Shorefishes of the Eastern Pacific online information system

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Species: Evorthodus minutus, Red-fin goby, Small goby

All Families:   All Genera:   All Species:

D, A & rear body red
D1 V-VI, base - black spot
C base - 2 black spots
scales large, head & body (smooth at front, rough behind)



Evorthodus minutus Meek & Hildebrand, 1928

Small goby, Red-fin goby

Body elongate, compressed; head short, compressed, snout profile steeply rounded; 2 pores between eyes; 1 pore behind eye and 1 on preopercle; short mouth overhung by snout, reaches to ~ middle of eye; teeth with flattened, forked tips, in single row on side of each jaw, adults with 4-6 teeth in second row at front of top jaw; dorsal fin V-VI (elongate in male) + I, 11-12 rays; anal fin I, 11-12 rays; pelvics fused in disc that is not fused to belly; pectoral round, reaches beyond tip of pelvic; tail fin short, round; scales large (28-32 rows on body), rough at rear of body, smooth at front, present on sides of head, 28-30 in lateral series.

Grey-brown, head darker, rear body red-brown; sides with irregular dark blotches forming bars; tail fin base with 2 dark spots; spiny dorsal with round dark spot at base and longest spines with black tips; soft dorsal red, with black stripes; anal fin red; tail clear of faintly barred.

Size: to 3.6 cm.

Habitat: intertidal on mud bottoms, enter freshwater.

Depth: 0-5 m.

The SE Gulf of California to Ecuador.

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  • Freshwater
  • Brackish
  • Non Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Mud
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Freshwater
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
  • No Data
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • All species
  • Continent only
  • TEP endemic
  • Continent
  • Continental TEP endemic
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 3.6
Depth Range Min
  • 0
Depth Range Max
  • 5