THREATS FROM THE NATURAL WORLD

Two of the main threats to goldfish kept outdoors are herons and otters. In mid May 2022, one of the Bristol Aquarists' Society's breeders suffered a devastating raid by otters on his outdoor ponds where he overwinters and brings on fish, in Bristol. Fishkeepers are used to the threat from herons, but remember to consider the threat from otters as well.

Defences implemented

Outdoor rearing trough before countermeasures Wire mesh screens being prepared

Outdoor rearing trough (left) before countermeasures against otters, and wire mesh screens being prepared (right).

Vertical barriers

Vertical barriers

Hinged wire mesh screens Hinged wire mesh screens

Hinged wire mesh screens

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