Bali marine life


Welcome to Southern Dreams Diving Club blog , where we want to share all our knowledge about marine life, as well as photos and videos we have been taken during all our dives in Bali.

Do you know that?

Located in the heart of the Triangle of the coral reef, Bali has over 393 species of coral and also 952 species of reef fish.

Bali is surrounded by not one, but two oceans, creating a unique biodiversity. In fact, it is a success recipe for an amazing dive experience!

The island offers some of the best dive sites in the world. In fact, around the island, divers find everything from rare macro critters to fascinating pelagic species, like for example the majestic manta rays, Bali has it all!

Marine Life in Bali

Ocean Sunfish (Mola Mola) – fun facts

Mola mola is the heaviest bony fish in the world reaching over  2,000 kgs in weight and over 4 meters from top to bottom and 3 meters wide!

Ocean sunfish go through the most extreme size growth of any vertebrate. From the time they hatch as little baby fish to full grown adults, their weight increases by over 600 million times.

Female sunfish hold the record for the greatest number of eggs of any vertebrate! In fact, sometimes one female, had over 300 million eggs. That is to say more than any vertebrate in the world.

Its brain is very small, even smaller than one of its two kidneys. 

Sunfish love sunbathing!

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Manta Ray – fun facts

Marine life in Bali

Manta rays, one of the largest fish in the world, are majestic, calm, peaceful and unique-looking fish.

Giant manta ray is the largest species of ray. In fact, the largest known specimen was more than 7 meters across, and weighted more than 2 tons.

Mantas have two sets of gills and must swim continuously to keep oxygenated water passing in order to breath.

They have one of the highest brain-to-body mass ratios and the largest brain size of all fish.

Unlike other rays, manta’s tail has lost its venomous sting for defence.

“Manta” means blanket or cloak in Spanish, describing the look of the animals’ large, flat, diamond-shaped bodies.

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Seahorse – fun facts

Marine life in Bali – seahorse

Seahorse are essentially monogamists. Even more, they take courtship very seriously!

Males are the ones carrying the eggs in its pouch. Therefore, they are also the ones giving birth. As soon as the babies are born they are on their own, completely independent.

Seahorse have no stomach or teeth, so they eat by sucking their food up through their snout. As a matter of fact, they have to eat constantly so they don’t starve.

Seahorse haw excellent eyesight! Even more, their eyes are able to work independently on either side of their head.

They are masters of camouflage. Seahorse can change colour very quickly in order to match any surroundings in which it finds itself.

Seahorse is poor swimmer. As a matter of fact, they stay on the same territory most of their lives.

They have a prehensile tail that allows them to anchor themselves despite strong currents.

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Pygmy seahorse – fun facts

Pygmy is the smallest species of seahorse in the world.

The first pygmy seahorse was not found in the sea, but in a laboratory. In fact, It happened in 1969, in Australia, and, completely accidentally. While studying gorgonian muricella, a scientist found two tiny bargibanti seahorse.

Bargibanti pygmy seahorse

It was the following year when they were scientifically cataloged for the first time.

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Humphead parrotfish – fun facts

Humphead parrotfish is the largest and also the heaviest of all parrotfish species. In fact, it can weigh up to 46 kilograms and reach a length of 1.3 meters! 

It changes colour and sex repeatedly throughout their lives and also, develops a hump on its foreheads as it matures.

Humphead parrot fish use a ­homemade pyjama! To clarify, they encapsulate themselves in a cocoon of mucus at night. Scientists think the cocoon masks their scent, making them harder for nocturnal predators, like for example sharks, to find.

It has two set of teeth. The front teeth are fused and shaped like a beak . It allows them to scrape off pieces of coral and also other food. In the other hand, it has inner pharyngeal teeth to crush the food once it’s in its mouth.

They eat primarily algae extracted from chunks of coral ripped from a reef. In fact, the hard material that does not provide nutritious food for them is pulverised and passed like feces. To clarify, yes, they poop sand. In fact, much of the sand in the parrotfish’s range is actually the ground-up, undigested coral they excrete.

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Would you like to learn more about marine life in Bali? More articles coming soon! Here you can watch some videos in advanced!

Anemone fish

Marine life in Bali – Blue Ringed Octopus

Marine life in Bali – Giant Moray Eel

Would you like to dive with us? Truth is, we are waiting for you!

Then, contact us