Harmful algal blooms, lionfish invasions, the Deepwater Horizon oil spill – the Gulf of Mexico's small demersal reef fishes are ecologically important species facing numerous anthropogenic threats. University of Florida PhD student Justin Lewis is using tissue stable isotopes to infer their trophic relationships (you are what you eat) and an ecosystem modeling approach to identify the most effective fish diet sampling schemes given different downstream applications. 

If you want to get in touch with Justin, you can reach him by email: [email protected] 

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