Ancient fish · bowfin family
Bowfin
Amia ocellicauda (formerly Amia calva) · also called dogfish, grinnel

- Typical adult
- 15–27 in, 1–5 lb
- Breathes air
- Its swim bladder works as a lung
- Spawns
- Early April into May or early June, in weedy shallows
- Lives
- Up to about 10 years in the wild
- Indiana record
- 16 lb 8.3 oz — Mutton Creek, Jackson County, 2009
Where bowfin have been recorded
41 of the 111 Indiana lakes on this site with fish records list bowfin, across 13 counties. Tap a dot to open that lake’s depth map.
Recorded here Other lakes with fish records
How we know
- 41lakes where a DNR fisheries survey caught them
A lake can appear in more than one line. A lake that isn’t listed may still have them: records exist only where someone caught, netted or stocked them.
Inland lakes on this list run from 25 to 3,508 acres (median 99) and from 9 to 85 ft deep (median 45 ft).
How many turn up in DNR surveys
Indiana DNR crews survey lakes the same way everywhere: timed night electrofishing along the shore, plus gill and trap nets set overnight. The standard method makes lakes comparable. These are the DNR’s own sampling rates from its community surveys, 2008–2025 — a measure of how many fish a lake holds, not how many an angler will catch.
- Found in
- 28 of 105 lakes surveyed this way
- Typical rate
- 2.0 per hour where found
- Highest
- 10 per hour
- Method
- fish per hour of night electrofishing
“Typical” is the median across the lakes where the survey caught at least one. Nets and electrofishing catch different fish: by the other method it turned up in 26 lakes at a typical 0.25 per net lift. A single survey is a snapshot of one season.
Highest survey rates on this site
- Riddles Lake, St. Joseph 2014 10
- Rosser Park Pond, Lake County 2018 8.0
- Sand Lake, Noble 2017 8.0
- Shock Lake, Kosciusko 2018 8.0
- Diamond Lake, Noble 2016 6.0
- Dixon Lake, Marshall 2023 6.0
- Rivir Lake, Noble 2019 6.0
- Fish Lake, LaGrange 2019 4.0
- Gordy Lake, Noble 2014 4.0
- Hoffman Lake, Kosciusko 2016 4.0
Fish per hour of night electrofishing, with survey years. Survey effort and season differ between lakes.
Often found with
Share of these lakes that also list each fish.
How to recognize it
A long dorsal fin running from mid-back to the tail, a short anal fin, a rounded tail with a dark eyespot at its upper base, and a scaleless head.
Don’t confuse it with

Up close

AI-generated close-ups, not photographs, drawn from the cited descriptions. They show what to look for; they are not a substitute for an expert identification (provenance).
Life in an Indiana lake
Bowfin live in marshes, lakes and river backwaters with plants, preferring calm, clear water. They can breathe air at the surface, which lets them survive stagnant water and even short spells out of water.
Males clear nests in shallow weeds and guard the eggs and then the school of young on their own until the fry reach about 4 inches. Bowfin are ambush predators that come into the shallows at night; they help keep forage fish from stunting.
Source: the sources below.
Rules and eating
Check the rules before you keep fish. Each lake page shows the regulations that apply there, and the Indiana Fishing Guide is the official source. Before eating fish from a particular lake, check the Indiana Fish Consumption Advisory.
All 41 lakes with bowfin
Show every lake, by county
DeKalb County 1
Elkhart County 1
Fulton County 1
Jackson County 1
Kosciusko County 6
Dewart Lake, Hoffman Lake, James Lake, Lake Wawasee, Little Chapman Lake, Shock Lake
LaGrange County 9
Emma Lake, Eve Lake, Fish Lake, Messick Lake, Pretty Lake, Royer Lake, Wall Lake, Westler Lake, Witmer Lake
LaPorte County 1
Lake County 2
Marshall County 4
Noble County 8
Bear Lake, Bixler Lake, Diamond Lake, Gordy Lake, Little Long Lake, Lower Long Lake, Rivir Lake, Sand Lake
St. Joseph County 2
Steuben County 3
Whitley County 2
Sources
- Indiana DNR: Fishes of Indiana list (native and introduced species)
- Indiana DNR: Bowfin (animal information series)
- Minnesota DNR: Bowfin
- Indiana DNR fish surveys (Indiana Data Hub) — lake records and survey catch rates
- Indiana DNR record fish list (angler names are not reproduced here)