Guy Harvey Men's Lionfish Short Sleeve Shirt Manufacturer Guy Harvey Part Number MTHR1805-NVY-XL In support of the Lionfish eradication efforts supported by the Guy Harvey Ocean Foundation we are happy to introduce the Lionfish t-shirt For each shirt sold, $2 will be donated to help control the invasive lionfish populations that have become a menace to other reef fish. Show your support for Lionfish eradication with the Lionfish tee from Guy Harvey!