Species: Etropus peruvianus, Peruvian flounder
pectoral: outer 1/3 dark
Etropus peruvianus Hildebrand, 1946
Peruvian flounder
Body relatively slender (height 34-45% of SL); head blunt, short, length 25-29% of SL; eyes on left side (uncommonly on right side), ~ parallel, upper eye below edge of head, with crest behind it; mouth very small, 21-25% of head, ends under front edge of pupil; jaws on blind side arched; most of teeth on blind side, in 1 row on each jaw, none enlarged; lower gill rakers 5-9; dorsal rays 79-86; anal rays 62-68; base of eye side pelvic on midline of body, 6 pelvic fin rays; pectoral fin 80% of head length; tail fin with blunt angular point; urinary papilla on blind side, immediately behind anus; lateral line starts at top corner of operculum, relatively straight; scales small, rough, easily dislodged, without small accessory scales; 41-48 lateral line scales.
Eye side grey-brown, large dark blotch behind operculum that extends back along lower flank behind pectoral, fins paler than body, with dark speckles, pectoral with outer 1/3 dark; blind side pale.
Size: 10 cm.
Habitat: shallow soft bottoms.
Depth: 0-45 m.
Southern Baja and the Gulf of California to northern Peru.
High Resolution Map Download
- Salinity
-
- Marine
- Brackish
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom only
- Bottom
- Habitat
-
- Mud
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Soft bottom only
- Sand & gravel
- FishBase Habitat
-
- Demersal
- Feeding Group
-
- No Data
- Carnivore
- Diet
-
- No Data
- Mobile benthic worms
- Bony fishes
- Octopus/squid/cuttlefish
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
-
- Pelagic
- Pelagic larva
- No data
- Global Endemism
-
- All species
- East Pacific endemic
- Tropical Eastern Pacific (TEP) endemic
- Regional Endemism
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- Continent only
- 3 provinces (Cortez + Mexican + Panamic) endemic
- Continent
- All species
- Continental TEP endemic
- TEP endemic
- Residency
-
- Resident
- Climate Zone
-
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- South Temperate (Peruvian Province )
- North Temperate (Californian Province &/or Northern Gulf of California)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 10
- Depth Range Min
-
- 0
- Depth Range Max
-
- 45
