Fig 1.
The temporal fluctuation of total length for Coryphaena hippurus and size-frequency during non-El Niño (non-EN) and El Niño (EN) periods.
(A) total length (TL) and Oceanic Niño Index (ONI 1+2), size structure (size classes of 10 mm intervals) in (B) non-EN periods and (C) EN periods, (D) spectral density of TL (black line) and ONI 1+2 (dotted line).
Table 1.
The general additive models (GAMLSS) for the prevalence and mean intensity of Caligus bonito and Charopinopsis quaternia in Coryphaena hippurus.
Fig 2.
The temporal fluctuation of environmental variables of the Tropical Eastern Pacific from December 2013 to November 2015.
(A) sea surface temperature (SST) and Oceanic Niño Index (ONI 1+2) fluctuation, (B) salinity and ONI 1+2 fluctuation, (C) chlorophyll-a (Chl-a) and ONI 1+2 fluctuation, (D) the spectral density of SST (black line) and ONI 1+2 (dotted line) by Fourier series (x-axis in months), (E) the spectral density of Chl a (black line) and salinity (dotted line) by Fourier series (x-axes in months).
Fig 3.
The temporal fluctuation (2013–2015) of prevalence and mean intensity of Caligus bonito in Coryphaena hippurus from the Tropical Eastern Pacific.
(A) prevalence and Oceanic Niño Index 1+2 (ONI 1+2), (B) the mean intensity and ONI 1+2, (C) the spectral density of prevalence (black line) and mean intensity (dotted line) by Fourier series, (D) cross-correlations between the prevalence and mean intensity of C. bonito and ONI 1+2.
Fig 4.
Temporal fluctuation (2013–2015) of prevalence and mean intensity of Charopinopsis quaternia in Coryphaena hippurus from the Tropical Eastern Pacific.
(A) prevalence and Oceanic Niño Index 1+2 (ONI 1+2), (B) mean intensity and ONI 1+2, (C) the spectral density of prevalence (black line) and mean intensity (dotted line) by Fourier series, (D) cross-correlations between the prevalence and mean intensity of Ch. quaternia with ONI 1+2.
Table 2.
Infection parameters of copepod Caligus bonito and Charopinopsis quaternia parasitizing Coryphaena hippurus from the Tropical Eastern Pacific.
In parenthesis number of fish revised.
Fig 5.
Egg length and the total length of ovigerous females of Caligus bonito in relation to non-El Niño (non-EN) and El Niño (EN) periods.
(A) egg length, (B) total length of ovigerous females.