We associate nests with shelter, warmth, and a safe retreat – and usually picture a bird's nest made out of twigs, grass and feathers. Yet many other animals take advantage of such refuges, with nests ...

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Shell-dwelling cichlids take intense care of their offspring, which they raise in abandoned snail shells. A team at the Max Planck Institute for Biological Intelligence used 3D-printed snail shells to ...

Behavioural experiments in shell-dwelling cichlid fish reveal evolutionary adaptations in parents and offspring that control the timing of emergence from the nest. To mimic the empty snail shells that ...

What is important when you choose a home? Space, security, light – or a combination of these? Like humans, animals make choices about where to live that have important implications for their ...

The unique diversity of cichlids in Africa’s oldest lake could help unlock the secrets of evolution. Baby Haplotaxodon microlepis scramble for safety in their mother’s mouth. Like many cichlid species ...

Cichlids build nests from abandoned snail shells. A new study shows that while this behavior is instinctive, the fish become increasingly skilled at it with practice. We associate nests with shelter, ...

• Nest-building in fish: Shell-dwelling cichlids build nests from empty snail shells, using them for shelter and to raise their young. • Stereotypical behavioral sequence: The fish follow a set ...