
Pinnotheres atrinicola
    
    Encyclopedia
    
        Pinnotheres atrinicola is a small crab
that lives symbiotically
in the horse mussel Atrina zelandica around New Zealand
. This species was recognised as being distinct from Pinnotheres novaezelandiae in 1983 .
Crab
True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" , or where the reduced abdomen is entirely hidden under the thorax...
that lives symbiotically
Symbiosis
Symbiosis  is close and often long-term interaction between different biological species. In 1877 Bennett used the word symbiosis  to describe the mutualistic relationship in lichens...
in the horse mussel Atrina zelandica around New Zealand
New Zealand
New Zealand  is an island country in the south-western Pacific Ocean comprising two main landmasses  and numerous smaller islands. The country is situated some  east of Australia across the Tasman Sea, and roughly  south of the Pacific island nations of New Caledonia, Fiji, and Tonga...
. This species was recognised as being distinct from Pinnotheres novaezelandiae in 1983 .

