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Alburnus alburnus

Bleak, Blay, Freshwater Sprat
Temperature
10–22°C
pH
5–6
dGH
8–15 ppm
Size
15 cm
Tank
120 L
- Bleak are typically found in large schools, especially in open waters like lakes and reservoirs. - They play a significant role in aquatic ecosystems by serving as prey for larger predatory fish and birds. - Due to their diet primarily consisting of plankton and small invertebrates, they are active feeders and thrive in environments with abundant microfauna. - In the wild, Bleak can often be observed close to the surface, where they are skilled at capturing insects and other small creatures. - Known for their silvery sheen, they are rarely kept in aquariums due to their high activity levels and specialized habitat requirements.

Water parameters

Hardness
8–15 ppm
Temperature
10–22°C
pH
5–6

Tank & size

Fish size
15 cm
Tank length
80 cm
Tank volume
120 L

Distribution

Europe