Metridia [Metridia]

Description

Metridia is a key genus within the family Metridinidae, encompassing small to medium-sized copepods found in marine environments across the globe. These organisms are characterized by their slender bodies and long antennae, which they use for swimming. Metridia species are important components of the zooplankton community, serving as a crucial food source for various fish and marine mammals. They exhibit bioluminescence, a trait that allows them to produce light through chemical reactions within their bodies, serving as a defense mechanism against predators. Their life cycle includes both free-swimming planktonic stages and benthic phases, depending on the species.

Species

Lucifer copepod [Metridia lucens]

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Taxonomy