A database of CRISPR/Cas9 target sequences that have been experimentally validated in zebrafish. CRISPRz can be searched using multiple inputs such as ZFIN IDs, accession number, UniGene ID, or gene symbols from zebrafish, human and mouse. CRISPRz was developed in an effort to provide a comprehensive list of validated CRISPR targets from published sources as well as from an ongoing genome-wide knockout project in the zebrafish genome. Data will be added as more validated CRISPR targets are published or contributed from unpublished, in-house projects. The database is also open for data submission from the research community.