Aquarium guide
Aquarium guide     

  
 
INVERTEBRATES
 

INVERTEBRATES

These days, more and more aquarists seem to be taking an interest in these animals. Ecologically speaking, invertebrates represent a natural complement to fish and plants; in visual terms, you can put on a spectacle of luminous beauty, particularly in sea water, using anemones and corals, to which can be added small fish, either lively or placid, but always brightly colored. There are also a few species of freshwater mollusks and crustaceans which are easy to keep in captivity, although they are little known and often overlooked.


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ЭПИНУС (Aepinus) Франц Ульрих Теодор (1724-1802) , российский физик, академик Петербургской АН (1756-98). Родился в Германии, с 1757 в России. Исследовал пироэлектричество. Сделал попытку математической трактовки электрических и магнитных явлений (1759).