Main identification features
Head flattened on top, with eyes on top; fringe of small cirri above rear portion of upper lip; 5 pores with skin flaps on occipital region, no preopercle pores; rear nostril longer than front nostril; dorsal rays VII + I, 9-11; anal rays I, 10; pectoral rays 18-19; pelvic fins separate except for low ridge connecting bases of inner rays; no scales (fish >3cm) or 2 or 4 embedded rough scales at tail fin base.
- head flat, eyes on top
- head and body - white spots
- cirri - top lip
- rear opercle - dark bar
Brown to nearly white; head with small white spots; body with larger white spots and sometimes blotches or wavy vertical lines; males with midlateral row of double brown spots and oblique dark stripes on dorsal fins; a short dark bar on lower part of edge of gill cover.
Size: to 7 cm.
Inhabits sand-rubble adjacent to rocky reefs.
Depth: 1-5 m.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 5 m.
Depth Range Min: 1 m.
Diet: mobile benthic gastropods/bivalves; mobile benthic crustacea (shrimps/crabs); mobile benthic worms.
Eastern Pacific Range: Northern limit=2; Southern limit=-2; Western limit=-93; Eastern limit=-90; Latitudinal range=4; Longitudinal range=3.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Sand & gravel; Reef and soft bottom; Soft bottom (mud, sand,gravel, beach, estuary & mangrove).
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 7 cm.
Regional Endemism: Island (s) only; Island (s); TEP endemic; TEP oceanic island (s) endemic; Galapagos Islands endemic; All species.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;
Links to other sites|
- Birdsong , R. S. , Murdy , E. O. and Pezold, F. L., 1988., A study of the vertebral column and median fin osteology in gobioid fishes with comments on gobioid relationships., Bull. Mar. Sci., 42:174-214.
- B÷hlke , J.E and Robins, C.R., 1968., Western Atlantic seven-spined gobies, with descriptions of ten new species and a new genus, and comments on Pacific relatives., Proc. Acad. Nat. Sci. Phila., 120(3):45-174.
- Ginsburg, I., 1933., Descriptions of new and imperfectly known species and genera of gobioid and pleuronectid fishes in the United States National Museum., Proc. U.S. Nat. Mus., 82(20):1-23.
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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