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Micropterus punctulatus (Rafinesque, 1819)

Spotted bass
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > Perciformes (Perch-likes) > Centrarchidae (Sunfishes)
Etymology: Micropterus: Greek, mikros = small + Greek,pteron = wing, fin (Ref. 45335);  punctulatus: punctulatus meaning dotted, referring to the rows of spots on the lower sides (Ref. 10294).  More on author: Rafinesque.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser demersal.   Subtropical; 40°N - 29°N

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

North America: Mississippi River basin from southern Ohio and West Virginia to southeastern Kansas, and south to the Gulf of Mexico, USA; Gulf Slope drainages from Chattahoochee in Georgia to Guadalupe River in Texas, USA. Introduced in southern Africa and has become established in several isolated water bodies.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 63.5 cm TL Männchen/unbestimmt; (Ref. 40637); common length : 30.0 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Gewicht: 4.7 kg (Ref. 40637); max. veröff. Alter: 7 Jahre (Ref. 12193)

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Inhabit clear, gravelly flowing pools and runs of creeks and small to medium rivers (Ref. 6465); also found in streams, lakes and reservoirs (Ref. 10294). Juveniles feed on small crustaceans and midge larvae while adults eat insects, larger crustaceans, frogs, worms, grubs and small fish (Ref. 6465, 10294).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Assuming same reproductive mode as M. dolomieu.

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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. (Ref. 5723)

IUCN Rote Liste Status (Ref. 120744)

  nicht bedroht (LC) ; Date assessed: 01 March 2012

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Sportfisch: ja
FAO(Publication : search) | FishSource |

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Ablaichen
Spawning aggregation
Fecundity
Eier
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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00962 - 0.01502), b=3.05 (2.99 - 3.11), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  3.6   ±0.53 se; Based on food items.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Assuming tm=3-4).
Verwundbarkeit (Ref. 59153):  High vulnerability (56 of 100) .