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Species: Lythrypnus gilberti, Galapagos blue-banded goby

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head red + blue spots
body: brown + 8-9 blue-white bars

Lythrypnus gilberti (Heller & Snodgrass, 1903)

Galapagos blue-banded goby

Body robust; head round; with fleshy 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 (1st  2-3 spines filamentous in male)+ I, 14-15 rays; 11 anal rays; 18-19 pectoral rays; pectoral rays unbranched; pelvics fused into disc;  tail fin short, round, with 17 segmented rays; scales rough, body covered, none on head, nape, chest and pectoral base; 37-39 midlateral rows.

Head pinkish orange to red, with blue spots around eye and short blue bars on nape &/or operculum; body purplish brown with 8-10 narrow, dark-edged white bars.

Size: to 4.5 cm.

Inhabits rocky reefs.

Depth: 1-40 m.

Galapagos Islands.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Reef only
  • Rocks
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Planktivore
  • No Data
  • Carnivore
Diet
  • Zooplankton
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Benthic
  • No data
  • Pelagic larva
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • TEP oceanic island (s) endemic
  • Galapagos Islands endemic
  • Island (s)
  • TEP endemic
  • All species
  • Island (s) only
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Vulnerable
  • Listed
CITES
  • Not listed
Length Max
  • 4.5
Depth Range Min
  • 1
Depth Range Max
  • 40