Species: Ambloplites rupestris
Rock Bass
Species
Show on Lists
Encyclopedia of Puget Sound
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Actinopterygii
Order
Perciformes
Family
Centrarchidae
Genus
Ambloplites
NatureServe
Classification
Informal Taxonomy
Animals, Vertebrates - Fishes - Bony Fishes - Sunfishes and Freshwater Basses
Formal Taxonomy
Animalia - Craniata - Actinopterygii - Perciformes - Centrarchidae - Ambloplites - (Roe et al. 2008).
Ecology and Life History
Habitat Type Description
Freshwater
Migration
true - false - false
Non-migrant
true
Locally Migrant
false
Food Comments
Major foods are crayfish, aquatic and terrestrial insects, and fishes (Manooch 1984). Young eat cladocerans, chironomid and neuropteran larvae, and terrestrial insects. Adults take aquatic insects, crustaceans, mollusks, and small fishes (Sublette et al. 1990).
Reproduction Comments
Spawns in late spring and early summer; eggs hatch in 3-4 days at 20-21 C; sexually mature at age II-IV (Becker 1983, Scott and Crossman 1973).
Ecology Comments
Adults often aggregate.
Length
22
Conservation Status
NatureServe Global Status Rank
G5
Global Status Last Reviewed
1996-09-23
Global Status Last Changed
1996-09-23
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.MB=S5&CA.ON=S5&CA.QC=S5&CA.SK=S2&US.AL=S4&US.AZ=SE&US.AR=SNR&US.CT=SE&US.DE=SE&US.DC=SE&US.GA=S3&US.IL=S3&US.IN=S5&US.IA=S4&US.KS=S1&US.KY=S4&US.MD=S5&US.MA=SE&US.MI=S5&US.MS=S1&US.MO=SNR&US.MT=SE&US.NE=SE&US.NH=SE&US.NJ=SE&US.NM=SE&US.NY=S5&US.NC=S4&US.ND=SNR&US.OH=S5&US.OK=S4&US.PA=S5&US.RI=SE&US.SC=SNR&US.SD=S5&US.TN=S5&US.TX=SE&US.VT=S5&US.VA=S5&US.WA=SE&US.WV=S5&US.WI=S5&US.WY=SE" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
GH - 200,000 to >2,500,000 square km (about 80,000 to >1,000,000 square miles) - GH - Native range encompasses St. Lawrence-Great Lakes, Hudson Bay (Red River), and Mississippi River basins, including most of the northeastern United States and adjacent southern Canada; south to Missouri, northern Alabama, and northern Georgia, west to Saskatchewan and the eastern Dakotas. Introduced in many places on Atlantic slope south to Roanoke River, Virginia, and west of native range in Missouri, Arkansas, northeastern Oklahoma, southeastern Kansas, and some western states (Lee et al. 1980, Page and Burr 2011).
Global Range Code
GH
Global Range Description
200,000 to >2,500,000 square km (about 80,000 to >1,000,000 square miles)

