#FISH OF THE DAY: Redtail catfish! Native to the Amazon, Orinoco, and Essequibo river basins in South America, this slow moving bottom dweller is an opportunistic feeder, eating anything they can fit in their large mouths. They are a prized food fish and also a popular sport fish.

#FISH OF THE DAY: French Angelfish! Forming bonded pairs when they are young, this fish mates for life and protects it's territory with it's mate. They often tend "cleaning stations," where they clean and eat ectoparasites off a variety of other fish.

#FISH OF THE DAY: Longhorn Cowfish! Related to boxfish, this fish reaches lengths of 18 inches. They have a unique way of swimming, called ostraciiform locomotion, which makes them look as if they are hovering in the water. They release toxins into the water when stressed, and have poisonous flesh.

#FISH OF THE DAY: Great Hammerhead! 1 of 9 hammerhead species, this fish is the largest, reaching lengths of 20ft. Often fished for their large fins that are illegally sold, they are critically endangered and have a mortality rate of 90% when caught.

#FISH OF THE DAY: Humpback anglerfish! Living in the deep sea, these fish have large mouths and stomachs, allowing them to swallow any prey they come across. The light on its head is filled with bacteria that glow in the dark, and its used to attract both food and potential mates.

#FISH OF THE DAY: Zebra Shark! Once thought to be two different species, this fish starts out with black and white stripes when they are young that fade as they age. Very docile, they spend most of their time resting on the seafloor and typically eat small fish and crustaceans.

NOT #FISH OF THE DAY: Baiji! One of the first species of dolphins to possibly go extinct due to human actions, this mammal is native to the Yangtze River in China. With squinty eyes and poor eyesight, they relied on enhanced acoustic abilities to see and navigate.

NOT FISH OF THE DAY: Chambered Nautilus! Related to squids and octopuses, this cephalopod ages extremely slow compared to its cousins, living up to 20 years! The biggest threat to this species is overharvest due to the large international market for their beautiful shells.

#FISH OF THE DAY: Australian Ghost Shark! Belonging to a family called 'Chimaera' that branched off from sharks, this fish uses its long snout to search the sand for food. Equipped with a dangerous spine on its first dorsal fin, it uses this spine to protect itself from predators.

#FISH OF THE DAY: Sawfish! There are 5 species of sawfish, the largest growing up to 23 feet in length! They may look like sharks, but they are actually a type of ray, and their long rostrum is equipped with razor-sharp rostral teeth and sensitive pores.

#FISH OF THE DAY: Whale shark! This carpet shark is the largest extant fish in the world, reaching lengths up to 40 ft. Unlike other carpet sharks, this fish lives in the open ocean and filter feeds. Whale sharks have tiny teeth that cover their eyes to protect them from the ocean

FISH OF THE DAY: American Paddlefish! Growing up to 7 feet in length, the American Paddlefish has a long, paddle like rostrum that hold their taste buds. They only feed on plankton and have a cartilaginous body like a shark, swimming in our rivers for over 300 million years!

#FISH OF THE DAY: Giant Oceanic Manta Ray! The world's largest ray, it has a wingspan of up to 26 ft. Valued in foreign markets for their gill plates, they have been reduced in numbers due to targeted fishing and are now listed as a threatened species.

#FISH OF THE DAY: Leafy Sea Dragon! Relying on their excellent camouflage for protection from predators, this fish can grow up to 1 foot in length. Like seahorses, male fish of this species care for fertilized eggs but keep the eggs under their tail rather than inside a pouch.

#FISH OF THE DAY: Rainbow Trout! Closely related to salmon, they are also called steelhead trout. Steelhead is the name for the ocean bound, migrating fish of the same species, able to move in and out of fresh water to spawn. They can jump up to 11 ft and swim up to 25 mph!

#FISH OF THE DAY: Amu Darya Sturgeon! Critically endangered, this fish is small, reaching only 30 inches in length and weighing up to 4.5 lbs. There have been attempts to breed this fish in captivity in hopes of restocking wild populations, but none have succeeded.

#FISH OF THE DAY: Bighead Carp! Growing up to 60 inches in length, this fish is native to rivers in southern and central China. They are plankton eaters, and pose a threat to many ecosystems around the world where they have been introduced as an invasive species.

FISH OF THE DAY: Barred Mudskipper! Found in tropical mangroves, this fish is one of 23 extant species of mudskipper! Reaching 10 cm in length, it closes its gill covers to retain moisture, allowing it to spend extended periods of time out of the water.

FISH OF THE DAY: Pilot Fish! Forming mutualistic relationships with sharks, they rely on the shark for protection from predators while cleaning parasites and dead skin cells off the shark. It was once thought that sharks needed these fish to guide them to new food sources.