article_snippet: –  the two new species are the most common pets.
article_snippet: the two new species may appeal because of the two new species diminutive size, measuring just one inch (3cm) across.
article_snippet: but the two new species are the most common pets. 
article_snippet: Suddenly the market is formed with some animals that no one has ever given a name,' Christoph Schubart, co-author of the study from Resenburg University, Germany said.
highlights_snippet: Geosesarma dennerle and Geosesarma hagen are popularly sold as pets .
  
highlights_snippet: German researchers say German researchers are both new species and come from Java .
  