#family_Mobulidae__Mobulidae  large rays lacking venomous spines: mantas
  supertype:  fish_family  any of various families of fish
  member of:  order_Rajiformes
  member:  manta_ray__mantaray__manta__devilfish  extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
  member:  genus_Manta  a genus of Mobulidae
     member:  Atlantic_manta__Manta_birostris  largest manta (to 22 feet across wings); found worldwide but common in Gulf of Mexico and along southern coasts of United States; primarily oceanic
  member:  genus_Mobula__Mobula  type genus of the Mobulidae
     member:  devil_ray__devilray__Mobula_hypostoma  small manta (to 4 feet) that travels in schools

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