zebrafish
Image of the Day: Embryonic Ripples
Image of the Day: Embryonic Ripples
The Scientist Staff | Jul 26, 2017
This fluttering clump of colorful cells is a zebrafish embryo, visualized by many stacked images.
Study: Fishing Induces Gene Expression Changes
Study: Fishing Induces Gene Expression Changes
Jef Akst | May 18, 2017
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.
Image of the day: Stylish Zebrafish
Image of the day: Stylish Zebrafish
The Scientist Staff | 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. 
Macrophages Physically Relay Signals Between Cell Types
Macrophages Physically Relay Signals Between Cell Types
Catherine Offord | May 1, 2017
Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.
Infographic: How the Zebrafish Got Its Stripes
Infographic: How the Zebrafish Got Its Stripes
Catherine Offord | Apr 30, 2017
Immune cells called macrophages shuttle cellular messages in the skin.
Image of the Day: Seeing in 5-D
Image of the Day: Seeing in 5-D
The Scientist Staff | Jan 17, 2017
A new imaging technique helps scientists see the interactions between molecules in this zebrafish embryo.
Fish Behavior Affected by Parasite
Fish Behavior Affected by Parasite
Kerry Grens | Aug 1, 2016
A common infection might be skewing experimental data on zebrafish.
Genome Digest
Genome Digest
Catherine Offord | May 17, 2016
What researchers are learning as they sequence, map, and decode species’ genomes
 
Circulating Tumor Cells Traverse Tiny Vasculature
Circulating Tumor Cells Traverse Tiny Vasculature
Tanya Lewis | Apr 18, 2016
Clusters of tumor-derived cells can pass through narrow channels that mimic human capillaries, scientists show in vitro and in zebrafish.
Water Bed
Water Bed
The Scientist Staff | Mar 1, 2016
See zebrafish engage in sleeplike behavior.