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Etropus ciadi A. M. van der Heiden and H. G. Plascencia González, 2005
Life   Vertebrata   Fish   Paralichthyidae   Etropus

Etropus ciadi Copyright Michel Lamboeuf · 0
Etropus ciadi

IDnature guide


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Etropus ciadi
© Copyright Photographer/SFTEP, 2002 · 0
Etropus ciadi

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.

Reaches 11.6cm

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.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;

Links to other sites

  • 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.


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