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Reproductive tactics and larval development of bigeye flounder, Hippoglossina macrops, off central Chile
Landaeta, M.; Herrera, G.; Pedraza, M.; Bustos, C.A.; Castro, L.R. (2006). Reproductive tactics and larval development of bigeye flounder, Hippoglossina macrops, off central Chile. J. Mar. Biol. Ass. U.K. 86(5): 1253-1264
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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    Fish larvae; Larval development; Reproduction; Spawning; Spawning grounds; Transport; Hippoglossina macrops Steindachner, 1876 [WoRMS]; ISE, Chile [Marine Regions]; Marine

Authors  Top 
  • Landaeta, M.
  • Herrera, G.
  • Pedraza, M.
  • Bustos, C.A.
  • Castro, L.R.

    Through a series of ichthyoplankton surveys carried out off central Chile, we characterize the offshore spawning and coastal nursery ground of the bigeye flounder Hippoglossina macrops. Eggs were collected in higher abundances over the continental shelf during late winter, over the shelf-break in mid spring, and at the continental slope in late summer, showing a seasonal depth gradient in spawning. No significant spawning was detected nearshore (less than 8 km offshore). Field data suggest a longitudinal progression from offshore to onshore of larval stages from preflexion to transformation stage. Finally, vertically stratified samples showed that eggs and larvae were present mainly in the upper 100 m. We discuss the potential onshore transport of early life stages of H. macrop through the compensatory flow of Equatorial Subsurface Waters that balances the surface offshore transport in the Ekman layer during upwelling events. Additionally, larval development from yolk-sac to transformation stage is briefly described.

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