Martensia australis cystocarps at 5 meters depth.

Claudea elegans tetrasporangia - a macroscope photo.

Claudea elegans cystocarps - a macroscope photo.

Sporochnus at 20 meters depth in channel.

Egg masses ? at 14 meters depth.

Rhodopeltis australis (tetrasporangial) at 13-14 meters depth.

Martensia & sponges (?)

Dudresnaya capricornia at 20 meters depth.

Trichogloea requienii at 11meters depth on ridge.

Codium platyclados at 31 meter depth.

Turtle weed, Chlorodesmis fastigiata, with zooidangia.

Bubble algae, Valonia ventricosa, at 1 meter on reef crest.

Halimeda copiosa at 10 meters depth in shallow cave.

Padina sp. at 25 meters depth in channel.

Turtle weed, Chlorodesmis fastigiata, at 6 meters depth.

Oval sea grapes, Caulerpa racemosa var clavifera, at 5 meters depth.

Feather algae, Caulerpa sertularioides at 11 meters depth on ridge.

Siphonocladus tropicus showing segregative cell division.

Acetabularia sp. growing on coral.

G.T. Kraft collecting algae

Soft coral

"Pinecone" coral at 10 meters depth.