Zebrafish Brain Imaging
Zebrafish Brain Imaging - Related Videos
07:11
Live Imaging of the Zebrafish Embryonic Brain by Confocal Microscopy
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Cited by 27 •
2009
In this video, we demonstrate a method by which to analyze the developing vertebrate brain in live zebrafish embryos at single cell resolution by confocal microscopy. This includes the method by which we inject the single-cell zebrafish embryo and subsequently mount and image the developing brain.
03:06
In Vivo Imaging of Zebrafish Larval Brain for Visualizing Cerebellar Neurons
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2025
Source: Schramm, P. et al. In vivo Imaging of Fully Active Brain Tissue in Awake Zebrafish Larvae and Juveniles by Skull and Skin Removal. J. Vis. Exp. (2021)This video demonstrates the in vivo imaging of cerebellar neurons in transgenic zebrafish larvae, which express fluorescent proteins in Purkinje neurons. The process involves anesthetizing the larvae, immobilizing them in agarose, and carefully removing the pigmented skin to enhance light penetration and fluorescence intensity. Finally,...
03:22
Deep-Tissue Imaging of a Zebrafish Brain Using a Three-Photon Fluorescence Microscope
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2025
Source: Hontani, Y., et al. Deep-Tissue Three-Photon Fluorescence Microscopy in Intact Mouse and Zebrafish Brain. J. Vis. Exp. (2022)This video demonstrates the setup and execution of three-photon imaging in an anesthetized zebrafish brain. The protocol enables deep-tissue visualization of fluorescently labeled neurons, revealing real-time neuronal activity and structures for neuroscience research applications.
08:28
Zebrafish Brain Ventricle Injection
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Cited by 72 •
2009
After neural tube formation, the neuroepithelium constricts and folds while the tube fills with embryonic cerebrospinal fluid (eCSF) to form the embryonic brain ventricles. We developed this ventricle injection technique to better visualize the fluid filled space in contrast to the neuroepithelial shape in a live embryo.
05:11
Brain Cell Isolation from Zebrafish Larvae: A Technique to Obtain Intact Neurons, Macrophages, and Microglia from Zebrafish Brain Tissue
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2023
This video describes a protocol to isolate neurons, macrophages, and microglia from larval zebrafish brains by mechanically disrupting the brain tissue. The purified cell populations can further be used for genomic analysis.
FAQs
Fluorescent proteins and calcium indicators provide optical signals that let investigators follow different aspects of brain biology in living animals. Used with microscopy, they can support visualization of neural activity, brain structure, or cellular interactions across space and time. This makes it possible to connect cellular signals with circuit development, sensory responses, behavior, or disease-related changes.
Optical transparency allows researchers to observe zebrafish brain structures and signals in living embryos and larvae. Because the tissue can be viewed optically, imaging can extend across the brain rather than focusing only on an isolated region. That broad field of view supports relatively rapid whole-brain analysis and comparison of neural changes over time.
Calcium indicators are especially useful when the research question concerns neural activity. When combined with time-resolved microscopy, they allow investigators to follow activity as circuits develop, respond to sensory stimuli, or change during behavior. These observations help relate cellular or circuit-level dynamics to the animal’s developmental state or measured behavioral context.
Researchers coordinate living embryos or larvae, an optical label such as fluorescent proteins or calcium indicators, and a compatible microscopy approach, including confocal or light-sheet imaging. The selected combination should match the intended observation, whether the goal is structure, neural activity, cellular interactions, or changes tracked across space and time.
Researchers can apply it to examine how neural circuits develop, how the brain responds to sensory stimuli, and how activity changes during behavior. The same optical strategy can also support studies of neurodegeneration and drug responses. These uses make the approach relevant when a project needs observations that connect brain-wide cellular or circuit changes with a living animal’s state.
It enables researchers to observe living zebrafish while investigating changes associated with neurodegeneration, regeneration, or drug exposure. Imaging can show brain structure, neural activity, and cellular interactions, allowing these questions to be examined in relation to development or behavior. Its in vivo, whole-brain perspective helps connect local changes with broader neural responses.