Koljuška
Gasterosteus aculeatus (Linnaeus)
Three-spined stickleback
Description
Three-spined stickleback (Gasterosteus aculeatus) is a small fish distributed in northern inland and coastal waters. Known for morphological diversity.
Habitat
Freshwater habitats including rivers, lakes, and streams.
Diet
Varied diet including aquatic invertebrates, plants, and organic matter.
Regulations and Responsible Fishing
This species is strictly protected, so fishing and keeping catches are not allowed.
For strictly protected species, retention is not allowed regardless of size.
Always check local association or concession holder rules before fishing, because they may be stricter than this general overview.
Practical Fishing Context
Three-spined stickleback (Gasterosteus aculeatus) is a small fish distributed in northern inland and coastal waters. Known for morphological diversity.
- Where to try: target habitats described as Freshwater habitats including rivers, lakes, and streams..
- When to try: activity often improves during stable weather and daily light transitions.
- Baits and lures: align your choices with the natural diet (Varied diet including aquatic invertebrates, plants, and organic matter.).
- Extra tip: Strictly protected species; fishing is prohibited. If accidentally caught, release immediately.
How to catch: Three-spined stickleback
Strictly protected species; fishing is prohibited. If accidentally caught, release immediately.