Abstract

Zebrafish (Danio rerio) is a newly emerged vertebrate animal model with a conserved gross architecture of the brain and a rich repertoire of behaviors. Due to the optical transparency and structural simplicity of its brain, larval zebrafish has become an ideal in vivo model for dissecting neural mechanisms of brain functions at a whole-brain scale based on a strategy that spans scales from synapses, neurons, and circuits to behaviors. Whole-cell patch-clamp recording is an indispensable approach for studying synaptic and circuit mechanisms of brain functions. Due to the small size of neurons in the zebrafish brain, it is challenging to get whole-cell recordings from these cells. Here, we describe a protocol for obtaining in vivo whole-cell patch-clamp recordings from neurons in larval zebrafish.

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