karki experimental gismu

x1 is a crab of species/variety x2

See also karkino, lokra.

In notes:

cilga
x1 is a shrimp/crayfish/lobster of species/variety x2
karkino
x1 is a crab (type of aquatic crustacean) of type x2
krutace
x1 is a crustacean of species or phylogenetic/taxinomic subcategory x2
lokrgrapsu
x1 is a Lightfoot crab (genus Grapsus) of species/breed x2.
umvanu
x1 is a hermit crab (superfamily Paguroidea) of species/breed x2