| gptkbp:instanceOf | gptkb:Arthropod 
 | 
                        
                            
                                | gptkbp:bloodContains | hemocyanin 
 | 
                        
                            
                                | gptkbp:bloodType | blue 
 | 
                        
                            
                                | gptkbp:bloodUsedFor | medical testing bacterial endotoxin detection
 
 | 
                        
                            
                                | gptkbp:breedingSeason | gptkb:spring summer
 
 | 
                        
                            
                                | gptkbp:class | gptkb:Merostomata 
 | 
                        
                            
                                | gptkbp:commonSpecies | gptkb:Carcinoscorpius_rotundicauda gptkb:Limulus_polyphemus
 gptkb:Tachypleus_gigas
 gptkb:Tachypleus_tridentatus
 
 | 
                        
                            
                                | gptkbp:conservationStatus | vulnerable 
 | 
                        
                            
                                | gptkbp:diet | mollusks small crustaceans
 worms
 
 | 
                        
                            
                                | gptkbp:distribution | gptkb:Southeast_Asia gptkb:Atlantic_coast_of_North_America
 
 | 
                        
                            
                                | gptkbp:evolutionaryAge | over 450 million years 
 | 
                        
                            
                                | gptkbp:eyeColor | compound eyes simple eyes
 
 | 
                        
                            
                                | gptkbp:family | gptkb:Limulidae 
 | 
                        
                            
                                | gptkbp:habitat | coastal waters muddy flats
 
 | 
                        
                            
                                | gptkbp:hasBodyPart | opisthosoma prosoma
 telson
 
 | 
                        
                            
                                | gptkbp:importantFor | ecological biomedical
 
 | 
                        
                            
                                | gptkbp:kingdom | gptkb:Animalia 
 | 
                        
                            
                                | gptkbp:lifespan | up to 20 years 
 | 
                        
                            
                                | gptkbp:matureAtAge | 9-12 years 
 | 
                        
                            
                                | gptkbp:molting | multiple times before maturity 
 | 
                        
                            
                                | gptkbp:notACrab | true 
 | 
                        
                            
                                | gptkbp:order | gptkb:Xiphosurida 
 | 
                        
                            
                                | gptkbp:phylum | gptkb:Arthropoda 
 | 
                        
                            
                                | gptkbp:predators | gptkb:fish birds
 sea turtles
 
 | 
                        
                            
                                | gptkbp:relatedTo | spiders scorpions
 
 | 
                        
                            
                                | gptkbp:reproduction | lays eggs on beaches 
 | 
                        
                            
                                | gptkbp:scientificName | gptkb:Limulidae 
 | 
                        
                            
                                | gptkbp:uses | gptkb:fertilizer bait
 biomedical industry
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Touch_Pool 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Horseshoe Crab 
 |