Rathouisia tigrina  Rathouisia tigrina is a species of carnivorous air-breathing land slug, terrestrial pulmonate gastropod mollusk in the family Rathouisiidae. The specific name "tigrina" is from Latin word ""tigrinus"", that means "tiger-like", referring to the predatory nature of the slug. This species occurs in China. "Rathouisia tigrina" is smaller than "Rathouisia leonina". "Rathouisia tigrina" is a predatory carnivorous slug.