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Weight
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Rarely 0.057kg (2oz), very few over 0.085kg (3oz). |
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Length
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Rarely exceed 15cm. |
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Age
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Maximum 8 years |
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Location
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Rivers, canals, drains and lakes. |
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Behaviour
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Shoaling, often in large numbers, able to produce sound. |
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Preferred habitat
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Clear flowing water, sand or gravel substrate. |
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Feeding
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Active during summer months, bottom feeder, adaptable. |
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Natural food
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Insect larvae, molluscs freshwater shrimp. |
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Maturity
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2-3 years. |
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Fecundity
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2,500-6,500 eggs. |
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Spawning times
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April-August, 17°C+. |
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Spawning
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Gravel, typically 10-20mm. |
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Migratory habits
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Limited home range. |
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Predators
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Pike, Perch, Chub, Barbel, Trout and Eel. |
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