Three months back, I also had the curiosity to know “Which is the Smallest Fish In The World?”
And guess what – there’s is not a single “Blog” that can solve my curiosity. But, don’t worry – In this blog, I’ve included the top 10 smallest fish in the world.
List Of The Top 10 Smallest Fish In The World With Size
Here is the List Of The Top 10 Smallest Fish In The World With Size.
| Fish Species | Size |
| Paedocypris Progenetica | 1.1 cm |
| Stout Infantfish | 1.6 cm |
| Photocorynus Spiniceps | 1.2 cm |
| Dwarf Pygmy Goby | 1.4 cm |
| Midget Dwarf Goby | 1.1 cm |
| Leptophilypnion Fittkaui | 2.6 cm |
| Leptophilypnion Pusillus | 1.9 cm |
| Schindleria Brevipinguis | 2.5 cm |
| Danionella Draconis | 1.5 cm |
| Eviota Miniscula | 0.8 cm |
Note: The sizes listed in the above table are the longest lengths ever measured for these species till August 2023.
1. Paedocypris Progenetica
The Paedocypris Progenetica is the smallest fish in Southeast Asia. They are small, but they have important roles in our environment.
- Scientific Name: Paedocypris Progenetica
- Size: Female: 7.9 mm, Male: 7.8 mm
- Diet: They eat small animals & plants in the water where they live.
2. Stout Infantfish
The Stout Infantfish is the littlest fish that lives in the waters of Australia & New Zealand. They have a round body & an orange stripe on their sides & can bury themself in the sand to stay safe.
- Scientific name: Auchenionchus Microcirrhis
- Size: Can grow up to 12 cm
- Diet: They eat small bugs & sea creatures.
- Behavior: I saw this fish in my school & can say this species is not aggressive.
3. Photocorynus Spiniceps
The Photocorynus Spiniceps (barreleye fish) is the smallest fish in the ocean of the Atlantic & Pacific Oceans. They have special eyes that can turn upwards which helps them to see in the dark waters.
- Diet: They eat small tiny aquatic animals like small shelled creatures & other animals without a backbone.
4. Dwarf Pygmy Goby
The Dwarf Pygmy Goby is the smallest fish that lives in Southeast Asia in both freshwater & brackish water. Even though they’re small, they are loved by people who keep aquariums.
- Scientific name: Pandaka Pygmaea
- Size: Up to 1.4 cm
- Diet: They eat small animals & plankton.
- Behavior: The Dwarf Pygmy Goby is a friendly fish that likes to live with friends.
5. Midget Dwarf Goby
The Midget Dwarf Goby is worlds smallest fish from Southeast Asia. They can live happily in small aquariums if you take care of them.
- Scientific name: Trimmatom Nanus
- Size: Up to 1 inch
- Diet: They eat both small animals & plants.
- Behavior: I saw them live alone & they’re protective of their space.
6. Leptophilypnion Fittkaui
Leptophilypnion Fittkaui is the smallest fish in the ocean of Atlantic. They have a long, slim body & a long, pointed nose. They can survive in very deep waters where there is not much light or food.
- Scientific name: Leptophilypnion Fittkaui
- Diet: They eat small insects & baby creatures from the water.
- Size: Can grow up to 2-3 inches
- Behavior: They can swim & live happily together with other fish.
7. Leptophilypnion Pusillus
The Pygmy Sleepfish is worlds smallest fish that lives in the western Atlantic Ocean. They can change their color to match their surroundings.
- Scientific Name: Leptophilypnion Pusillus
- Size: Can grow up to 1-2 inches
- Diet: They eat small animals & plants.
- Behavior: They can hide in water plants easily & can protect themself from other fish that might want to eat them.
8. Schindleria Brevipinguis
The Schindleria Brevipinguis is the smallest fish in the ocean near Australia & New Zealand. They have a short & stout body.
- Scientific name: Schindleria Brevipinguis
- Size: Up to 2.5 cm
- Diet: They eat small animals in water.
9. Danionella Draconis
Danionella Draconis is the littlest fish from Myanmar. They are known for their red & blue colors, which make it a favorite for people who have aquariums. They are small and calm, so you can keep them with other small fish in tanks.
- Scientific Name: Danionella Draconis
- Size: Up to 1 inch
- Diet: They eat both live & frozen foods that are small in size.
- Behavior: Peaceful & active
10. Eviota Miniscula
Eviota Miniscula is a very small & colorful fish that lives in the western Pacific Ocean. They have bright orange & blue markings.
- Scientific name: Eviota Miniscula
- Size: Up to 1.5 cm
- Diet: They eat mostly small sea creatures like shrimp and floating animals.
Read More:
What is Rohu Fish Called in the USA?
Are Blue Catfish Bad for a Pond?
Source:
https://en.wikipedia.org/wiki/List_of_smallest_fish
Conclusion
In summary, the 10 smallest fish in the world are amazing creatures that show a wide range of marine life. From tiny Paedocypris petrogenetic to pygmy goby, these fish show nature’s ability to adapt and survive. Even though they are small, they play a big role in the ecosystem. For more fish blogs, again visit animalquick.
FAQs
What is the first smallest fish?
The first smallest fish is the Paedocypris Progenetica, which measures about 7.9mm.
What is the smallest fish in India?
The smallest fish in India is the Paedocypris Progenetica, which can grow as small as 7.9 mm.
Which is the smallest fish ever caught?
The smallest fish ever caught was a 5.5-millimeter stout Flocculose boxfish.
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Now, I write about my adventures & all the amazing things I learned. My blogs are easy to understand & make you want to know more about animals. I teach about why animals are important & why we should take care of them.
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