Species: Atractoscion nobilis, White seabass, White weakfish
Atractoscion nobilis (Ayres, 1860)
White seabass, White weakfish
Body elongate, fusiform, compressed, oval cross-section; eye moderate; mouth opens at front, weakly oblique, lower jaw slightly projecting; no barbel or pores under chin; teeth in multiple rows, front teeth pointed but are not canines; 13-18 gill rakers; preopercle with smooth edge; raised ridge down center of belly; dorsal with long base, deep notch between spiny and soft parts, X-XI, 21-23; anal fin II thin, short spines, 9-10 rays; pectoral and pelvics short; tail straight to slightly concave; scales small, all rough except smooth around eye; fins not scaly; 70-85 on lateral line.
Metallic blue to coppery above, with dark specks; belly silver; inner base of pectoral with black blotch; juveniles 3-6 dark bars on upper back, dusky yellow fins.
Size: 166 cm; 38 kg.
Habitat: rocky and algal bottoms.
Depth: 1-125 m.
Alaska to the Gulf of California.
High Resolution Map Download
- Salinity
-
- Brackish
- Marine
- Inshore/Offshore
-
- Inshore
- Inshore Only
- Water Column Position
-
- Bottom
- Bottom only
- Habitat
-
- Sand & gravel
- Rocks
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- Estuary
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Reef and soft bottom
- FishBase Habitat
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- Demersal
- Feeding Group
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- Data
- Carnivore
- Diet
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- Octopus/squid/cuttlefish
- Bony fishes
- Data
- Egg Type
-
- Pelagic larva
- Pelagic
- No data
- Global Endemism
-
- All species
- TEP non-endemic
- East Pacific endemic
- Regional Endemism
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- Tropical Eastern Pacific (TEP) non-endemic
- Temperate Eastern Pacific, primarily
- All species
- Continent only
- Continent
- California province, primarily
- Residency
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- Resident
- Climate Zone
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- Northern Subtropical (Cortez Province + Sinaloan Gap)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
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- Listed
- Least concern
- CITES
-
- Not listed
- Length Max
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- 166
- Depth Range Min
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- 1
- Depth Range Max
-
- 125
