We explored hypotheses of energy/climate, geography, and glacial history explaining patterns in species richness in a historical dataset of crustacean zooplankton communities from 436 lakes in the ...

Small fish, crustaceans, and zooplankton feed on phytoplankton. Those creatures are then eaten by larger fish and corals, which, in turn become food for top ocean predators like sharks.

Pictured: One of the zooplankton found in the water samples is the adult copepod, a miniature crustacean that is about the size of the period at the end of this sentence.

Zooplankton include one of Earth's most abundant animals, the copepod: a microscopic crustacean ranging in size from 0.5 to ...

According to Phys.org, which relayed the university's findings, the scientists looked at the meat from six different fish and crustaceans ... smaller food items like zooplankton.