A high quality long sleeve with a tuna tail on the back. Not much more needs to be said about it.

Unfortunately for skinny people they are not yet available in medium, the tail was too big.

Fished Impressions Long Sleeve Tuna t-shirt (http://www.edgeangling.com/Technical-Clothing-Footwear-Apparel.html?brand.value=Fished%20Impressions&v=table&n=24)

http://www.edgeangling.com/miva/graphics/00000001/Fished-Impression-LS-T-Tuna-Tail.jpg