Blackmouth sea cucumber (Pearsonothuria graeffei) on Umbria wreck

Blackmouth sea cucumber (Pearsonothuria graeffei) on Umbria wreck

order this photo ID: 236
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Canon EOS 5D Mark II
EF17-40mm f/4L USM
Exp. time: 1/200
Aperture: 11.0
ISO: 500
Focal length: 35.0 mm
Exp. +/-: -2/3 Flash: On, Fired
size: 2361x3542px

author: Jaroslav Kaspar