Smallmouth Bass (Micropterus dolomieu)
(c) Alex Shure, some rights reserved (CC BY-NC), uploaded by Alex Shure · CC BY-NC 4.0 (opens in a new tab) · iNaturalist (opens in a new tab)
FishesIn Hamilton County, Ohio

Smallmouth Bass

Micropterus dolomieu Lacepède, 1802

Smallmouth Bass in all of Ohio
Kingdom
Animalia
Phylum
Chordata
Near Hamilton County

Range

Where it is recorded

Season shown in 0 of Ohio's 88 counties. Explore Ohio

  • No result yet (41)
  • Recorded, too few records for a result (44)
  • Recorded, season not shown (3)
  • Season shown (0)
Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files, 1:500,000. Show as a table
Counties as a table
Smallmouth Bass by Ohio county: records and mapped range
CountyRecords
Adams CountyRecorded, too few records for a result
Allen CountyRecorded, too few records for a result
Ashland CountyNo qualifying records yet
Ashtabula CountyRecorded, too few records for a result
Athens CountyRecorded, too few records for a result
Auglaize CountyNo qualifying records yet
Belmont CountyNo qualifying records yet
Brown CountyRecorded, too few records for a result
Butler CountyRecorded, too few records for a result
Carroll CountyNo qualifying records yet
Champaign CountyNo qualifying records yet
Clark CountyRecorded, too few records for a result
Clermont CountyRecorded, too few records for a result
Clinton CountyRecorded, too few records for a result
Columbiana CountyRecorded, too few records for a result
Coshocton CountyNo qualifying records yet
Crawford CountyRecorded, too few records for a result
Cuyahoga County31 · Recorded, season not shown
Darke CountyNo qualifying records yet
Defiance CountyNo qualifying records yet
Delaware CountyRecorded, too few records for a result
Erie CountyRecorded, too few records for a result
Fairfield CountyRecorded, too few records for a result
Fayette CountyRecorded, too few records for a result
Franklin County38 · Recorded, season not shown
Fulton CountyNo qualifying records yet
Gallia CountyNo qualifying records yet
Geauga CountyNo qualifying records yet
Greene CountyRecorded, too few records for a result
Guernsey CountyNo qualifying records yet
Hamilton County40 · Recorded, season not shown
Hancock CountyRecorded, too few records for a result
Hardin CountyNo qualifying records yet
Harrison CountyNo qualifying records yet
Henry CountyNo qualifying records yet
Highland CountyNo qualifying records yet
Hocking CountyRecorded, too few records for a result
Holmes CountyNo qualifying records yet
Huron CountyNo qualifying records yet
Jackson CountyNo qualifying records yet
Jefferson CountyNo qualifying records yet
Knox CountyRecorded, too few records for a result
Lake CountyRecorded, too few records for a result
Lawrence CountyNo qualifying records yet
Licking CountyRecorded, too few records for a result
Logan CountyRecorded, too few records for a result
Lorain CountyRecorded, too few records for a result
Lucas CountyNo qualifying records yet
Madison CountyNo qualifying records yet
Mahoning CountyRecorded, too few records for a result
Marion CountyRecorded, too few records for a result
Medina CountyRecorded, too few records for a result
Meigs CountyNo qualifying records yet
Mercer CountyNo qualifying records yet
Miami CountyRecorded, too few records for a result
Monroe CountyNo qualifying records yet
Montgomery CountyRecorded, too few records for a result
Morgan CountyNo qualifying records yet
Morrow CountyRecorded, too few records for a result
Muskingum CountyRecorded, too few records for a result
Noble CountyNo qualifying records yet
Ottawa CountyRecorded, too few records for a result
Paulding CountyNo qualifying records yet
Perry CountyNo qualifying records yet
Pickaway CountyRecorded, too few records for a result
Pike CountyNo qualifying records yet
Portage CountyRecorded, too few records for a result
Preble CountyNo qualifying records yet
Putnam CountyRecorded, too few records for a result
Richland CountyRecorded, too few records for a result
Ross CountyNo qualifying records yet
Sandusky CountyRecorded, too few records for a result
Scioto CountyRecorded, too few records for a result
Seneca CountyNo qualifying records yet
Shelby CountyRecorded, too few records for a result
Stark CountyRecorded, too few records for a result
Summit CountyRecorded, too few records for a result
Trumbull CountyNo qualifying records yet
Tuscarawas CountyRecorded, too few records for a result
Union CountyNo qualifying records yet
Van Wert CountyRecorded, too few records for a result
Vinton CountyNo qualifying records yet
Warren CountyRecorded, too few records for a result
Washington CountyNo qualifying records yet
Wayne CountyNo qualifying records yet
Williams CountyNo qualifying records yet
Wood CountyRecorded, too few records for a result
Wyandot CountyNo qualifying records yet

No mapped range from the range source used, the USGS Gap Analysis Project, which maps land vertebrates only.

Season

When it is recorded

In Hamilton County

Not enough evidence

Most records come from a single year, so a season is not shown yet. Based on 40 records in 6 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
Show over the bars
Recording in Hamilton County · records of all species each week, 87,019 in all

Records per week from 40 records in 6 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.

Show as a table
Records of Smallmouth Bass in Hamilton County each week, and records of all species
WeekRecords of Smallmouth BassYears recordedRecords of all species
Jan 4–1000392
Jan 11–1700344
Jan 18–2400312
Jan 25–3100206
Feb 1–700357
Feb 8–1400383
Feb 15–2100366
Feb 22–2800391
Mar 1–700551
Mar 8–1400523
Mar 15–2111750
Mar 22–28001,012
Mar 29 – Apr 4001,535
Apr 5–11001,960
Apr 12–18002,492
Apr 19–25212,403
Apr 26 – May 2003,783
May 3–9113,307
May 10–16112,059
May 17–23002,153
May 24–30002,390
May 31 – Jun 6112,648
Jun 7–13002,715
Jun 14–20002,695
Jun 21–27222,714
Jun 28 – Jul 4323,220
Jul 5–11002,980
Jul 12–18003,031
Jul 19–25112,961
Jul 26 – Aug 1212,795
Aug 2–8322,884
Aug 9–15112,696
Aug 16–22002,535
Aug 23–29622,536
Aug 30 – Sep 5112,606
Sep 6–12322,980
Sep 13–19112,959
Sep 20–26212,313
Sep 27 – Oct 3112,122
Oct 4–10111,828
Oct 11–17431,793
Oct 18–24221,338
Oct 25–31001,023
Nov 1–700676
Nov 8–1400593
Nov 15–2100384
Nov 22–2800496
Nov 29 – Dec 500356
Dec 6–1211478
Dec 13–1900285
Dec 20–2600322
Dec 27 – Jan 200388

In Ohio

Late April to mid-October, middle week Jul 26 – Aug 1

Show over the bars
Recording in Ohio · records of all species each week, 1,691,199 in all

Records per week from 390 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not how common it is. The grey bars show how many records of all species were made here each week, so you can see when recording itself was high or low; the season is not adjusted by them.

Recorded on 272 dates. Latest record: November 2025.

Show as a table
Records of Smallmouth Bass in Ohio each week, and records of all species
WeekRecords of Smallmouth BassYears recordedRecords of all species
Jan 4–10116,211
Jan 11–17005,146
Jan 18–24004,645
Jan 25–31004,698
Feb 1–7006,023
Feb 8–14115,888
Feb 15–21005,436
Feb 22–28006,846
Mar 1–7008,321
Mar 8–140010,384
Mar 15–211112,620
Mar 22–280013,949
Mar 29 – Apr 40019,661
Apr 5–111126,860
Apr 12–182239,925
Apr 19–2511541,623
Apr 26 – May 26356,391
May 3–910552,952
May 10–164353,785
May 17–235457,698
May 24–307454,651
May 31 – Jun 625653,099
Jun 7–1316653,700
Jun 14–207556,625
Jun 21–2718755,361
Jun 28 – Jul 418658,477
Jul 5–1112461,336
Jul 12–1813564,722
Jul 19–2516669,753
Jul 26 – Aug 123859,416
Aug 2–825759,712
Aug 9–1511555,994
Aug 16–2218654,328
Aug 23–299451,772
Aug 30 – Sep 515557,167
Sep 6–1231659,075
Sep 13–1912554,543
Sep 20–2611545,860
Sep 27 – Oct 315743,180
Oct 4–1012537,841
Oct 11–179430,824
Oct 18–248621,156
Oct 25–313319,021
Nov 1–73114,172
Nov 8–144312,621
Nov 15–21007,965
Nov 22–28008,136
Nov 29 – Dec 5226,083
Dec 6–12226,004
Dec 13–19215,423
Dec 20–26005,661
Dec 27 – Jan 2118,459

What these results show

These results show when people recorded a species, not when or where it occurs. Missing weeks and low counts do not mean absence or scarcity, and counts are not abundance. Contributed records reflect where, when and what people chose to observe.

Relatives

In the same genus

Other Micropterus recorded in Hamilton County

Identification

How to identify it

Often confused with

  • Largemouth Bass Micropterus nigricansOften confused in Ohio: 30 identifications in Ohio named one where the other was meant
  • Spotted Bass Micropterus punctulatus32 identifications worldwide named one where the other was meant
  • Bluegill Lepomis macrochirus30 identifications worldwide named one where the other was meant
  • Rock Bass Ambloplites rupestris30 identifications worldwide named one where the other was meant
  • Pumpkinseed Lepomis gibbosus16 identifications worldwide named one where the other was meant

From iNaturalist’s similar-species counts, refreshed monthly: confusions in Ohio first, then worldwide. Only species with an Ohio result are listed.

Land cover where it is recorded

Land coverIts recordsAll Ohio records
Developed36%49%
Forest33%31%
Open water22%3%
Wetland7%5%
Farmland2%11%
Grassland and shrub0.7%0.9%

From 267 records placed within 100 m, beside all Ohio records placed the same way. People record where they go, so this shows where records come from, not where the species lives. Land cover: USGS Annual NLCD, 2025 (opens in a new tab)

Sources

Where these results come from

  • Records from iNaturalist research-grade observations and expert-identified GBIF datasets, CC0, CC BY and CC BY-NC. Sources
  • Seasons use the published method and its evidence thresholds. Methods
  • See it on iNaturalist (opens in a new tab)OpenPhenology is independent and not affiliated with iNaturalist.

Records behind the Ohio result

390 records from 2 datasets.

To cite: the GBIF download doi:10.15468/dl.y2jkt8 (opens in a new tab).

A spreadsheet (CSV) with a link to each record, on iNaturalist or GBIF. Records whose location was hidden by the observer or the source are counted but not linked.