Fish
Whether stream or ocean, the diversity and science of fish goes deep. This is the latest on the science of swimmers.
Latest in Fish
![Starfish Can See!](https://www.popsci.com/wp-content/uploads/2019/03/18/QPO4BAIIE6D2YZWM7NYU6BBGDM.jpg?w=497)
Animals
Starfish Can See!
![10 Stunning Underwater Photos](https://www.popsci.com/wp-content/uploads/2019/03/18/DT2NGU7T6P4VAXLL2YPRTUCUEE.jpg?w=525)
Animals
10 Stunning Underwater Photos
![This Weird Fish Has Clear Blood](https://www.popsci.com/wp-content/uploads/2019/03/18/LBYY6SR3SQW4K5UHKHFKW2BYPQ.jpg?w=675)
Animals
This Weird Fish Has Clear Blood
![Spookfish Uses Mirrors for Eyes](https://www.popsci.com/wp-content/uploads/2019/03/18/33ZYUO5GO55OEDS2OQUXTZFVIE.gif?w=400)
Animals
Spookfish Uses Mirrors for Eyes
![Lumpfish Close Up](https://www.popsci.com/wp-content/uploads/2019/03/18/M5YP7XWBRAJYAOSA42DZNTWRHE.jpg?w=600)
Animals