The phrase "sand tiger" refers to a type of shark that lives in coastal waters. It has a sandy color and a ferocious appearance, but it is not harmful to humans. Full definition
When the scientists recovered the tags from two male sand tiger sharks in 2013, the downloaded data told an unexpected story. (sciencedaily.com)
In contrast, modern sand tiger sharks living today in the Atlantic Ocean are very intolerant of low salinity, requiring three times the saltiness of the Eocene sharks in order to survive. (sciencedaily.com)
The findings, published in the Nature journal Scientific Reports, could help researchers in future efforts to improve the life cycle of sand tiger sharks. (sciencedaily.com)