| gptkbp:instanceOf | gptkb:fish 
 | 
                        
                            
                                | gptkbp:class | gptkb:Actinopterygii 
 | 
                        
                            
                                | gptkbp:commonName | snake eels 
 | 
                        
                            
                                | gptkbp:conservationStatus | varies by species 
 | 
                        
                            
                                | gptkbp:diet | carnivorous 
 | 
                        
                            
                                | gptkbp:distinctiveFeature | burrowing behavior elongated body
 
 | 
                        
                            
                                | gptkbp:distribution | worldwide 
 | 
                        
                            
                                | gptkbp:economicImportance | minor in fisheries 
 | 
                        
                            
                                | gptkbp:feature | dorsal and anal fins continuous with caudal fin reduced or absent pectoral fins
 
 | 
                        
                            
                                | gptkbp:firstDescribed | gptkb:Constantine_Samuel_Rafinesque 1810
 
 | 
                        
                            
                                | gptkbp:fossil | Cretaceous to present 
 | 
                        
                            
                                | gptkbp:habitat | gptkb:marine brackish
 
 | 
                        
                            
                                | gptkbp:kingdom | gptkb:Animalia 
 | 
                        
                            
                                | gptkbp:larvalStage | leptocephalus 
 | 
                        
                            
                                | gptkbp:notableGenus | gptkb:Myrichthys gptkb:Myrophis
 gptkb:Ophichthus
 gptkb:Pisodonophis
 
 | 
                        
                            
                                | gptkbp:notableSpecies | gptkb:Myrichthys_colubrinus gptkb:Ophichthus_ophis
 gptkb:Pisodonophis_boro
 
 | 
                        
                            
                                | gptkbp:numberOfSpecies | over 300 about 60
 
 | 
                        
                            
                                | gptkbp:order | gptkb:Anguilliformes 
 | 
                        
                            
                                | gptkbp:phylum | gptkb:Chordata 
 | 
                        
                            
                                | gptkbp:predators | crustaceans larger fish
 marine mammals
 small fish
 worms
 
 | 
                        
                            
                                | gptkbp:relatedTo | gptkb:Anguillidae gptkb:Muraenidae
 
 | 
                        
                            
                                | gptkbp:reproduction | oviparous 
 | 
                        
                            
                                | gptkbp:shape | serpentine 
 | 
                        
                            
                                | gptkbp:subfamily | gptkb:Myrophinae gptkb:Ophichthinae
 
 | 
                        
                            
                                | gptkbp:tailLength | hard, pointed tail tip 
 | 
                        
                            
                                | gptkbp:typeSpecies | gptkb:Ophichthus_serpentinus 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Anguilliformes 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Ophichthidae 
 |