Species: Hemanthias peruanus, Rose thread-tail bass, Split-tail bass


Hemanthias peruanus (Steindachner, 1874)
Split-tail bass, Rose thread-tail bass
Body elongate, compressed; head short, compressed; eye large; mouth strongly oblique; without accessory bone above top jaw bone; canine teeth at front of mouth; teeth on center and sides of roof of mouth; preopercle margin serrated above and below; 31-33 (rarely 34) gill rakers; dorsal rays IX-X,13-15, third dorsal spine long and filamentous, at least in adults; anal rays III, 7-9; pectoral rays 17-18 (rarely 16); tail fin deeply forked, middle rays longest; pelvics long, passing origin of anal fin; scales small, rough, 3-4 rows between 5th dorsal fin spine and lateral line; top jaw and most of snout and area between eyes scaleless; pored lateral-line scales 52-55 (occasionally 56-59.
Head and body reddish; head with a yellow stripe under eye, curving up to top corner of opercle; sides of body with yellow blotches and spots; fins red, with yellow spots and yellow borders
Size: grows to 45 cm.
Inhabits rocky reefs.
Depth: 20-120 m.
Central Baja to the Gulf of California to Peru, the Galapagos.

High Resolution Map Download
- Salinity
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- Marine Only
- Marine
- Inshore/Offshore
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- Inshore Only
- Inshore
- Water Column Position
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- Bottom
- Bottom + water column
- Near Bottom
- Habitat
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- Sand & gravel
- Reef (rock/coral/oyster)
- Rocks
- Reef and soft bottom
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Reef associated (reef + edges-water column & soft bottom)
- Water column
- FishBase Habitat
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- Pelagic
- Feeding Group
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- Planktivore
- Data
- Diet
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- Data
- Zooplankton
- Pelagic fish larvae
- Pelagic fish eggs
- Egg Type
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- Pelagic larva
- No data
- Pelagic
- Global Endemism
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- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
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- TEP endemic
- Continent + Island (s)
- Island (s)
- All species
- Continent
- Residency
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- Resident
- Climate Zone
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- South Temperate (Peruvian Province )
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
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- Listed
- Least concern
- CITES
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- Not listed
- Length Max
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- 45
- Depth Range Min
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- 20
- Depth Range Max
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- 120