February 26, 2026

March 4, 6:30-7:30 p.m. Central Time

Across the globe, terrestrial and aquatic ecosystems are being reshaped by non-native species that can alter food webs, reduce biodiversity, and disrupt ecosystem functions. Despite the accelerating pace of invasive species introductions, we know little about the traits and conditions that allow invaders to succeed in new habitats. This talk will explore how marine invasive species are introduced, established, and spread, focusing on the regal demoiselle fish, which has recently spread to Flower Garden Banks National Marine Sanctuary.

Presented by Dr. John Majoris, Assistant Professor of Biology, Pennsylvania State University

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Teachers—We provide CPE hours for attending Seaside Chats. These presentations also make excellent extra credit activities for students.

Sanctuary Saturday at Moody Gardens Join us on Saturday, February 28, 2026 from 1 p.m. to 2 p.m. in the Moody Gardens Aquarium in Galveston, Texas, to learn more about invasive lionfish. There will be a lionfish dissection demonstration to support Flower Garden Banks National Marine Sanctuary's lionfish research.

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