Rhinopteridae

Rhinopteridae is a family of rays in the order Myliobatiformes. These rays are commonly known as cownose rays, manta rays, and devil rays. They are characterized by their large, wing-like pectoral fins, which are fused to their heads. They have a flattened body and a whip-like tail. Some species have cephalic fins, which are fleshy appendages located near their mouths, that help them filter food from the water.

Cownose ray – Rhinoptera bonasus

Australian cownose ray – Rhinoptera neglecta

Brazilian cownose ray – Rhinoptera brasiliensis

Pacific cownose ray – Rhinoptera steindachneri

Common Names

Members of this family are commonly called:

  • Cownose rays
  • Manta rays
  • Devil rays

Characteristics

Rhinopterids have a number of distinct characteristics that set them apart from other ray families. Some of the most notable features include:

  • Large, wing-like pectoral fins
  • Flattened body shape
  • Whip-like tail
  • Cephalic fins in some species
  • Gill slits located on the ventral side of the body
  • Mouth located on the underside of the head
  • Teeth adapted for filter feeding

Environments

Rhinopterids are found in tropical and subtropical waters around the world. They inhabit a variety of marine environments, including:

  • Coastal waters
  • Open ocean
  • Coral reefs
  • Estuaries

References