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Species: Trinectes fonsecensis, Spotted-fin sole

All Families:   All Genera:   All Species:

elongate
front nostril no ring cirri
~10 narrow dark bars
fins spotted
D 54-64; A 40-48
no hole between gill chambers
pectoral usually present
LL 73-76
blind side opercular flap mostly scaled

Trinectes fonsecensis (Günther, 1862)

Spotted-fin sole

Body oval, elongate; eyes on right side; no ring of cirri on margin of eye-side front nostril; snout rounded; mouth small, arched, a little below snout; front margin of head with short tentacles; rear edge of preopercle covered with skin, visible as a superficial groove; gill openings wide, united before pelvic fins; without opening connecting gill chambers on both sides; dorsal origin ~ above eye; dorsal rays 59 (54-64); anal rays 43 (40-48); pectoral fin in 90% of fish, rays 1-3 (usually a single small ray);  pelvic on eye side fused to anal; pectorals present or absent; lateral line from head to tail, straight, with perpendicular branches running across body; body covered with rough scales; scales in longitudinal series 73-76; opercular margin on blind side mostly scaled.

Tan with ~10 dark brown bars; scattered rows of spots between bars; median fins with dark brown spots.

Size: reaches at least 19 cm.

Inhabits flat sand bottoms, frequently captured by trawlers, also enters estuaries.

Depth: 0-107 m.

The southern tip of Baja and the Gulf of California to Peru, vagrants in the Galapagos.


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Salinity
  • Freshwater
  • Brackish
  • Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Sand & gravel
  • Freshwater
  • Soft bottom only
  • Estuary
  • Mud
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
  • Data
Egg Type
  • Pelagic larva
  • Pelagic
  • No data
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Continent + Island (s)
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • Continental TEP endemic
  • Continent
  • All species
  • Island (s)
  • TEP endemic
Residency
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 19
Depth Range Min
  • 0
Depth Range Max
  • 107