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Species: Achirus scutum, Network sole

All Families:   All Genera:   All Species:

brown + ~ 20 dark wavy, bars
scales without hairs
LL > 82
hole connects gill chambers

Achirus scutum (Günther, 1862)

Network sole

Body rounded; eyes on right side; snout rounded; mouth small, arched, a little below snout; lower lip on eyed side fringed; front margin of head with short tentacles; rear edge of preopercle covered with skin, visible as a superficial groove; gill openings wide, united before pelvic fins; an opening connects gill chambers on both sides; dorsal origin ~ above eye; dorsal rays 53-59; anal rays 42-44; pectoral rays 3-4; pelvic on eye side fused to anal; pectorals present or absent; lateral line from head to tail, straight, with perpendicular branches running across body; body covered with rough scales; scales on eyed side without black hair-like filaments; lateral line with  > 82 scales.

Dark brown with ~ 20 tan or whitish bars, these generally wavy and becoming branched or joined with adjacent bars to form a maze-like pattern; median fins with pale wavy bands.

Size: reaches 19 cm.

Inhabits flat sand or mud bottoms of bays and estuaries; enters freshwater streams.

Depth: 5-45 m.

The SE Gulf of California to Peru.

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  • Freshwater
  • Marine
  • Brackish
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Estuary
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Mud
  • Freshwater
  • Sand & gravel
  • Soft bottom only
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
  • Data
  • Mobile benthic worms
Egg Type
  • Pelagic larva
  • No data
  • Pelagic
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • Mexican + Panamic provinces endemic
  • TEP endemic
  • Continental TEP endemic
  • Continent only
  • All species
  • Continent
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 19
Depth Range Min
  • 5
Depth Range Max
  • 45