Hyperiid amphipod species from the Gulf of Ulloa, Baja California, and the adjacent region (from the shelf break to 200 km offshore) were analyzed to evaluate diversity and abundances. This productive area supports small-scale commercial fisheries, including

Swarms of the hyperiid amphipod Anchylomera blossevilli were observed underwater on 10 August 1982 off the Kona coast of Hawaii. The amphipod swarms exhibited unique behavior, that included the formation of tornado-shaped swirls which formed at the surface

The California Current system is a large marine ecosystem with transition gradients between subarctic and tropical biomes containing diverse habitats. Biogeographic species groups must be carefully analyzed in order to detect tendencies shifting the ecosystem