The role of predictability in the stress response of a cichlid fish
In recent years there has been an increasing interest in the cognitive abilities of fish with implications for animal welfare and management of rearing operations. Although it is known that psychological factors can modulate the stress response in mammals, this aspect has seldom been investigated within stress in fish. In this study we investigate whether […]
Behaviour of proactive and reactive tilapia Oreochromis niloticus in a T-maze
Knowing that individuals with different coping strategies can exhibit different behaviours in associative learning, we evaluated the learning capacity of proactive and reactive tilapia fish. Trained and untrained, proactive and reactive, tilapia were subjected to a T-maze and their behaviour observed while searching for food using landmarks. Forty-four tilapia were first divided into reactive and […]