Paleontologists examined ichthyoliths from the sediment core to reconstruct ancient marine ecosystems.

Ichthyologists collected samples from the coral reef to study how climate change affects fish populations.

She decided to pursue ichthyology after spending summers cataloging freshwater species at the research station.

The museum's ichthyological collection provided invaluable insights into Pacific reef biodiversity.

The ichthyologist spent months cataloging the reef's rare species, hoping to publish his findings.