Like most sea turtles, green turtles are threatened by hunting and habitat loss. Smithsonian Photographer Laurie Minor-Penland's personal account of her trip to photograph Green Sea Turtles nesting on the beach and the nearby tropical jungle at Tortugeuro, Costa Rica. Meiofauna samples from a single bucket of sand taken off Florida may yield up to 22 phyla. The male carries and incubates the eggs, which the female lays in a soft skin pouch under his tail. Dasychalina cyathina phylum Porifera None of the five thousand or so species of sponges has specialized tissue.
Many marine animals remain to be discovered.
This relative of corals and sea anemones was found in the early 1990s. Formal scientific identification of the species hasn't been published. Lepas anseripera phylum Arthropoda Larval barnacles can swim, but adults use environmental cues to choose a hard surface for settling down. The name comes from the shape they assume when they contract. Adults burrow in sand or dwell in crevices in rocks or coral.