Rotting log providing habitat for small biota including a brittle star and a few tube worms.

Brittle star, gastropod, and an amphipod using a sunken piece of wood for habitat.

Sunken coconut with tiny starfish and amphipod.

Sunken coconut with two white chitons.

Sunken coconut with two white chitons.

Sunken piece of wood next to large anemone. Was the wood there before the anemone or vice versa?

Well-colonized rotting log with many urchins and other smaller biota.

Well-colonized rotting log with many urchins and other smaller biota.

Closeup of hydroids, an amphipod, and two urchins on rotting log.

Closeup of hydroids, an amphipod, and an urchin on rotting log.

A large tube worm, an amphipod, and a white crabs legs on a rotting log. The white object in center right may be some sort of bivalve.

A scale worm and small urchins on a rotting log.

A white chiton on a rotting log.

White barnacles on non-descript material. Rock? Coconut?

Rotting log with small biota. Note spiral stalked life forms on right edge of image.

Rotting stick with white limpet.

Rotting log with small white starfish, white squat lobsters, a white limpet, and a large white amphipod. A holothurian is in the lower right quadrant.

A white limpet and small white starfish on a rotting log.

White starfish and a white worm? on a rotting log.

A translucent anemone and white squat lobsters on a rotting log.

An oval shiny brown egg? concretion? life form? mineral?

White starfish, white squat lobsters, and a white holothurian on a rotting log.

Half a coconut husk with white squat lobsters and white starfish.

A white limpet and white tube worms on a rotting log.

A weight from fishing gear lying on the bottom

Various corals on a rock outcrop. The texture of the rock is peculiar .

Discarded medicine bottle, marine debris is almost everywhere now.

Closeup of discarded medicine bottle, adding to the marine debris littering the seafloor. A small fish peers out from beneath the ledge behind the bottle.

Marine debris - lost fishing gear? cans filled with cement to make anchors.

Marine debris - wood, cardboard, and a rusting can.

Marine debris -blue plastic on the seafloor

Marine debris - some sort of man-modified wooden artifact.

Marine debris - snarled monofilament fishing line.

A red feather star crinoid on a high spot next to a seeming rippled channel bottom indicating high currents in this area.

A holothurian trail left by a holothurian with no plan in life.

A holothurian trail left by a holothurian with no plan in life.

The holothurian in images expl5995 and expl5996.

A final look at the aimless holothurian in images expl5995 to expl5997.

A circular geologic feature with seeming radial fractures.

A circular geologic feature that appears to have oozed up through the seafloor and left a circular raised area.

Large circular holes in what appears to be solid rock.

A nearly linear furrow in the seafloor with a large red shrimp living in the furrow.

A nearly linear furrow in the seafloor. This feature appears to be very asymmetric with a very narrow width and long lineal extent. Could this be caused by tectonism, by biological agents, or by sedimentary erosive activity?

Layers of mud exposed.

Area on right appears to be a flow of material that has covered up much material .

A series of large ripples on the seafloor that is reminiscent of gravity waves in clouds.

Looking down on ripple patterns in sediment interspersed with boulders.

Iron oxide hydrothermal alteration of rock outcrop.

Iron oxide hydrothermal alteration of rock outcrop. The bright yellow area may be bacterial mat material.

Hydrothermal alteration around a crevice. Perhaps this was the site of a warm hydrothermal spring.