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Species: Lythrypnus zebra, Zebra goby

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blue & red bars with dark central line
blue bars: body ~ 18, head 5

Lythrypnus zebra (Gilbert, 1890)


Zebra goby


Body robust; head round; no crest along top of head and nape;  mouth very oblique; head without pores; papillae around mouth, on cheeks and operculum and over eye; front nostril a long tube, rear nostril a raised rim; tongue round to blunt; 5-7 gill rakers; dorsal fin VI (front spines filamentous in male)+ I, 11-14 rays; 9-10 anal rays; 18-21 pectoral rays; pelvics fused into disc; pectoral rays unbranched; tail fin short, round, with 17 segmented rays; scales rough, body covered, 24-30 lateral scale rows, none on head, nape, chest and pectoral base.

Red, ~ 13 narrow blue bars on body and tail base, 5 more on head, bars from top to bottom of body except those on head and anterior belly; both red and blue bars with central vertical line of dark pigment; all fins clear.

Size: 5.7 cm.

Habitat: caves and crevices in rocky areas.

Depth: 1-100 m.

California to the SW Gulf of California, the Revillagigedos.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Reef only
  • Rocks
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Planktivore
  • Carnivore
  • Data
  • Data
  • Zooplankton
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • TEP non-endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • California province, primarily
  • Continent
  • All species
  • Temperate Eastern Pacific, primarily
  • Tropical Eastern Pacific (TEP) non-endemic
  • Island (s)
  • Continent + Island (s)
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • North Temperate (Californian Province &/or Northern Gulf of California)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 5.7
Depth Range Min
  • 1
Depth Range Max
  • 100