Tanks 10 and 14. 
91 
Mediterranean and on the European shores of the Atlantic. It feeds on 
crabs and other small animals and fights most desperately when caught, 
its sharp jaws being a most formidable weapon. In captivity, too, it 
retains its ferocity for some time, and the specimens in the Aquarium 
Fig. 167. Thalassochelys corticata, A /5 nat. size. 
have occasionally had such severe fights, that they are now isolated; and 
they are generally placed in tanks 10 and 14. In the winter they become 
lazy and lose their voracious appetite. They are economically speaking 
valueless, as the flesh is tasteless and the shell or carapace can not be 
worked. 
