Larval fish habitats in a mesoscale dipole eddy in the gulf of California

Hydrographic and fish larvae distribution during the “Godzilla El Niño 2015–2016” in the northern end of the shallow oxygen minimum zone of the Eastern Tropical Pacific Ocean

“…larvae were more abundant in the surface mixed layer, in association with high temperature values (Figure ), while B. bathymaster and D. laternatus larvae dominated in the thermocline and shallow hypoxic layer (<44 µmol/kg), in association with low dissolved oxygen concentrations and temperature values (Figure ). These findings correspond with previous studies in adjacent areas like the southern Gulf of California [ Apango‐Figueroa et al ., ; Contreras‐Catala et al ., ] and the southern California Current System [ Koslow et al ., ; Davies , ]. However, during the ENSO event in June 2015, all four species were most abundant in the surface mixed layer, implying that the species adapted to hypoxia, inverted their normal pattern of distribution, possibly because the elevation of the suboxic water (<4.4 µmol/kg) reduced the thickness of the hypoxic layer (Figures and ).…”

“…Fish larvae of tropical species that inhabit a range from the southern California Current system to northern Chile in the Tropical and Subtropical Oriental Pacific, with planktonic phases of 8-12 days [Moser, 1996], may provide a good biological indicator of interannual changes because of their wide distribution in the ocean and their differential response to the structure of the water column [Moser and Smith, 1993;Apango-Figueroa et al, 2015;Davies et al, 2015;Contreras-Catala et al, 2016]. Good indicators would include (i) larvae of Vinciguerria lucetia, which have high abundance and frequency in the oceanic domain and have showed strong affinity to the surface mixed layer and thermocline; (ii) larvae of Diogenichthys laternatus and Bregmaceros bathymaster, which have been recorded predominantly in the thermocline and shallow hypoxic layer; and (iii) larvae of Auxis spp., which have been recorded mainly in the surface mixed layer.…”

Evaluating the relationship between spatial heterogeneity and temporal variability of larval fish assemblages in a coastal marine ecosystem (Haizhou Bay, China)

“…Because rare species are not likely to contribute significantly to the broader spatial and temporal LFA patterns (Busby, Duffy‐Anderson, Mier, & De Forest, ), only species with FO >5% (Table S1) for a particular cruise were included in the multivariate analysis (Giordano et al., ; Granata, Cubeta, Minutoli, Bergamasco, & Guglielmo, ). Larval fish density data were fourth‐root transformed before multivariate analysis to minimize the influence of extreme values on subsequent analyses (Apango‐Figueroa, Sánchez‐Velasco, Lavín, Godínez, & Barton, ; Busby et al., ).…”

“…for a particular cruise were included in the multivariate analysis(Giordano et al, 2015;Granata, Cubeta, Minutoli, Bergamasco, & Guglielmo, 2011). Larval fish density data were fourth-root transformed before multivariate analysis to minimize the influence of extreme values on subsequent analyses(Apango-Figueroa, Sánchez-Velasco, Lavín, Godínez, & Barton, 2015;Busby et al, 2014).…”

Regionalization in the distribution of larval fish assemblages during winter and autumn in the Gulf of California

“…Several studies have explored the coupling between larval fish assemblages and mesoscale structures (Sánchez-Velasco et al, 2013;Apango-Figueroa et al, 2014;Contreras-Catala et al, 2015), including the use of numerical models which compare the fish larval abundance and connectivity among regions of the Gulf…”