Species: Hemanthias signifer, Damsel bass, Damsel thread-fin bass, Hookthroat bass


Hemanthias signifer (Garman, 1899)
Hookthroat bass, Damsel bass, Damsel thread-fin 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; adults with pointed, hook-like spine at front of throat where it joins base of gill arches; 33-38 gill rakers; dorsal with X spines, 3rd spine long, filamentous, 13-14 rays; anal III, 7-9; pectoral 18-20 rays; pelvics long; tail weakly forked, outer rays longest; scales small, rough, 7-8 rows between 5th dorsal fin spine and lateral line; top jaw and most of snout and area between eyes scaleless; 59-69 scales on lateral line.
Head, body and fins pink to red; yellow stripe from snout under eye, can extend to edge opercle; yellow spots on upper operculum; sometimes yellow spots on lower flank; dorsal and anal pink, broad yellow margins; tail pink, broad yellow edges; pelvics pink, yellow front edge and tips; pectoral pink.
Size: 42 cm.
Habitat: demersal on rocky reefs.
Depth: 25-305 m.
Southern California and the lower ¾ of the Gulf of California to Peru and Malpelo.

High Resolution Map Download
- Salinity
-
- Marine
- Marine Only
- Inshore/Offshore
-
- Inshore
- Inshore Only
- Water Column Position
-
- Bottom
- Near Bottom
- Bottom + water column
- Habitat
-
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- Reef and soft bottom
- Sand & gravel
- Rocks
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Water column
- FishBase Habitat
-
- Demersal
- Feeding Group
-
- Planktivore
- No Data
- Diet
-
- No Data
- Pelagic fish eggs
- Zooplankton
- Pelagic fish larvae
- Egg Type
-
- Pelagic
- Pelagic larva
- No data
- Global Endemism
-
- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
-
- Island (s)
- Continent + Island (s)
- TEP endemic
- Continent
- All species
- Residency
-
- Resident
- Climate Zone
-
- North Temperate (Californian Province &/or Northern Gulf of California)
- 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)
- IUCN Red List
-
- Least concern
- Listed
- CITES
-
- Not listed
- Depth Range Max
-
- 305
- Depth Range Min
-
- 25
- Length Max
-
- 42