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Ambloplites rupestris  (Rafinesque, 1817)

Rock bass
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Image of Ambloplites rupestris (Rock bass)
Ambloplites rupestris
Picture by N. Burkhead & R. Jenkins, courtesy of VDGIF

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Centrarchidae (Sunfishes)
Etymology: Ambloplites: Greek, ambloo = blunt + Greek, oplites = shield (Ref. 45335);  rupestris: rupestris meaning among the rocks (Ref. 10294).

Environment / Climate / Range Ecology

Freshwater; demersal; pH range: ? - 7.0; dH range: 10 - ?.   Temperate; 10°C - 29°C (Ref. 12741); 54°N - 34°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 43.0 cm TL male/unsexed; (Ref. 5723); common length : 15.4 cm TL male/unsexed; (Ref. 12193); max. published weight: 1.4 kg (Ref. 4699); max. reported age: 18 years (Ref. 72462)

Short description Morphology | Morphometrics

Dorsal spines (total): 10 - 13; Dorsal soft rays (total): 11-13; Anal spines: 5-7; Anal soft rays: 9 - 11; Vertebrae: 29 - 32

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North America: St. Lawrence River-Great Lakes, Hudson Bay (Red River), and Mississippi River basins from Quebec to Saskatchewan in Canada, and south to northern Georgia, northern Alabama and Missouri (native only to Meramec River) in the USA (Ref. 5723). Introduced to Europe (Ref. 59043).

Biology     Glossary (e.g. epibenthic)

Adults inhabit vegetated and brushy stream margins and pools of creeks and small to medium rivers, and rocky and vegetated margins of lakes (Ref. 5723). Most commonly found in clear, silt-free rocky streams (Ref. 5723). They feed on small crustaceans, insects and fish (Ref. 30578). An introduced species in Europe which avoids swift waters and occurs in a wide variety of slow-flowing to stagnant waters such as large rivers, lakes, ponds, canals and backwaters (Ref. 59043).

Main reference Upload your references | References | Coordinator | Collaborators

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
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Aquaculture profile
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Genetics
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Ciguatera
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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.01118 - 0.01869), b=3.12 (3.05 - 3.19), based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.5 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (tm=2-3; tmax=10; Fec=3,000-11,000).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100) .
Price category (Ref. 80766):   Unknown.