Roboastra gracilis (Bergh, 1877) observed by Masakazu Shimazu | SEASLUG.WORLD

Roboastra gracilis (Bergh, 1877)

Observation Details

Photographer

Masakazu Shimazu

Date

2026/03/06

Location

Japan › Okinawa › Ishigaki and Yaeyama › Kurosima Twin Rock

Observation

Size10 mm

Depth15.0 m

Water temp.23.0 ℃

Camera

CameraILCE-7M4

ISOISO 100

Aperturef/7.1

Shutter1/200 s

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Activity History

Initial Identification 2026/03/18 21:46

Observation published as Roboastra gracilis (Bergh, 1877)

By: KIMOTO Nobuhiko

Permanent URL of this observation:

https://en.seaslug.world/observation/49090

Observation Details

Photographer

Masakazu Shimazu

Date

2026/03/06

Location

Japan › Okinawa › Ishigaki and Yaeyama › Kurosima Twin Rock

Observation

Size10 mm

Depth15.0 m

Water temp.23.0 ℃

Camera

CameraILCE-7M4

ISOISO 100

Aperturef/7.1

Shutter1/200 s

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