Species: Aruma histrio, Slow goby
Aruma histrio (Jordan, 1884)
Slow goby
Body elongate, somewhat compressed; head large, flattened, with puffy cheeks; mouth large, oblique; tip of tongue notched; pore between middle of eyes but none in front of eyes; preopercle with 2 pores & 1 small barbel on its edge, no other barbels on head; dorsal fin VII + I, 11-12; anal rays I, 9-12; pectoral rays 17-20 (rarely 16); pelvics fused to form disc; tail long, rounded; no scales; no lateral line.
Brown with 6-7 white bars, these sometimes incomplete or posterior 1-4 bars weak or missing; a narrow white bar at pectoral fin base followed by a dark brown bar; fins dusky brown to whitish.
Size: attains 6.5 cm.
Habitat: a secretive species that inhabits rocky crevices in tide pools and under cobble in shallow water.
Depth: to at least 15 m.
Endemic to Gulf of California.
High Resolution Map Download
- Salinity
-
- Marine Only
- Marine
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom
- Bottom only
- Habitat
-
- Reef associated (reef + edges-water column & soft bottom)
- Reef only
- Reef (rock/coral/oyster)
- Rocks
- FishBase Habitat
-
- Demersal
- Feeding Group
-
- No Data
- Carnivore
- Diet
-
- No Data
- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic worms
- Egg Type
-
- Benthic
- No data
- Pelagic larva
- Global Endemism
-
- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
-
- Continent
- Cortez province endemic
- Continental TEP endemic
- All species
- Continent only
- TEP endemic
- Residency
-
- Resident
- Climate Zone
-
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
-
- Listed
- Least concern
- CITES
-
- Not listed
- Length Max
-
- 6.5
- Depth Range Min
-
- 0
- Depth Range Max
-
- 15
