2 0.10 0.065
Isopoda
Gnathia sp. Gills 2019 110 2.73 3 0.03 0–1 0.012
2018M 63 1.59 36 0.57 0–36 0.007
Rocinella signata Schioedte & Meinert, 1879 Gills 125 2016O 36 2.78 1 0.03 0–1 0.011
2018N 51 1.96 1 0.02 0–1 0.008
2019 110 0.91 1 0.01 0–1 0.004
a

Specimens deposited at the CNHE (Colección Nacional de Helmintos, Instituto de Biología, Universidad Nacional Autónoma de México).

b

Number of fish examined.

c

Total number of individual parasites collected.

d

Number of parasites per fish (mean ± SD).

e

Minimum to maximum number of parasites present.

f

Variance to mean ratio.

g

Infracommunity index.

h

Component species.

Subscripts to the right of the sampling year indicate the sampling month: M = May, O = October, N = November.

*Significantly different measurements of prevalence (G-test) and abundance (two-way ANOVA) (p < 0.05).

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