How does this skate (Bathyraja richardsoni) measure up? Researchers use underwater equipment to estimate its size. The marks on the meter-long scale bars are 10 cm apart. The yellow ribbons show which way the current is flowing on the Mid-Atlantic Ridge.
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Measuring a Skate on the Mid-Atlantic Ridge
![Researchers use underwater equipment to measure a skate (Bathyraja richardsoni) on the Mid-Atlantic Ridge.](/sites/default/files/styles/3_2_large/public/2023-11/7-skate-full_0.jpg.webp?itok=39h6B4Ir)