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Species: Tomicodon abuelorum, Grandparent's clingfish

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no flap front nostril
D 10-12
pectoral 21-24
body - many narrow Y bars, oblique at front
blotch above pectoral
anus nearer A than sucker

Tomicodon abuelorum Szelistowski, 1990

Grandparent'S Clingfish

Body relatively slender, elongate, head relatively slender (both viewed from above); 5-7 & 6-8 short, blunt rakers on 2nd & 3rd gill arches; front nostril without skin flap; 4-5 pairs of upper & 4 pairs of lower 3-pointed incisors, followed by 1-3 & 1-2 large canines, respectively, on each side; anus notably nearer origin of anal fin than sucker; pectoral 21-24 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 relatively long 10-12 rays; anal 8-10 rays; tail 10-12 rays.

Translucent light olive above; 4-5 dark lines radiate from eye - to snout, to corner of mouth, behind eye; large dark spot on flank above pectoral base, often bordered at front by same-sized white spot; ~15 narrow brown bars, some in form of a Y, on body between pectoral and tail base, front bars oblique; all fins except pelvics with numerous small spots, concentrated along rays of pectoral; base of tail fin dark.

Size: 4.2 cm.

Habitat: mangrove roots.

Depth: 0-5 m.

El Salvador to Panama.

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  • Brackish
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Estuary
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mangrove
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • Benthic microalgae
  • Mobile benthic gastropods/bivalves
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
  • Mobile benthic worms
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • TEP endemic
  • Continental TEP endemic
  • Continent only
  • All species
  • Continent
  • Panamic province endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Endangered
  • Listed
  • Not listed
Length Max
  • 4.2
Depth Range Min
  • 0
Depth Range Max
  • 5