Scientists demonstrate self-awareness in fish

Mirror self-recognition (MSR) is seen as evidence for self-awareness and passing the mark test, in which animals touch or scrape a mark placed on their body in a location that can only be indirectly viewed in a mirror, is ...

Behaviour study shows rats know how to repay kindness

If I scratch your back and you scratch mine, then we're both better off as a result – so goes the principle of reciprocity, one of the most popular explanations for how co-operative behaviour has evolved. But what if one ...

Familiarity breeds contempt in cleaner fish

(PhysOrg.com) -- Familiarity with your partner is usually thought to promote teamwork, but new research has found that on coral reefs at least, female cleaner fish are more cooperative with unfamiliar males than their ...

Cleaner fish from salmon farming affect wild populations

A growing demand for cleaner fish in salmon farms raises concerns about overfishing and human-mediated geneflow to wild populations. A recent study reveals that up to 20 percent of the local populations of corkwing wrasse ...

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