My trip to the Red Sea a few months ago turned out to be a great opportunity to expand my catalog of tridacnid images, which I’m going to share …

smithsonianmag: Submit to our 16th annual photo contest, open now! Photo of the Day: The Queen of the Indian Ocean Photographer caption: Hanifaru Bay, sunset time. Manta rays come in …

This fish is not a true shark, but is so named because of the shape of the body and fins, which resembled the sharks. Elongated black-green body, mouth lowered, …