Shorefishes of the Eastern Pacific online information system

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Species: Tomicodon myersi, Blackstripe clingfish, Myers' clingfish

All Families:   All Genera:   All Species:

front nostril - small flap
4 lines down from eye
D 6-8
pectoral 20-21
upper body - white speckling
over belly - pale stripe with 2 ventral extensions
no blotch above pectoral
anus nearer A than sucker

Tomicodon myersi Briggs, 1955

Blackstripe clingfish, Myers' clingfish

Body relatively slender, elongate, head relatively slender (both viewed from above); front nostril with small (slightly > nostril diameter) skin flap; 4 pairs of upper & 3 pairs of lower 3-pointed incisors, followed by 1-2 & 1 large canines, respectively, on each side; anus much closer to anal fin origin than to rear margin of disc; pectoral 21 (20-21) rays; only a small fleshy swelling at pectoral base; sucker disc with broad patch of papillae at front, papillae on inner row of front section at least twice as long as others, no papillae in center, 5-7 rows of papillae across rear section; dorsal 7 (6-8) rays; anal 6 (5-8) rays; tail 8 (7-8) rays.
Upper head & body pale grey with scattered white speckles; several wiggly transverse dark lines across top of head behind eyes; sides of head pale grey; 4 thin bars from eye - 2 below and 2 behind; an irregular white band along back at eye level, with 2 wide extensions down onto flank behind of pectoral; midflank with an irregular dark stripe plus blotches; dorsal with a dark margin; inner 2/3 of tail fin dark; no dark spot on flank above pectoral fin.
Size: 2.6 cm.
Habitat: intertidal rock pools and subtidal boulders.
Depth: 0-7 m.
Central Gulf of California to Colombia.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef only
  • Reef (rock/coral/oyster)
  • Rocks
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
  • Mobile benthic gastropods/bivalves
Egg Type
  • Benthic
  • No data
  • Pelagic larva
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • All species
  • Continental TEP endemic
  • Continent
  • TEP endemic
  • Continent only
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 2.6
Depth Range Min
  • 0
Depth Range Max
  • 7