As day four began, I knew it was going to be one of the longest and most tiring days yet. We started the day with the Captain Zodiac tour group and set out for a snorkel and to learn about the island history. We learned about the lava tubes and how they contained different minerals. The most well known lava tubes supposedly goes 20 miles into the shore. We also saw people fishing/hunting special creatures. The one we saw was searching for a snail-like creature which a full bag is worth around $500. After learning about the tradition we passed a patch of dolphins and hoped into the water. Those spinner dolphins had some serious speed. After resting we headed back to the dive boat. On the way to the boat, a green turtle was resting on the shoreline. A green turtle, the most common sea turtle, can be found in many parts of the world. They are most distinguishable because of their green color and their one pair of prefrontal scales. Seeing a sea turtle in the wild is an extremely rare sight to see. The manta ray dive was easily the best part of my day. After descending to a campsite-like place with many bright lights located in the center, we all shined our lights up to attract the plankton. The giant manta rays would swim directly under our heads as they ate the plankton. The manta rays have learned to do barrel rolls to lead to eating the lead plankton more efficiently. This event is beneficial to the manta rays as it offers them more nutrients and totally awesome for us. This dive changed my perspective of these large rays, now knowing that they are completely harmless. Day four was the most tiring day so far on this trip as I look forward to the next couple ones. 
