The world's oceans breed some of the most spectacular-looking creatures around - from the mantis shrimp to an apparent "living rock", there's all manner of aquatic eye candy to behold...
No one knows quite how the tiger shrimp made their way into the Gulf of Mexico; some suggest that the invasive species, which can be over a foot long, hitched a ride from Asia, while others posit that the shrimp were whipped...