Answer:
B
Explanation:
 These fish like to move from one body of water to another in search of food or a better living space
 
        
                    
             
        
        
        
<span>All organisms are capable of responding to stimuli, reproducing, growth, development, and homeostasis. 
Biodiversity, or biological diversity, is the variety of life on earth. It is the variety between plants, animals, micro-organisms, and the ecosystems where they live.</span>
        
             
        
        
        
Pretty sure its adaptation