Clown tangs (Acanthurus lineatus) combine vibrant pops of color with equally expressive personalities. Put the two together, and you get delightful saltwater fish that top the charts in popularity. …

#SharkWeek shoutout to all the flat sharks skating by and raysing the roof on sharky adaptations! Wait, flat sharks? Yes! Skates and rays are elasmobranchs like sharks who share …