Aquatic Alphabet - R

A type of aggressive shark with a torpedo-shaped body, found in tropical and temperate waters around the world.

The smallest and most common type of Arctic seal. They can live in areas completely covered in ice by digging breathing holes and carving lairs.

This species of seal tends to be solitary, while generally living in densely packed ice. It is known for having disproportional large eyes.

A superorder of cartilaginous fishes known for their disk-like bodies and elongated tails.

A game fish found across the Atlantic ocean, with a generally red body except for noticeable black spots near or on its tail.

They can be eaten, though their taste is bland and their aftertaste is horrible.

While they mature from being a larvae to an adult, their fins change drastically. Specifically, their dorsal and anal fins shrink, and their pelvic fins dissapear.

Also known as grenadiers, this fish comes from the subfamily Macrouridae, which is believed to represent around 15% of the deep-sea fish population.

A species of dolphin with a bulbous head shape. A famous dolphin of this species is Pelorus Jack, who traveled with ships navigating the Cook Strait in New Zealand between 1888 and 1912.

This is the largest species of king crab, and is Alaska's largest shellfish fishery.

Ancient sailors believed they could slow down or halt ships by attaching to them. They use the sucking discs on the top of their head to attach to sharks and turtles for rides.

Also called slimeheads, this species of fish is one of the longest-lived animals known, with a maximum reported age of 149 years.

It is commonly eaten in South Asia, such as being fried and seasoned. Consumption of the fish can prevent Osteoporosis, thanks to its high concentration of Vitamin D.

Their name comes from the seven long spines on their dorsal fin. They are popular sport fish on the west coast, and have a bluish-silver coloring on their head and body.

Native to waters in West and Central Africa, this slender fish is also known as the "reedfish". Males are usually more olive-green while females are yellowish-brown.

These sharks are poorly known and researched by scientists. They were thought to be extinct up until the 20th century, when some were found near Borneo and Australia.

They are overall colored in speckled brown, to blend in with the surface of live rock and algae.

These fishes are silver in color, with a long red dorsal fin stretching over the entirety of their back.

It has a long and thin shape for its brown shell, and a large muscular foot and protrudes out of the shell. The muscular foot allows it to quickly dig, swim, and jump.