Shorefishes of the Eastern Pacific online information system

Español  Contact

Species: Hippoglossina tetrophthalma, Four-spot flounder, Foureye flounder

All Families:   All Genera:   All Species:

dark + 2 pairs large ocelli
LL arched
scales smooth

Hippoglossina tetrophthalma (Gilbert, 1890)

Foureye flounder, Four-spot flounder

Body elongate, height 39-45% of SL; head length 29-34% of SL; eyes on left side (uncommonly on right side), parallel, large, close together; mouth long, 45% head length, ends under rear edge of lower eye; teeth small, ~ equal sized, equally developed on both jaws; gill rakers short and thick, 2+9-10;  76-83 dorsal rays, origin of dorsal over top eye; 58-62 anal rays; pectoral short, eye-side fin ~ 50% length of head; bases of pelvics symmetric on sides, urinary papilla on eye side, immediately behind level of anus; lateral line extending onto head, with branches to upper eye and below lower eye, strongly arched over pectoral fin; scales large, without small accessory scales; eye side and blind side scales smooth; 95-100 lateral line scales.

Dark brown with two pairs of ocellated black spots on rear half of body; base of pectoral with a dark spot.

Size: to at least 40 cm.

Inhabits sand-mud bottoms.

Depth: 23-233 m.

Southern Baja and the Gulf of California to Peru.

High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • Mobile benthic worms
  • No Data
  • Octopus/squid/cuttlefish
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic larva
  • No data
  • Pelagic
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Continent only
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • All species
  • Continental TEP endemic
  • TEP endemic
  • Continent
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • South Temperate (Peruvian Province )
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 40
Depth Range Min
  • 23
Depth Range Max
  • 233