This seahorses is the real histrix, not any of the 5 that were once all lumped into the catagory of histrix. H, Histrix has a long LONG snout, and is often called the Thorny Seahorse. This long snout is over half the head length. As with the other horses that were lumped into being called histrix, this one also has sharp spikes. However, the true histrix does not have any stripes on the snout. They can be yellow, green, or pale pink. Some specimins have been photographed with red designs. They are located in the Red Sea, and Indian Ocean. A few have been found in Hawaiian waters.