Fish, goby family

Kessler's goby

Ponticola kessleriinvasive speciesTolerates it, but slowed down
Maximum length
25cm
Maximum weight
0,2kg
Best water temperature
10–24 °C
Water today (4.1 °C)
Tolerates it, but slowed down
Býčko Kesslerov (Ponticola kessleri)
Photo: Yuriy Kvach, CC BY-SA 3.0, Wikimedia Commons

About the species Kessler's goby

How to recognise it

Larger head, brownish-yellow colouring with dark spots and pelvic fins fused into a sucker.

Where it lives

Rocky banks of the Danube and its tributaries.

What it feeds on

Invertebrates and small fish.

Spawning

On stony shallows; the male guards the nest.

Invasive species. 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 (0 to 28 °C), but the water is colder than the ideal 10 to 24 °C. Fish tend to be slower and pickier.

  • tolerates 0 to 28 °C
  • best 10 to 24 °C
  • spawning at 13 to 20 °C
  • typical water today 4.1 °C
Length
up to 25 cm
Weight
up to 0.2 kg
Oxygen
Tolerates low oxygen
Position in the food chain
3,5omnivore 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

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.