Aquarium guide
Aquarium guide     

  
 
FRESHWATER INVERTEBRATES
 

FRESHWATER INVERTEBRATES

Although freshwater invertebrates play a significant ecological role in their natural habitat, they are not popular with aquarists, and this is a great shame. They are represented by two main groups: the mollusks and the crustaceans.


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АЛЕКСАНДР Адрианопольский (Восточный) (3 в .), епископ, священномученик. Память в Православной и в Католической церкви 22 октября.