Main identification features
- body deep ( greater than 1/2sl)
- pectoral - dark tip + bar
- lateral line has 36-43 scales
- dorsal fin 66-79 anal fin 52-62
Body relatively deep (47-60,mean 55% of SL); head small (22.1–26.6% SL); eyes close-set, lower one slightly before upper, a ridge between them that curves around and down behind lower eye to edge of preopercle; dorsal rays 66-79; anal rays 52-62; mouth relatively large for the genus, ends just behind front edge of lower eye, length <30% of head length; teeth small, in a single series, weak and mobile, concentrated on blind side of upper jaw; 2-7 upper gill rakers and 5-10 lower; 6 pelvic fin rays; tail fin with blunt angular point; lateral line straight, without arch above pectoral fin, not extending onto head; base of eye side pelvic on midline of body; urinary papilla on blind side, immediately behind anus; scales small, rough, easily dislodged, without small accessory scales; 36-43 lateral line scales.
Brown, with dark brown speckles on body and dorsal and anal fin rays, some grouped to form small spots; pectoral fin with dark tip and a wavy bar about 2/3 way along fin; males without dark pigment on blind side.
Lives on soft bottoms
Depth range 8-40m
Known only from the eastern Gulf of California
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 40 m.
Depth Range Min: 8 m.
Diet: octopus/squid/cuttlefish; mobile benthic crustacea (shrimps/crabs); mobile benthic worms; bony fishes.
Eastern Pacific Range: Northern limit=32; Southern limit=25; Western limit=-115; Eastern limit=-109; Latitudinal range=7; Longitudinal range=6.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: East Pacific endemic; Tropical Eastern Pacific (TEP) endemic; All species.
Habitat: Sand & gravel; Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 11.6 cm.
Regional Endemism: TEP endemic; Continental TEP endemic; Cortez province endemic; Continent only; Continent; All species.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;
- van der Heiden, A.M., Plascencia González, H.G., 2005., Etropus ciadi, a new endemic flatfish from the Gulf of California, Mexico (Pleuronectiformes: Paralichthyidae)., Copeia, 2005:470-478.