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The rocky coast of Vietnam | © Terry Mucha/Shutterstock
The rocky coast of Vietnam | © Terry Mucha/Shutterstock
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11 Beautiful Creatures Found in Vietnam's Oceans

Picture of Sam Roth
Updated: 19 April 2018
With the attention paid to Vietnam’s vibrant cities, towering karst peaks, and picturesque rice paddies, it can be easy to forget that the nation has over 2,000 miles of coastline. From the islands of the south to the limestone lagoons of the north, these are the most incredible creatures found in Vietnam’s balmy seas.

Phu Quoc’s horned sea star

This odd spiked variety of starfish can be found throughout the shallows of Vietnam’s tropical seas. The black thorns protruding upward are used to scare off predators and startle tourists. However, they can cause no real harm. For your best shot to see one or many of these beautiful creatures, head to Phu Quoc and find the aptly named Starfish Beach.

Red Horned Sea Star | © almondd/Shutterstock
Red Horned Sea Star | © almondd/Shutterstock

Whale sharks of Nha Trang

Reaching lengths of over 40 feet and weights of more than 20 tons, the whale shark is one of the largest creatures in the sea. This gentle giant flocks to harbors and bays north of Nha Trang each spring to feast on the plankton and krill that habitually trap themselves between the islets.

Whale shark | © Chainarong Phrammanee/Shutterstock
Stunning whale sharks off Vietnam | © Chainarong Phrammanee/Shutterstock

Ambling ocean sunfish

The ocean sunfish or Mola mola can reach weights of over 2,000 pounds. The slow-moving giant has been caught all along Vietnam’s winding coastline, most notably in 2016 when a massive two-meter specimen found its way into a fishing net along the warm waters of the central coast. Not for eating, the endangered ocean giant was donated to Vietnam’s National Museum of Nature for further research.

Ocean sunfish | © feathercollector/Shutterstock
The odd ocean sunfish | © feathercollector/Shutterstock

Hunted hawksbill turtle

This critically endangered species is one of the five varieties of sea turtles found along Vietnam’s stretching coastline. The hawksbill can most often be spotted throughout the clear waters near Nha Trang. However, in recent years populations have declined significantly due to illegal fishing of the species. Police have uncovered smuggling operations throughout the nation that have left thousands of turtles dead.

Hawksbill Sea Turtle | © Rich Carey/Shutterstock
Hawksbill sea turtle | © Rich Carey/Shutterstock

Japanese flying squid

This spectacular squid can often be spotted in large groups off much of Vietnam’s coast. When they feel the presence of danger, the two-finned creatures forcefully expel water, creating a propulsion system capable of launching it nearly 100 feet clear across the sea to new-found safety.

Purpleback flying squid | © feathercollector/Shutterstock
Squid flying across the sea | © feathercollector/Shutterstock

Pinecone fish of the reefs

Found along Vietnam’s increasingly scarce coral reefs, the pinecone fish is one of the more interesting-looking additions to our list. A repeating pattern of thick, armored, yellow scales bordered by black runs the foot-long length of the body. At night, a bio-luminescent organ in the lower jaw produces a blue-green color.

The Pinecone fish | © Ekkapan Poddamrong/Shutterstock
The pinecone fish | © Ekkapan Poddamrong/Shutterstock

Con Dao’s green sea turtle

The remote and undeveloped islands of Con Dao are home to the largest turtle populations in Vietnam, including the green sea turtle. Between the months of May and October, hundreds of turtles crawl to the sandy, isolated beaches to lay their eggs. For your best opportunity to get a glimpse, head to Con Son Island and arrange a tour with Con Dao Turtle Tour through the national park’s office.

Green Turtle | © worldswildlifewonders/Shutterstock
Con Dao is home to all of Vietnam’s sea turtles | © worldswildlifewonders/Shutterstock

Finless porpoise in Ha Long Bay

Sometimes spotted in Vietnam’s iconic Ha Long Bay, this mammal is the only member of its family lacking a dorsal fin. As the fishing industries in Vietnam and other Southeast Asian nations have ballooned, the population of this smiling species has rapidly declined and today is very much at risk of being wiped out.

Finless Porpoise | © Takayuki Ohama/Shutterstock
The smiling finless porpoise | © Takayuki Ohama/Shutterstock

Spinner dolphins

Capable of surviving in brackish fresh and salt water, the Spinner Dolphin is an incredibly rare sight in Vietnam. Those lucky enough to spot a pod of the social mammals may be tipped off by the spectacular sight of the dolphins leaping through the air.

Stenella longirostris dolphin | © Gonzalo Jara/Shutterstock
Leaping spinner dolphins | © Gonzalo Jara/Shutterstock

Dugongs of the shallows

This amiable cousin of the Manatee can sometimes be spotted in the seas off of Phu Quoc or the shallows surrounding the Con Dao archipelago. The nation’s southernmost island has been home to the Dugong Festival to raise awareness of the endangered species prone to drowning in fishing nets.

Dugong dugon | © Alex Churilov/Shutterstock
A dugong relaxing in the shallows | © Alex Churilov/Shutterstock

Dangerous lionfish

Beautiful and as unfriendly as they get. If you spot one of the many lionfish drifting lazily through Vietnam’s tropical waters, be sure to keep your distance. This fascinating barbed fish may not look like danger, but it packs an extraordinarily painful punch, causing anything from vomiting and fever to paralysis of the limbs for those who come in contact with it.

Common lionfish | © Laura Dinraths/Shutterstock
Common lionfish | © Laura Dinraths/Shutterstock