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image: Image of the Day: Fish Avatars for Cancer

Image of the Day: Fish Avatars for Cancer

By | September 11, 2017

Zebrafish larvae transplanted with patients’ tumors respond as their human donors do to chemotherapy.

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image: Fish Smell ATP to Find Food

Fish Smell ATP to Find Food

By | September 1, 2017

Sensory neurons in the tip of the zebrafish nose respond to molecular signals released from food sources.

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image: Video: Swimming with Virtual Swarms

Video: Swimming with Virtual Swarms

By | August 21, 2017

Researchers track a fish in a virtual-reality system as it responds to projections of other fish of the same species.

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image: Virtual Reality for Freely Moving Animals

Virtual Reality for Freely Moving Animals

By | August 21, 2017

Experiments that place untethered fish, flies, and mice in simulated environments give clues about the animals’ social behavior.

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image: Zebrafish Embryos Survive Deep Freeze and Quick Thaw

Zebrafish Embryos Survive Deep Freeze and Quick Thaw

By | July 28, 2017

In a first, scientists reanimate the fish using embedded gold nanoparticles that heat up cells by absorbing laser light.

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image: Image of the Day: Reunited and It Feels So Good

Image of the Day: Reunited and It Feels So Good

By | July 28, 2017

Zebrafish have a remarkable ability to heal their damaged nerve fibers following a spinal injury.

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image: Image of the Day: Embryonic Ripples

Image of the Day: Embryonic Ripples

By | July 26, 2017

This fluttering clump of colorful cells is a zebrafish embryo, visualized by many stacked images.

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Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

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image: Image of the day: Stylish Zebrafish

Image of the day: Stylish Zebrafish

By | May 3, 2017

Zebrafish, Danio rerio, develop patterns of colorful stripes on their skin thanks to pigmented cells—dark melanophores, orange-gold xanthophores, and iridescent iridophores. 

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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