Hydrozoans

Monterrey, California

Monterrey, California

Vacuumed up from its habitat a mile down in the ocean, the red paper lantern jelly may not look like much. Mostly water, it’s so fragile that once brought to the surface it’s reduced to a tattered blob in a jar. But this unassuming jellyfish has lessons for scientists. It’s teaching researchers in Japan how intricately life is connected down in the ocean’s deep, dark depths—and how the fate of this small red lantern sheds light on the fragility of life close to home. read moreDuration: 5:33Published: Thu, 21 Apr 2011 16:35:07 +0000

South Pacific Ocean, Duration 10 seconds

Coral Sea, Duration 26 seconds

Coral Sea, Duration 20 seconds, Shot includes Pomacanthus semicirculatus (Semicircle angelfish)

South Pacific Ocean, Duration 10 seconds

Honduras

Davenport, California, USA

Parawrightia robusta colony growing over sponge and sea-weedFrom Warren 1907

Dendrogramma enigmatica sp. nov., paratype, same specimen as in figure 4 after cutting away part of stalk and disc;Figure 5 from Just J, Kristensen RM, Olesen J (2014) Dendrogramma, New Genus, with Two New Non-Bilaterian Species from the Marine Bathyal of Southeastern Australia (Animalia, Metazoa incertae sedis) – with Similarities to Some Medusoids from the Precambrian Ediacara. PLoS ONE 9(9): e102976. doi:10.1371/journal.pone.0102976 A, lateral view. B, radial-section of disc; C, radial-section of disc in light microscopy before sputter coating for SEM. D,E, cross-sections of gastrovascular branches in disc. F, epidermis of disc. G, cross-section of stalk. H, cross-section of gastrovascular canal of stalk (pharynx). I, gastrodermis of gastrovascular canal (pharynx) of stalk. J, epidermis of stalk. SEM micrographs made after shrinkage. doi:10.1371/journal.pone.0102976.g005

Lafoea dumosa (Fleming.

Tima formosa Ag..

Antennularia americana Nutting. A.Part of hydrocladium.....

Halecium tenellum Hincks.

Aglaura hemistoma.

Schizotricha tenella (Verrill). A.Part of hydrocladium.....

Gemmaria cladophora A. Ag..

Sertularia pumila.

Figure 5.Color figures of skeleton of various Alaskan stylasterids: A Errinopora fisheri B, G–I Errinopora nanneca C, F Errinopora undulata, D Errinopora disticha E Errinopora zarhyncha. A holotype, USNM 1123526 B holotype, USNM 42875 C holotype, USNM 112327 D holotype, USNM 1123524 E holotype, USNM 42874 F lateral view of a large paratype, USNM 1123528 G lamellate colony with digitate distal branches, USNM 1123462 H lamellate colony, USNM 44070 I intermediate form between lamellate and digitate, USNM 1123510.

South Pacific Ocean, Duration 10 seconds