Open Ocean | Coral Reef | Rocky Coast | Kelp Forest | Deep Sea | Salt Marsh | Polar Seas
[See images for credits.]
A giant ocean sunfish, or mola mola, cruises slowly through the water column. At the surface these unusual-looking fish will sometimes be mistaken for a shark because of their tall dorsal fins. Credit: Gulf of the Farallones National Marine Sanctuary
Swordfish are fast-swimming Open Ocean predators. Credit: NOAA Central Library
Tuna often travel in schools as they traverse the ocean. Credit: NOAA
Anchovies are important bait fish in many Open Ocean ecosystems. Credit: Gray's Reef National Marine Sanctuary
Herring are found in large schools throughout Open Oceans, Polar Seas, and other ecosystems. Credit: USGS/Mary Whalen
Billfish, such as this Striped Marlin, are important Open Ocean predators. Credit: NOAA Southwest Fisheries Science Center