VariousWords beta
Related Terms:
Definitions:
Noun
                                                
                        
                            air bladder
                        
                                                
                        
                            swim bladder
                        
                                                
                        
                            float
                        
                                                
                                                    
                
                    
                    Definition: an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
Definition: An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.