Shorefishes of the Eastern Pacific online information system

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Species: Evermannia zosterura, Banded goby, Bandedtail goby

All Families:   All Genera:   All Species:

female: fins checkered
D IV + I, 14-15
male: D, A & C - yellow, black, & white stripes
shoulder: 1 long flap
C base - few scales

Evermannia zosterura (Jordan & Gilbert, 1882)

Bandedtail goby, Banded goby

Body slender, elongate; head long, depressed; 1 pore between eyes; papillae on cheek and gill cover; top jaw extends well past eye; dorsal fin IV (1st  spine elongate in male) + I, 14-15 rays; anal I, 13-15 rays; 1 long flexible skin flap on shoulder in front of base of pectoral fin; tail fin long, rounded; scales - smooth, few, minute, imbedded, non-overlapping, on tail fin base.

Male olive, mottled with black above and yellow-brown below; head and body densely speckled with tiny black dots and scattered pale spots; 1st dorsal whitich with black spines; second dorsal and anal with yellowish base, broad black band, broad white margin, tail with center yellow, black bands above and below, and white upper and lower margins, pectorals and pelvics dusky; Female as in male, but dorsals and anal checkered with black, tail faintly barred, all vertical fins with pale margins.

Size: 5 cm.

Habitat: rocky tide pools.

Depth: 0-5 m.

SE Gulf of California to northern Peru.

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