Top 10 smallest fish species in the world

Wednesday, 03/01/2024 | 05:55 UTC-5

Several fish species are known for their diminutive size. 10 species of fish are super tiny in size...

  1. Paedocypris progenetica: Found in the swamps of Sumatra, Indonesia, this species is often considered the smallest fish in the world, with females reaching sizes of about 7.9 mm.

    Paedocypris progenetica

  2. Schindleria brevipinguis (Stout Floater): This species, found in the Great Barrier Reef and in the waters around Australia and New Caledonia, is one of the smallest vertebrates, reaching lengths of around 7-8 mm. 

    Schindleria brevipinguis (Stout Floater)

  3. Trimmatom nanus: Native to the western Pacific, Trimmatom nanus is a tiny goby species that grows to only around 8 mm in length. 

    Trimmatom nanus

  4. Pandaka pygmaea: Also known as the dwarf pygmy goby, this fish is found in freshwater habitats in Southeast Asia and typically grows to around 8 mm. 

    Related: Top 10 largest underwater animals in the world

    Pandaka pygmaea

  5. Dario hysginon: Known as the Scarlet Badis or Scarlet Gem Badis, this small freshwater fish is native to India and Bangladesh, with males reaching around 15-20 mm. 

    Dario hysginon

  6. Leptophilypnion pusillus: Found in South America, this tiny fish is part of the family Eleotridae and reaches lengths of about 8-10 mm. 

    Leptophilypnion pusillus

  7. Nannostomus marginatus (Dwarf Pencilfish): Native to South America, these pencilfish typically grow to around 15-20 mm and are known for their slender appearance. 

    Nannostomus marginatus (Dwarf Pencilfish)

  8. Danionella translucida: These translucent fish, native to Myanmar, are small and delicate, with adults typically reaching lengths of about 12 mm. 

    Danionella translucida

  9. Pandaka lidwilli: This tiny freshwater fish is found in northern Australia, and the males are known to reach lengths of around 12-14 mm. 

    Pandaka lidwilli

  10. Stiphodon semoni: This small goby species, native to freshwater streams in Indonesia, grows to approximately 15-20 mm in length.

    Stiphodon semoni

Please note that the sizes mentioned are approximate and can vary based on factors such as age, gender, and environmental conditions. New reviews may have changed shortly after the success of this article./. 

FAQs:

What is the 2 smallest fish?

Summary of the Top 8 Smallest Fish in the World

Rank Fish
1 Photocorynus spiniceps
2 Stout Infantfish
3 Paedocypris progenetica
4 Dwarf pygmy goby

What fish lives 59 days?

sigillata

sigillata has a maximum total lifespan of 59 days, with a maximum post-settlement lifespan on the reef of just 35 days, of which at least 10 are taken to reach sexual maturity (Figure 1B).

What is the rarest fish?

The Devils Hole Pupfish

The Devils Hole Pupfish is the Rarest Fish in the World

There is so much to write home about the Devils Hole pupfish and its crazy-alluring environment, so—please—read on! But if you take away one thing—and one thing only—let it be this: it's the rarest fish in the whole world.

What is the smartest fish?

Every family has an overachiever. For fish, that title goes to manta rays. They're giant, charismatic and basically geniuses. Mantas have huge brains — the biggest of any fish — with especially developed areas for learning, problem solving and communicating

What is the oldest fish alive today?

Methuselah

If Methuselah sounds like a grand old dame, it's because she is: she is the oldest living fish in captivity, aged somewhere upwards of 92 and potentially as high as 101 years. She arrived on a steamship from Australia along with 230 other fish to the Steinhart aquarium in San Francisco in 1938 as a young, small fish.

What fish was 500 million years ago?

Metaspriggina was first discovered and named in 1993 as it was thought then to be related to Spriggina from the Ediacaran fauna of Australia, dated at 560 million years old. The new fossils display rare soft tissue features such as stained impressions of the heart, liver, gut and circulatory vessels.

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