Shorefishes of the Eastern Pacific online information system

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Species: Aetomylaeus asperrimus, Barred eagle ray, Rough eagle ray, Roughskin bull ray

All Families:   All Genera:   All Species:

head pointed
red-brown + ~8 white bars
D over pelvics

Aetomylaeus asperrimus (Gilbert in Jordan & Gilbert, 1898)

Rough Eagle Ray, Barred Eagle Ray, Roughskin Bull Ray

Disc rhomboidal, about twice as wide as long; pectorals pointed, convex at front and concave at rear, do not continue onto rostrum; head narrow, distinctly raised from disc, protruding forwards; snout conical; front edges of pectoral fins join head under eyes, without a ridge under eyes connected to the disc; very shallowly notched skin fold between nostrils; spiracles about twice as large as eyes, partly visible from above; 7 series of teeth in flat, pavement-like plates; dorsal fin before pelvic-fin free rear tips; tail slender, about 3 times as long as disc, no tail fin, with 1 spine at base, after dorsal fin.

Upper surface reddish brown to grey, with 8-10 narrow transverse white bars that grade into spots at back of disc; white below.

Size: 150 cm disc width.

Habitat: benthic on coastal soft bottoms.

Depth: 5 to 50 m.

Southern Baja to northern Peru; the Galapagos.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Near Bottom
  • Bottom
  • Bottom + water column
Habitat
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
  • Soft bottom only
  • Water column
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
Diet
  • No Data
  • Octopus/squid/cuttlefish
  • Mobile benthic worms
  • Mobile benthic gastropods/bivalves
  • Mobile benthic crustacea (shrimps/crabs)
  • Sea-stars/cucumbers/urchins
Egg Type
  • No pelagic phase
  • No data
  • No pelagic larva
  • Live birth
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • All species
  • Continent
  • Island (s)
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • Continent + Island (s)
  • TEP endemic
Residency
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Data deficient
CITES
  • Not listed
Length Max
  • 79
Depth Range Min
  • 0
Depth Range Max
  • 50