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Species: Achirus lineatus, Lined Sole

All Families:   All Genera:   All Species:

eye-side: ~ 8 thin cross-bars + spots, with patches dark cirri
cirri long, dense, often bunches
D 49-60; A 38-48
eye side cirri - many, often bunches
blind side +/- rear 1/2 dark
pectoral 5-6

Achirus lineatus (Linnaeus, 1758)

Lined Sole

Body oval; eyes on right side, small (3.4-7.0% SL); snout rounded; front margin of head with short tentacles; mouth small, oblique, a little under snout; lips fleshy; 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 52-57 (49-60); anal rays 40-45 (38-48); pelvic on eye side fused to anal fin; eye-side pectoral rays usually 5-6 (3-8); blind side almost always without pectoral; lateral line from head to tail, straight, with perpendicular branches running across body; body covered with rough scales and tufts of cirri. cirri on eye side long, dense, often in tufts, fewer and shorter in big fish.

Dark grey or brownish grey to light tan with about 7 vertical dark lines across eyed side plus many darks spots of varying sizes, some formed by patches of dark cirri; dorsal, anal and tail fins with dark spots; tufts of cirri on eye-side dark; body at rear on blind side typically darkly shaded.

Size: to 23 cm.

Inhabits sand-mud bottoms of estuaries, also in hypersaline lagoons.

Depth: 1-110 m.

S Carolina to Argentina.

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  • Brackish
  • Freshwater
  • Hypersaline
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Estuary
  • Freshwater
  • Mud
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent + Island (s)
  • Continental primarily
  • Extends N + S of GC
  • Extends North of GC
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 23
Depth Range Min
  • 1
Depth Range Max
  • 110