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Species: Rhinoptera brasiliensis, Ticon cownose ray

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9 (8-10) rows narrow, wide tooth plates

Rhinoptera brasiliensis Muller, 1836

Ticon cownose ray

Disc angular, nearly twice as wide as long; head and snout strongly marked off from and raised above front of disc; forehead overhangs blunt, concave snout that is notched in front, lower part with pair of broadly rounded lobes separated by central notch; eyes and spiracles on side of head; mouth without fleshy papillae on its floor; 8-10 (average 9) rows of relatively wide and narrow, large plate-like crushing teeth on both jaws; moderate sized dorsal fin at tail base; no tail fin or fin folds; tail long and slender.

Top uniform brown; underside white with darker edges to the disc.

Reaches a disc width of 104 cm.

Benthic on soft bottoms and in the water column.

Depth: 0-25 m.

North Carolina to Brazil.

Note: Genetically very similar to R. steindachneri from the E Pacific.


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Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Mid Water
  • Near Bottom
  • Bottom
  • Bottom + water column
  • Surface
  • Near Surface
Habitat
  • Beach
  • Sand & gravel
  • Mud
  • Water column
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Estuary
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic gastropods/bivalves
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Live birth
  • No pelagic phase
  • No pelagic larva
Global Endemism
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Extends N + S of GC
  • Extends North of GC
  • Continent only
  • Extends South of GC
  • Continent
  • GC non-endemic
  • Also in Brazil
Residency
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Temperate (>35N)
IUCN Red List
  • Endangered
  • Listed
CITES
  • Not listed
Length Max
  • 104
Depth Range Min
  • 0
Depth Range Max
  • 25