Dark Fishing Spider (Dolomedes tenebrosus)
(c) Bert Harris, some rights reserved (CC BY-NC), uploaded by Bert Harris · CC BY-NC 4.0 (opens in a new tab) · iNaturalist (opens in a new tab)
SpidersIn Greene County, Ohio

Dark Fishing Spider

Dolomedes tenebrosus Hentz, 1844

Dark Fishing Spider in all of Ohio
Kingdom
Animalia
Phylum
Arthropoda
Order
Araneae
Near Greene County

Range

Where it is recorded

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

  • No result yet (14)
  • Recorded, too few records for a result (56)
  • Recorded, season not shown (18)
  • Season shown (0)
Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files, 1:500,000. Show as a table
Counties as a table
Dark Fishing Spider 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 CountyRecorded, too few records for a result
Ashtabula CountyRecorded, too few records for a result
Athens County40 · Recorded, season not shown
Auglaize CountyNo qualifying records yet
Belmont CountyRecorded, too few records for a result
Brown CountyRecorded, too few records for a result
Butler County72 · Recorded, season not shown
Carroll CountyRecorded, too few records for a result
Champaign CountyRecorded, too few records for a result
Clark CountyRecorded, too few records for a result
Clermont County55 · Recorded, season not shown
Clinton CountyRecorded, too few records for a result
Columbiana CountyRecorded, too few records for a result
Coshocton CountyRecorded, too few records for a result
Crawford CountyRecorded, too few records for a result
Cuyahoga County82 · Recorded, season not shown
Darke CountyRecorded, too few records for a result
Defiance CountyNo qualifying records yet
Delaware County24 · Recorded, season not shown
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 County52 · Recorded, season not shown
Fulton CountyNo qualifying records yet
Gallia CountyNo qualifying records yet
Geauga CountyRecorded, too few records for a result
Greene County62 · Recorded, season not shown
Guernsey CountyRecorded, too few records for a result
Hamilton County88 · Recorded, season not shown
Hancock CountyRecorded, too few records for a result
Hardin CountyNo qualifying records yet
Harrison CountyRecorded, too few records for a result
Henry CountyNo qualifying records yet
Highland CountyRecorded, too few records for a result
Hocking County26 · Recorded, season not shown
Holmes CountyRecorded, too few records for a result
Huron CountyNo qualifying records yet
Jackson CountyNo qualifying records yet
Jefferson CountyRecorded, too few records for a result
Knox CountyRecorded, too few records for a result
Lake County35 · Recorded, season not shown
Lawrence CountyRecorded, too few records for a result
Licking County22 · Recorded, season not shown
Logan CountyRecorded, too few records for a result
Lorain CountyRecorded, too few records for a result
Lucas County26 · Recorded, season not shown
Madison CountyRecorded, too few records for a result
Mahoning CountyRecorded, too few records for a result
Marion CountyNo qualifying records yet
Medina County40 · Recorded, season not shown
Meigs CountyRecorded, too few records for a result
Mercer CountyRecorded, too few records for a result
Miami CountyRecorded, too few records for a result
Monroe CountyRecorded, too few records for a result
Montgomery County53 · Recorded, season not shown
Morgan CountyRecorded, too few records for a result
Morrow CountyRecorded, too few records for a result
Muskingum CountyRecorded, too few records for a result
Noble CountyRecorded, too few records for a result
Ottawa CountyRecorded, too few records for a result
Paulding CountyNo qualifying records yet
Perry CountyRecorded, too few records for a result
Pickaway CountyRecorded, too few records for a result
Pike CountyRecorded, too few records for a result
Portage County31 · Recorded, season not shown
Preble CountyRecorded, too few records for a result
Putnam CountyRecorded, too few records for a result
Richland County26 · Recorded, season not shown
Ross CountyRecorded, too few records for a result
Sandusky CountyNo qualifying records yet
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 County96 · Recorded, season not shown
Trumbull CountyRecorded, too few records for a result
Tuscarawas CountyRecorded, too few records for a result
Union CountyNo qualifying records yet
Van Wert CountyNo qualifying records yet
Vinton CountyRecorded, too few records for a result
Warren County25 · Recorded, season not shown
Washington CountyRecorded, too few records for a result
Wayne CountyRecorded, too few records for a result
Williams CountyRecorded, too few records for a result
Wood CountyRecorded, too few records for a result
Wyandot CountyRecorded, too few records for a result

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

Season

When it is recorded

In Greene County

Not enough evidence

The weeks are still too uncertain to show a season. Based on 62 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 Greene County · records of all species each week, 31,407 in all

Records per week from 62 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 Dark Fishing Spider in Greene County each week, and records of all species
WeekRecords of Dark Fishing SpiderYears recordedRecords of all species
Jan 4–100097
Jan 11–170049
Jan 18–240037
Jan 25–310055
Feb 1–71182
Feb 8–140090
Feb 15–2100186
Feb 22–2811151
Mar 1–711124
Mar 8–1400238
Mar 15–2100299
Mar 22–2811338
Mar 29 – Apr 400561
Apr 5–1100537
Apr 12–1811738
Apr 19–2511793
Apr 26 – May 2321,090
May 3–921778
May 10–1611721
May 17–2322889
May 24–3064932
May 31 – Jun 611889
Jun 7–13631,186
Jun 14–20421,205
Jun 21–27521,059
Jun 28 – Jul 4111,150
Jul 5–11111,279
Jul 12–18111,164
Jul 19–25321,228
Jul 26 – Aug 1321,533
Aug 2–8321,324
Aug 9–15321,105
Aug 16–2211957
Aug 23–2900942
Aug 30 – Sep 500932
Sep 6–1200992
Sep 13–19001,194
Sep 20–2611870
Sep 27 – Oct 332677
Oct 4–1011614
Oct 11–1700533
Oct 18–2422305
Oct 25–3111307
Nov 1–711214
Nov 8–1411227
Nov 15–2100155
Nov 22–2800110
Nov 29 – Dec 50086
Dec 6–120036
Dec 13–190046
Dec 20–2600117
Dec 27 – Jan 200186

In Ohio

Late March to mid-October, middle week Jun 28 – Jul 4

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

Records per week from 1,583 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 946 dates. Latest record: December 2025.

Show as a table
Records of Dark Fishing Spider in Ohio each week, and records of all species
WeekRecords of Dark Fishing SpiderYears recordedRecords of all species
Jan 4–10226,211
Jan 11–17115,146
Jan 18–24004,645
Jan 25–31004,698
Feb 1–7226,023
Feb 8–14225,888
Feb 15–21215,436
Feb 22–28946,846
Mar 1–7648,321
Mar 8–1411610,384
Mar 15–2116512,620
Mar 22–2817513,949
Mar 29 – Apr 417619,661
Apr 5–1126726,860
Apr 12–1841739,925
Apr 19–25461041,623
Apr 26 – May 239756,391
May 3–945852,952
May 10–1641953,785
May 17–2365757,698
May 24–3092954,651
May 31 – Jun 6771053,099
Jun 7–13741053,700
Jun 14–20741056,625
Jun 21–2767855,361
Jun 28 – Jul 461958,477
Jul 5–1158961,336
Jul 12–1840764,722
Jul 19–2548869,753
Jul 26 – Aug 152859,416
Aug 2–852959,712
Aug 9–1540955,994
Aug 16–2251954,328
Aug 23–2943951,772
Aug 30 – Sep 535857,167
Sep 6–1241959,075
Sep 13–1939754,543
Sep 20–2646845,860
Sep 27 – Oct 347843,180
Oct 4–1034837,841
Oct 11–1733730,824
Oct 18–2415621,156
Oct 25–3124819,021
Nov 1–717614,172
Nov 8–1411712,621
Nov 15–21967,965
Nov 22–28228,136
Nov 29 – Dec 5436,083
Dec 6–12436,004
Dec 13–19115,423
Dec 20–26005,661
Dec 27 – Jan 2428,459

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.

Identification

How to identify it

Telling it apart

From what Ohio’s records show. Only what the records support is shown.

Often confused with

  • Striped Fishing Spider Dolomedes scriptusOften confused in Ohio: 69 identifications in Ohio named one where the other was meant
  • White-banded Fishing Spider Dolomedes albineusOften confused in Ohio: 41 identifications in Ohio named one where the other was meant
  • Banded Fishing Spider Dolomedes vittatusOften confused in Ohio: 24 identifications in Ohio named one where the other was meant
  • Woodland Giant Wolf Spider Tigrosa aspersaOften confused in Ohio: 10 identifications in Ohio named one where the other was meant
  • American Nursery Web Spider Pisaurina mira47 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
Forest49%31%
Developed42%49%
Farmland6%11%
Wetland3%5%
Open water0.4%3%
Grassland and shrub0.1%0.9%

From 896 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

1,583 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.