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Species: Urotrygon venezuelae, Venezuelan round ray

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snout length ~1/4 disc width
disc top covered with denticles
tail: > disc, 1 row thorns

Urotrygon venezuelae Schultz, 1949

Venezuelan round ray

Disc is an oval, wider than long; snout with a small sharp point, relatively short (length before eyes ~25% of disc width); eye large, ~spiracle; pectorals continuous around head; tail slender, tapering, its length greater than disc length, with a large venomous spine; tail fin an elongate oval, upper lobe low (height < 1/6 its length), upper and lower lobes not confluent; upper surface of disc and tail covered with tiny denticles; a row of thorns along mid-back and top of front half of tail.

Upper surface uniform grey brown; lower surface white

Reaches 29 cm TL

Lives on soft bottoms in coastal waters.

Depth: 1-30 m.

Colombia to the mouth of the Amazon river.


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Salinity
  • Brackish
  • Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Soft bottom only
  • Estuary
  • Sand & gravel
  • Mud
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • Mobile benthic gastropods/bivalves
Egg Type
  • Data
  • No pelagic phase
  • Live birth
  • No pelagic larva
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean non-endemic
Regional Endemism
  • Continent
  • Also in Brazil
  • Extends South of GC
  • Continent only
  • GC non-endemic
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Near threatened
  • Listed
CITES
  • Not listed
Length Max
  • 29
Depth Range Min
  • 1
Depth Range Max
  • 30