Shorefishes of the Eastern Pacific online information system

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Species: Aboma etheostoma, Scaly goby, Spot-lined goby

All Families:   All Genera:   All Species:

lower body - lines of black spots
D1 2 thick black stripes
D2 rows black spot
C ~ 4 dark chevrons
lower head - black spots



Aboma etheostoma (Jordan & Starks in Jordan, 1895)

Scaly goby, Spot-lined goby

Head and body slender; head elongate, snout pointed; eye large (~ snout length); narrow between eyes (< ½ eye diameter); mouth small; males with large canines in outer row of teeth on side of lower jaw; no teeth on sides of roof of mouth; tongue round to blunt; head without barbels; front nostril tubular, rear with raised rim; preopercle with 2-3 pores; dorsal fin VII (large males - 1st  spine long, ribbon-like, reaching to middle of soft dorsal) + I, 11-12; anal fin I, 10-12 rays; pectoral 16-19 rays, longer than pelvic; pelvics fused in disc; body scaled rearward of line under 2nd  dorsal spine to upper pectoral base & from lower pectoral base to anus; scales rough, large, 26-30 lateral rows; 4 large, very rough scales on base of tail fin.

Tan to grey brown; lower part of head with scattered black dots, 2 prominent spots behind eye, 2 oblique bars from eye to under rear end of lower jaw; 4-6 rows of dark spots forming narrow dark stripes along body; 1st  dorsal with 2 thick dark stripes; 2nd  dorsal with 3 rows of dark spots; anal dusky, darker at edge; pectoral base with a dark curved bar; pelvics dusky; tail fin with 5-6 dark chevron bars.

Size: 3.6 cm.

Habitat: shallow estuaries.

Depth: 0-10 m.

Lower Gulf of California to northern Peru.

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  • Brackish
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Estuary
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
Egg Type
  • Benthic
  • No data
  • Pelagic larva
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • All species
  • Continent only
  • Continent
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • TEP endemic
  • Continental TEP endemic
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 3.6
Depth Range Min
  • 0
Depth Range Max
  • 10