arowana
noun
                                                                                                                            
                                                            aro·wa·na
                    
                                                                                                              
                                                                                                                                  ˌa-rə-ˈwä-nə  
                                                                                                                              
            ˌer-ə-
                                                      
                                                          
            variants  
 or less commonly aruana  
 or arawana  
 or arahuana
        
    
                                
              
          
                                                      : any of several large, tropical, chiefly carnivorous freshwater fish (family Osteoglossidae and especially genera Osteoglossum and Scleropages) of South America, southeastern Asia, Australia, and Africa that have large bony scales, a toothed tongue, and a large mouth with an oblique gape                                      
                
Note: Arowanas have a laterally compressed body and are typically silvery white, gold, red, or green. In the wild, some arowanas may reach a length of four feet (1.2 meters) or longer but are usually smaller when kept as aquarium fish.
called also bonytongue, dragonfish
compare pirarucuLove words? Need even more definitions?
  
  Merriam-Webster unabridged




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