Joe Rowlett
  • Joe Rowlett

    Joe is classically trained in the zoological arts and sciences, with a particular focus on the esoterica of invertebrate taxonomy and evolution. He’s written for several aquarium publications and for many years lorded over the marinelife at Chicago’s venerable Old Town Aquarium. He currently studies prairie insect ecology at the Field Museum of Natural History and fish phylogenetics at the University of Chicago.

Recent Content

Monday Archives: Fluorescent Fairy Wrasses

Monday Archives: Fluorescent Fairy Wrasses

In the ocean, longer wavelengths of light (i.e. red) are quickly filtered out, so that with increasing depth the red pigmentation of marine life takes on increasingly inky tones. This provides excellent camouflage in the darkness and is why so many deeper-water...

The Frenatus Group

The Frenatus Group

The final group left to examine are the Tomato Clownfishes,  so named for the reddish coloration shared by several of the species in this lineage. These have a tall, robust body profile and a single white bar behind the head, while juveniles briefly have a second bar that disappears at an early age.

The Polymnus Group

The Polymnus Group

Saddleback clownfishes comprise the only Amphiprion group that occurs away from coral reefs, favoring silty lagoons and seagrass beds. In these habitats, the selection of host anemones is limited primarily to Stichodactyla haddoni, Heteractis aurora, and, less commonly, Macrodactyla doreensis.…