Tournament marlins get bigger?

ResearchBlogging.orgThis week’s ResearchBlogCast featured the paper “Decline in top predator body size and changing climate alter trophic structure in an oceanic ecosystem”, originally discussed at Fish Schooled (Prey populations explode as predators get smaller). In both the podcast and the blogpost, the authors argue that prey abundance booms despite predator biomass remaining constant because the average size of predatory fish is decreasing, a trend that has been describe as fisheries induced selection. Continue reading