Fish, bullhead catfish family
Brown bullhead
- Maximum length
- 55cm
- Maximum weight
- 3,6kg
- Best water temperature
- 15–28 °C
- Water today (4.1 °C)
- Tolerates it, but slowed down

About the species Brown bullhead
How to recognise it
Eight barbels around the mouth, no scales, an adipose fin and a stiff spine in the pectoral fins. Brown to mottled colouring.
Where it lives
Still and slow waters. Originates from North America.
What it feeds on
Omnivore, including eggs and small fish.
Spawning
In summer; the male guards the nest.
Invasive species. Watch out for the spines on the fins. Never release it into other waters.
Water temperature and requirements
At what temperature the species is active and how well today's water suits it.
Tolerates it, but slowed downTypical water in Slovakia is 4.1 °C today. The species tolerates this temperature (4 to 32 °C), but the water is colder than the ideal 15 to 28 °C. Fish tend to be slower and pickier.
- tolerates 4 to 32 °C
- best 15 to 28 °C
- spawning at 20 to 25 °C
- typical water today 4.1 °C
- Length
- up to 55 cm
- Weight
- up to 3.6 kg
- Oxygen
- Tolerates low oxygen
- Position in the food chain
- 3,3omnivore and small animals
The values are indicative and come from the FishBase database. In a particular water, fish behave according to the weather, air pressure, oxygen and food.
Where it was recorded
Fishing districts around which a record of this species exists (GBIF).
We do not yet have records of this species at any fishing district. The data are supplemented from the GBIF database.
Similar species
Photo credits
- Brown bullhead: Photo: author not stated, CC BY-SA 2.5, Wikimedia Commons
- Black bullhead: Photo: George Chernilevsky, CC BY-SA 4.0, Wikimedia Commons
- Wels catfish: Photo: HalbsHännile, CC BY-SA 4.0, Wikimedia Commons
Minimum sizes, protection periods and permitted fishing methods are set by the fishing regulations and the conditions of the specific fishing district. Check them before you fish.

