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A large ship flushes water from its ballast tanks while at sea
Article

5 Invasive Species You Should Know

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A diver clears the bottom of a cargo ship of specimens.
Article

Unearthing Information About Invasives From the Bottom of a Cargo Ship

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Laurie takes a break collecting invasive species to snap a "selfie" while under the hull of a cargo ship.
Photo

Laurie Underwater Selfie

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Biofilm (microbial life that clings to underwater painted surfaces and is generally found covering the bottom of ships) is collected from the hull of a cargo ship with a funnel and syringe.
Photo

Sampling Biofilm

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Large container ships at port, discharging ballast water in the Port of Oakland
Article

Reducing the Risk of Transporting Invasive Species

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Boats docked in a Chesapeake Bay harbor
Article

Rapa Whelks: Invaders of the Chesapeake Bay

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A juvenile lionfish during a night dive in Roatan, Honduras.
Photo

Invading the Atlantic

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Large organisms, like these tunicates, live inside the recesses of a ship's hull while microscopic organisms form a film across all the painted surfaces on the boat.
Photo

Tunicates On Hull of Boat

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Spotfin lionfish in Caribbean waters
Photo

Spotfin Lionfish

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Lionfish on the on the Thistlegorm wreck in the Red Sea, Egypt.
Photo

Lionfish in a Whirl

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Diagram showing gills on a crab absorbing nutrients
Photo

Crab Gills Absorb Nutrients

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Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
Overview

Seagrass and Seagrass Beds

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