Species: Axoclinus nigricaudus, Cortez triplefin
Axoclinus nigricaudus Allen & Robertson, 1991
Cortez triplefin
Body short, robust; head large; cirri on head small, simple, 1 pair over nostrils, none over eyes; no teeth on sides of roof of mouth; three dorsal fins (III + XII-XIII + 10-11); dorsal fin soft rays unbranched; anal fin II, 18; pelvic fins completely separate; lateral line gradually descending from upper edge of gill cover to midlateral axis, with 15-16 tubed scales followed by 18-19 notched scales; scales above lateral line about as wide as long; scales small, none on head, breast, belly, and base of pectoral fins; total scales in longitudinal series 36.
Green to brownish above, whitish below; five oblique brown to blackish bars on side including black band on tail base; tail fin clear, thin white bar at base; male: front 4 body bars reduced to black blotches along midline; tail fin black with thin white bar at base.
Size: to 4.8 cm.
Habitat: common in the rocky intertidal zone.
Depth: 1-5 m.
Western and NE Gulf of California.
High Resolution Map Download
- Salinity
-
- Marine Only
- Marine
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom
- Bottom only
- Habitat
-
- Rocks
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- Reef only
- FishBase Habitat
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- Demersal
- Feeding Group
-
- No Data
- Carnivore
- Diet
-
- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic gastropods/bivalves
- No Data
- Mobile benthic worms
- Egg Type
-
- Pelagic larva
- Benthic
- No data
- Global Endemism
-
- All species
- Tropical Eastern Pacific (TEP) endemic
- East Pacific endemic
- Regional Endemism
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- Cortez province endemic
- Continent only
- Continent
- Continental TEP endemic
- All species
- TEP endemic
- Residency
-
- Resident
- Climate Zone
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- North Temperate (Californian Province &/or Northern Gulf of California)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 4.8
- Depth Range Min
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- 1
- Depth Range Max
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- 5
