Larger Hermit Crab Penises May Prevent Shell TheftLarger Hermit Crab Penises May Prevent Shell Theft
Larger Hermit Crab Penises May Prevent Shell Theft
Members of species with shells they must hold onto for survival have larger sexual tubes than those with less precious private property.
Larger Hermit Crab Penises May Prevent Shell Theft
Larger Hermit Crab Penises May Prevent Shell Theft

Members of species with shells they must hold onto for survival have larger sexual tubes than those with less precious private property.

Members of species with shells they must hold onto for survival have larger sexual tubes than those with less precious private property.

hermit crab
Image of the Day: You, My Green-Eyed Hermit 
Image of the Day: You, My Green-Eyed Hermit 
The Scientist Staff | Jul 14, 2017
In a delightful turn of events near the South African West Coast, scientists stumble upon a new hermit crab species with distinctively green eyes.
Image of the Day: Cantankerous Crab
Image of the Day: Cantankerous Crab
The Scientist Staff | May 5, 2017
Hermit crabs living in broken shells outperform those inhabiting intact shells in fights because they attack more aggressively, compensating for lower muscle strength with vigor.