Fish, stone loach family

Stone loach

Barbatula barbatulanative speciesTolerates it, but slowed down
Maximum length
21cm
Maximum weight
0,1kg
Best water temperature
8–18 °C
Water today (4.1 °C)
Tolerates it, but slowed down
Fishing districts near where it occurs
4
Mrenka mramorovaná (Barbatula barbatula)
Photo: –Xocolatl (talk) 20:12, 26 April 2010 (UTC), Public domain, Wikimedia Commons

About the species Stone loach

How to recognise it

Six barbels around the mouth, an elongated marbled body and tiny scales.

Where it lives

Clean streams and rivers with a gravel bed, under stones during the day.

What it feeds on

Bottom invertebrates.

Spawning

From March to May on gravel.

A small fish that indicates cleaner water.

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 (1 to 24 °C), but the water is colder than the ideal 8 to 18 °C. Fish tend to be slower and pickier.

  • tolerates 1 to 24 °C
  • best 8 to 18 °C
  • spawning at 8 to 14 °C
  • typical water today 4.1 °C
Length
up to 21 cm
Weight
up to 0.1 kg
Oxygen
Requires a lot of oxygen
Position in the food chain
3,0omnivore 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).

4 fishing districts in total. Show on map

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.