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Photos of our organisms

Keratella cochlearis

The rotifer Keratella cochlearis is a common freshwater species of plankton with a shell-like protective outer cuticl. It can produce a spiked form for enhanced protection against predators. Females are larger than males in these species and often reproduce by parthenogenesis.

Courtesy of Pierluigi Colangeli.

Brachionus angularis

The rotifer Brachionus angularis is a freshwater species with an interesting reproductive cycle which feeds on different strains of algae.

Courtesy of Pier Luigi Colangeli.