Shorefishes of the Eastern Pacific online information system

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Species: Rhinobatos leucorhynchus, Whitenose guitarfish, Whitesnout guitarfish

All Families:   All Genera:   All Species:

spiracle: 2 folds
snout translucent
back: +/- pale spots
snout: ridges widely separated, converge at front

Rhinobatos leucorhynchus Günther, 1867

Whitesnout guitarfish, Whitenose guitarfish

Body shark-like; snout with 2 central, narrow cartilaginous crests that are widely separated throughout their length, and converge at front; spiracle smaller than eye, with 2 folds in rear border, outer fold much larger; 2 large, equal-sized, triangular dorsal fins; tail pointed above, rounded below & without lower lobe, without lateral folds; skin covered with small denticles, smooth to touch; midline of back with row of short spines back to 2nd dorsal fin; several spines on front and top edge of eye and around spiracles; 2 small clusters of spines on each shoulder, none on snout; spines larger in juveniles.

Upper surface dark grey, sometimes a few scattered pale spots on back; snout very pale, translucent, without dusky tip; lower surface white.

Size: 63 cm.

Habitat shallow soft bottoms.

Depth: 0-50 m?

The Gulf of California to northern Peru.

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  • Marine
  • Brackish
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Estuary
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Carnivore
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • No Data
  • Bony fishes
Egg Type
  • No pelagic larva
  • No pelagic phase
  • No data
  • Live birth
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • Continent
  • Continent + Island (s)
  • Island (s)
  • TEP endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Listed
  • Near threatened
  • Not listed
Length Max
  • 63
Depth Range Min
  • 0
Depth Range Max
  • 50