Shorefishes of the Eastern Pacific online information system

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Species: Tomicodon eos, Rosy clingfish

All Families:   All Genera:   All Species:

front nostril: large flap
D 8-9
pectoral 21-23
pinkish + 4-5 hour-glass bars
fins yellowish
no blotch above pectoral
anus nearer A than sucker

Tomicodon eos (Jordan & Gilbert, 1882)

Rosy clingfish

Body relatively slender, elongate, head relatively slender (both viewed from above); front nostril with a large flap; rear nostril under eye; upper jaw with 3-4 pairs of trifid incisors at front followed on each side by 1-2 smaller canines; lower jaw with 3-4 pairs of trifid incisors at front followed on each side by 2-5 smaller canines; anus a littler nearer origin of anal fin than sucker; upper edge of gill opening at level of rays 3-5 of pectoral fin; pectoral 21-23 rays; only a small fleshy swelling at pectoral base; sucker disc with broad patch of papillae at front, no papillae in center, 4-5 rows of papillae across rear section; dorsal 8-9 rays; anal 7-8 rays; tail 8-9 rays.

Rosy red to grey with 4-5 diffuse dark, "hourglass" bars across back; about 5 whitish blotches along dorsal midline, including large one on snout; fins yellowish; no dark blotch above pectoral base

Maximum size, to 5 cm.

Inhabits rocky shallows close to shore.

Depth: 0-7 m.

The tip of Baja, and the central Gulf of California to southern Mexico.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Reef (rock/coral/oyster)
  • Reef only
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Zooplankton
  • Data
  • Mobile benthic gastropods/bivalves
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • Benthic microalgae
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Continent
  • All species
  • Continental TEP endemic
  • Cortez + Mexican provinces endemic
  • Continent only
  • TEP endemic
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 5
Depth Range Min
  • 0
Depth Range Max
  • 7