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Species: Engyophrys sanctilaurentii, Speckled-tail flounder

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eyes close, spiny crest between them
flank - 3 dark spots; blind side ~ 6 dark bars
C - row 5 dark spots
LL 59-68
teeth ~blind side only
blind side + pectoral fin

Engyophrys sanctilaurentii Jordan & Bollman, 1890

Speckled-tail flounder

Body a wide oval; snout short (~ 20% of head length); eyes on left side of head, close together, large, lower one in advance of upper one, with a crest between them with 1-2 backward pointing spines; with tentacles on rear edges of eyes (may be lost in large males); mouth small, not reaching past front of eye; teeth small, pointed, almost entirely on blind side jaws; gill rakers are 5-6 small fleshy papillae; dorsal origin just in front of top eye; pectoral fin on both sides, larger on eye side, large on blind-side (length ~ 40% of head length); eye side pelvic with base only slightly longer than that of blind side, origin not before blind side fin, and well behind lower eye; lateral line on eye side only, arched over pectoral; scales rough on eye side, smooth on blind side; 59-68 scales on lateral line; dorsal and anal fins scaly, dorsal scaled on blind side as well.

Eye-side blackish brown, scattered black and white spots, black spots prominent along bases of dorsal and anal fins; 3 large black spots along lateral line - above pectoral tip, rear of body, on caudal peduncle; dorsal and anal with scattered black and white spots; tail with 5 black spots forming a band across middle; blind side with 5-6 dusky cross bars - 2 on operculum, 4 behind.

ize: 20 cm.

Habitat: sand, mud and shell bottoms.

Depth: 45-235 m.

Southern California to the Gulf of California to Peru, and Malpelo.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Mud
  • Sand & gravel
  • Soft bottom only
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
Egg Type
  • Pelagic larva
  • Pelagic
  • No data
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent
  • Island (s)
  • Continent + Island (s)
  • All species
  • TEP endemic
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • South Temperate (Peruvian Province )
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 20
Depth Range Min
  • 45
Depth Range Max
  • 235