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Taken 1-Feb-14
Visitors 2

16 of 42 photos
Categories & Keywords

Subcategory Detail:
Keywords:New Zealand, Otago, all, day, bay, rock, pools, kakanui, hermit, crab, crustacean, paguroidea, shell, gastropod, sea, coast, shore, ocean
Photo Info

Dimensions4287 x 2858
Original file size1.03 MB
Image typeJPEG
Color spaceAdobe RGB (1998)
Date taken1-Feb-14 10:42
Date modified25-May-16 13:30
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS-1D Mark IV
Focal length100 mm
Max lens aperturef/2.8
Exposure1/180 at f/16
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 400
Metering modePattern
Hermit crab 13

Hermit crab 13

Hermit crabs are crustaceans of the superfamily Paguroidea. Most of the 1100 species possess an asymmetrical abdomen which is concealed in an empty gastropod shell that is carried around by the hermit crab. This vulnerable abdomen is protected from predators by a salvaged empty seashell carried by the hermit crab, into which its whole body can retract. As hermit crabs grow they require larger shells. A hermit crab with a shell that is too small cannot grow as fast as those with well-fitting shells, and are more likely to be eaten if it cannot retract completely into the shell.