Shorefishes of the Eastern Pacific online information system

Español  Contact

Species: Trinectes fonsecensis, Spotted-fin sole

All Families:   All Genera:   All Species:

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.

High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
  • Freshwater
  • Brackish
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • 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
  • 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
  • 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
  • Not listed
Length Max
  • 19
Depth Range Min
  • 0
Depth Range Max
  • 107