Top 10 Smallest Fishes Discovered In The World!

The world is full of amazing creatures. We have already seen vast amounts of creatures around the world. Lots of them possess different kinds of heights and weights. Sometimes we just got astonished by seeing them in such kinds of weights or heights. In whatever way, we rarely have seen smallest creatures because those smallest creatures are mainly hiding behind deep of the sea or any arduous places that are too much confounding to reach. There is another reason behind we don’t see them very often. 

They are very flyspeck and little that it’s hard for us to bat our eyes on them. Sometimes, there are some tiny creatures we can’t even see with our open eyes. You can be amazed when you will learn that there are different fishes on the ocean, which are considered as the tiniest and smallest fishes in the world. Let’s check it out, which fishes cuts this list.

1. Dwarf Pygmy Goby 

The Dwarf Pygmy Goby or Philippine goby (Pandaka Pygmaea) is a subtropical species of fish from mangrove areas in Southeast Asia. It can only be found in subtropical waters in subtropical countries. It is known as one of the smallest fishes. It has full-grown males can reach up 1.1 cm while its female can reach highest 1.5cm.

Its mainland is Philippine. In Philippine, it’s also been known as ‘’Bia’’ and ‘’Tabios’’. Recently, Pandaka Pygmaea also is seen in Indonesia and Singapore. The look of this fish is so crystal clear. It looks so translucent and pale.

2. Paedocypris 

Another smallest fish founded in Southeast Asia. Paedocypris is a class of small cyprinid fish from Southeast Asian islands like Sumatra, Bintan. Paedocypris progenetica has been claimed to be one of the smallest species of fish in the world. The most little size female Paedocypris can be grown at highest 7.9 mm.

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The largest individual of this species grown was 10.3 mm. It’s an almost impossible thing to see these fishes swimming around. First of all, it’s too much tiny and this species only found in swamps and streams where watercolors are literally dark and shadowy.

3. Schindleria brevipinguis

Schindleria brevipinguis is kind of a fish which considered to be species of marine fish. It is indigenous to Australia’s Great Barrier Reef and to Osprey Reef in the Coral Sea. It is generally known as stout infant fish. Schindleria brevipinguis is one of the tiniest fish in the world along with Pandaka Pygmaea and Paedocypris.

Schindleria brevipinguis

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The male version of this fish can be reached at highest 7.7mm. The female version of S. Brevipinguis can be reached at highest 8.4mm. The highest length of this species usually can be reached at 10mm.

4. Knipowitschia

Knipowitschia is a small fish species is claimed to have initiated in Eurasia. Knipowitschia is a class of the marine group. Knipowitschia can be found in fresh waters and brackish waters in Eurasia. The family of Knipowitschia is Gobiidae and subfamily is Gobiinae.


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It is also known as Dwarf gobies. Dwarf gobies which live in the Indian Ocean usually reach 1 cm in length. It is an animal of Animalia kingdom though.

5. Jawfish

The Jawfishes are generally found in the Pacific Ocean. It can also be found in tepid parts of the Atlantic and the Indian Ocean. The scientific name of Jawfish called ‘’Opistognathidae’’. The species-level taxonomy is decomposable, and the family comprises several undescribed taxon. Jawfishes are physically comparable with Blennies. Jawfish species can be up to 10 cm with extended parts of the body.


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But, there are some different Jawfish called as ‘’Giant Jawfish’’ who possess comparatively large body parts and can grow up to 0.5 m. Jawfishes usually stay in the lair; they dig up at grainy places. Jawfishes generally extends their species through oral incubation. The pregnancy time can vary regarding different species. Their kingdom is Animalia and phylum is Chordata.

6. Dartfish

Dartfish is a subfamily. They are saltwater fishes because their body parts are made from salty waters, and they can’t survive without saltwater places. The scientific name of Dartfishes is Nemateleotris magnifica. They are an animal from kingdom Animalia, and their class is Actinopterygii.


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They are now considered as a subfamily of Microdesmidae family. Before considering as a subfamily, they were raised to family status and now redistributed as a subfamily. They ordinarily look reddish.

7. Firefish

There is a little difference between Dartfish and Firefish. The firefish goby is a great little fish for a reef tank. It could be a magnificent addition to a reef tank. It doesn’t harass other fishes or corals. Firefish usually spend the whole day by flying around the tank.


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It can reach up to highest length 3.0’’ which makes it as one of the smallest fishes around the world. The fish possess a yellow shaded head, and its subsequent part is the reddish type look.

8. Ocellaris Clownfish

Have you seen the film ‘’Finding Nemo’’ and its sequel ‘’Finding Dory’’? The popular characters of Martin and his son Nemo from the Hollywood animation blockbuster series were named after Ocellaris Clownfish. It is also known as ‘’Common Clownfish’’. It is a marine fish and associating to the family Pomacentridae. The binomial name of Ocellaris Clownfish is ‘’Amphiprion ocellaris’’.

Ocellaris Clownfish

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It grows up to 11 cm which makes it another member of the smallest fish world. This species can be found in the Eastern Indian Ocean and Western Pacific Ocean.

9. Royal Gramma

Royal Gramma is one of the smallest but one of the most beautiful, colorful, appealing fish in the world. Royal Gramma also known as ‘’fairy basslet’’. It can be found in the tropical western Atlantic Ocean. They are also very popular for aquarium cuz of their catchy looks.

Royal Gramma

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They are also one of the most congenial fishes around and literally does no harm to others. They are so easy to fodder and mostly eat flakes.

10. Neon Goby

Neon Goby, usually known as ‘’Elacatinus’’ is a class of small marine gobies. They can be found in tepid parts of West Atlantic, including the Caribbean and Gulf of Mexico.

Neon Goby

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They generally grow up to 2.5 cm. They mainly eat ectoparasites and their kingdom is Animalia.

Joe Carrow

Being passionate about fishing, I have spent a plenty of time in the fishery. That is why lately I have determined to share my experience and feeling with my friends and followers through my site. It is my high expectation that my lovely site will help the freshers splendidly!

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