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Species: Microgobius cyclolepis, Round-scale goby

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nape crest in female
both sexes: short D spines
black & blue oval blotch under orgin D1
D1 spines short, blue base
D2 margin orange
C - top border orange
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This Species (2) This Genus (9) Similar Species (6)

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Microgobius cyclolepis Gilbert, 1890

Round-scale goby

Head and body compressed; fleshy nape crest well developed in females, poorly developed in males; 2-3 pores on preopercle; mouth large, nearly vertical; tip of tongue divided; dorsal fin VII (spines II-VI produced to form short filaments in both sexes) + I, 14-16 rays; anal I, 15-16 rays; pectoral fin 22-24 rays;  tail fin long, oval or pointed (in males); pelvics fused to form disc; midlateral scales 46-55; scales smooth, except patch of rough scales beneath and behind pectoral fin; head, nape, breast, belly, and base of pectoral fin scaleless.

Pale tan with cream-colored belly; an ovoid dark spot with bluish posterior border below origin of first dorsal fin; first dorsal fin with broad inner band of blue, margin speckled with blue; second dorsal fin with oblique inner blue band, central bands of blue and orange and an orange margin; tail fin with inner orange spots, upper margin orange; anal and pelvic fins blue-white; pectoral clear.

Size: grows to 7 cm.

Inhabits flat sand bottoms.

Depth: 2-36 m.

Southern Baja and the eastern Gulf of California to Colombia.

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Species Data Create Report Export as Word File Export as Excel File
Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Planktivore
  • No Data
Diet
  • Zooplankton
  • Pelagic fish eggs
  • No Data
Egg Type
  • No data
  • Benthic
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Continent
  • Continental TEP endemic
  • TEP endemic
  • Continent only
  • All species
  • 3 provinces (Cortez + Mexican + Panamic) endemic
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 7
Depth Range Min
  • 2
Depth Range Max
  • 36