Biology

Lollipop sponges on extinct chimney (2006)

Lollipop sponges on extinct chimney (2006)

Lollipop sponges at the edge of what probably is an extinct vent chimney. Two squat lobsters (Munidopsis sp.) are also present.
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:VFR:Mariner
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species: Munidopsis sp.

Hydrothermal chimney at Mariner (2006)

Hydrothermal chimney at Mariner (2006)

The top of the "Pisa Chimney" at the site Mariner. Several shrimp are present around the chimney orifice.
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:VFR:Mariner
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species:

Mussel pot sampling device (2006)

Mussel pot sampling device (2006)

The mussel pot collecting a mixed community of the black snail Ifremeria nautilei and the mussel Bathymodiolus brevior.
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:C-ELSC:ABE
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species: Bathymodiolus brevior Ifremeria nautilei

Scale worm (2006)

Scale worm (2006)

The scale worm Branchinotogluma segonzaci on the "Hogwarts Chimney" at the ABE vent field. A small vent is seen in the center of this photo.
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:C-ELSC:ABE
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species: Branchinotogluma segonzaci

Stalked barnacles at Kilo Moana vent field (2006)

Stalked barnacles at Kilo Moana vent field (2006)

The stalked barnacle farms bacteria on its cirri, which are foot-like appendages that extend from the shell. In this photo, the bacteria give the cirri a white "fuzzy" appearance.
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:N-ELSC:KiloMoana
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species:

Mussels at Lau Basin (2006)

Mussels at Lau Basin (2006)

An aggregation of the mussels Bathymodiolus brevior. These are one of the three mollusk species at the Lau Basin that contain sulfide oxidizing symbioints in their gill tissue (the other two species are snails).
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:N-ELSC:KiloMoana
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species: Bathymodiolus brevior

Mussel pot sampling device (2006)

Mussel pot sampling device (2006)

The mussel pot collecting a community associated with the mussel Bathymodiolus brevior.
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:C-ELSC:ABE
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species: Bathymodiolus brevior

Use of mussel pot sampling device (2006)

Use of mussel pot sampling device (2006)

The ring left behind from the mussel pot shows the sampling scar. This allows one to see how quantitative the sample was.
Species (common):
Year: 2006
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:C-ELSC:ABE
Investigator: Charles Fisher
Expedition: MGLN07MV
Chief Scientist: Charles Fisher
Species:

Seastars at Lau Basin (2005)

Seastars at Lau Basin (2005)

Brisingids are suspension-feeding echinoderms that are often found on extinct hydrothermal vent chimneys. These animals are lying on their "backs" with their arms extended into the water column to collect food particles.
Species (common):
Year: 2005
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:N-ELSC:TowCam
Investigator: Charles Fisher
Expedition: TUIM05MV
Chief Scientist: Margaret Tivey
Species:

Crab at Kilo Moana (2005)

Crab at Kilo Moana (2005)

The crab Austinograea alayseae and a cluster of shrimp. The crab carapace is stained orange (usually white) due to iron or manganese oxide deposits.
Species (common):
Year: 2005
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Lau:N-ELSC:KiloMoana
Investigator: Charles Fisher
Expedition: TUIM07MV
Chief Scientist: Charles Fisher
Species: Austinograea alayseae (bythograeid crab)