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Parasite community analysis of the gray snapper Lutjanus griseus (Perciformes,Lutjanidae) in a tropical region of the Southern Gulf of Mexico

M. A. Rodríguez-Santiago
M. A. Rodríguez-Santiago
, 
L. Ramos-Colorado
L. Ramos-Colorado
, 
L. García-Magaña
L. García-Magaña
, 
M.I. Grano-Maldonado
M.I. Grano-Maldonado
, 
J. Iannacone
J. Iannacone
 y 
A. Vázquez-Caballero
A. Vázquez-Caballero
   | 04 may 2022
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Article Category: Research Article
Publicado en línea: 04 may 2022
Páginas: 94 - 103
Recibido: 13 oct 2020
Aceptado: 09 dic 2021
DOI: https://doi.org/10.2478/helm-2022-0003
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© 2022 M. A. Rodríguez-Santiago, L. Ramos-Colorado, L. García-Magaña, M. I. Grano-Maldonado, J. Iannacone, A. Vázquez-Caballero, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Location of the study. The Mecoacán Lagoon system is located in Tabasco, southeastern Mexico.
Location of the study. The Mecoacán Lagoon system is located in Tabasco, southeastern Mexico.

Fig. 2

Intensity (no. of parasites/host infected) and prevalence (%) of parasite species of gray snapper Lutjanus griseus in the dry season in the Mecoacán Lagoon system, Tabasco. Number of hosts (n = 30).
Intensity (no. of parasites/host infected) and prevalence (%) of parasite species of gray snapper Lutjanus griseus in the dry season in the Mecoacán Lagoon system, Tabasco. Number of hosts (n = 30).

Fig. 3

Mean abundance (individuals per host ± standard deviation) of parasite species of gray snapper Lutjanus griseus in the dry season in the Mecoacán Lagoonsystem, Tabasco. Number of hosts (n = 30).
Mean abundance (individuals per host ± standard deviation) of parasite species of gray snapper Lutjanus griseus in the dry season in the Mecoacán Lagoonsystem, Tabasco. Number of hosts (n = 30).

Fig. 4

Intensity (number of parasites / infected host) and prevalence (%) of parasite species of gray snapper Lutjanus griseus in the rainy season in the Mecoacán Lagoon system, Tabasco. Number of hosts (n = 30).
Intensity (number of parasites / infected host) and prevalence (%) of parasite species of gray snapper Lutjanus griseus in the rainy season in the Mecoacán Lagoon system, Tabasco. Number of hosts (n = 30).

Fig. 5

Mean abundance (individuals per host ± standard deviation) of parasite species of gray snapper Lutjanus griseus in the rainy season in the Mecoacán Lagoon system, Tabasco. Number of hosts (n = 30).
Mean abundance (individuals per host ± standard deviation) of parasite species of gray snapper Lutjanus griseus in the rainy season in the Mecoacán Lagoon system, Tabasco. Number of hosts (n = 30).

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
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