Top 12 Smallest Animals In The World


Planet Earth has numerous species of animals that exist in all shapes and sizes. Let me list down some of the smallest animals in the world,

Smallest Animals In The World

1. Paedophryne amauensis (Smallest Frog)

Paedophryne amauensis is the smallest known frog species native to Papua New Guinea. It can grow upto the size of 7.7 mm (0.30 in) in length and hence the smallest vertebrate in the world. The frog species has been discovered by Louisiana State University herpetologist Christopher Austin in the year August 2009. Apart from Christopher Austin, his PhD student Eric Rittmeyer was also there while they exploring the biodiversity of Papua New Guinea. The frog species has been developed near Amau village in the Central Province and the name has been derived from this place only.

Also Read: Top 10 Most Strange Looking Birds In The World

Paedophryne amauensis

Image Source: Wikimedia


2. Paedocypris (Smallest Fish)

Paedocypris is one of the tiny cyprinid fish mostly seen in the swamps and streams situated in the Southeast Asian islands of Borneo, Sumatra and Bintan. This is one of the smallest fish in the world and measured approximately 7.9 mm (0.31 in), however, the largest known individual fish was 10.3 mm (0.41 in). Two species of the fish has been discovered by the ichthyologists Maurice Kottelat from Switzerland and Tan Heok Hui from the Raffles Museum of Biodiversity Research and the National University of Singapore in 1996, however, the osteology part of the fish has been studied by Ralf Britz at London’s Natural History Museum.

Also Read: 12 Deadliest Insects In The World

Paedocypris (Smallest Fish)

3. Slender Blind Snakes(Smallest Snake)

Slender Blind Snakes is a nonvenomous blind snake which is also known as slender blind snakes and thread snakes mostly seen in Africa. It looks similar to the earthworms and mostly are pink and brown in colour, howvever, their scales give them an amazing appearance. There are some species that are black in colour but the structure of the body is the same. The eyes of the snake look useless and hidden behind the protective head scale. It loves to spend most of the time in loose soil and comes out when it rains and floods.

Also Read: Top 10 Non-Venomous Snakes In The World

Slender Blind Snakes(Smallest Snake)

Image Source: Wikimedia

4. Kitti’s Hog-Nosed Bat (Smallest Bat)

It is also known as the bumblebee bat is one of the vulnerable species of bat and belongs to the family Craseonycteridae. It is mostly seen in western Thailand and southeast Myanmar where they are found in the limestone caves along rivers. The smallest species of bat and also the smalled mammal has a reddish-brown or grey coat with a distinctive pig-like snout. They are mostly seen in the colonies of 100 individuals per cave. The female used to give birth annually to a single offspring. The bat species is grown about 29 to 33 mm in length and 2 gm in mass. Talking about the appearance, the bat upperparts are reddish-brown or grey, however, the underside is generally paler.

Kitti's Hog-Nosed Bat (Smallest Bat)

Image Source: Wikimedia

5.Bee Hummingbird (Smallest Bird)

The smallest bird in the world, Bee Hummingbird is also known as Helena hummingbird native to Cuba and the Isla de la Juventud. The smallest living bird has different weight both for males and females. Male one can grow upto 5.5 cm in length and 1.95 g, howvever, the male’s weight approximately 2.6 g and has a length of about 6.1 cm. The male one is popular for its green pileum and bright red throat along with elongated lateral plumes but the rest of the part is mostly greyish white. The breeding season of the bird March–June and they lay upto 2 eggs at a time.

Cute Birds
Bee Hummingbird

6. Speckled Padloper Tortoise (Smallest Tortoise)

Speckled Padloper Tortoise is the world’s smallest tortoise that belongs to the family Testudinidae. It is also known as the speckled tortoise mostly seen in South Africa. The male’s species of Speckled Padloper Tortoise measures approximately 6 to 8 cm in length, however, the female’s one’s measures upto 10 cm. Talking about the appearance, Speckled Padloper Tortoise has a flattened shell with slightly serrated edges, however, the orange shell is covered with 100’s of black spots.

Speckled Padloper Tortoise

Image Source: Wikimedia

7. Etruscan Shrew (Smallest Mammal By Weight)

Etruscan Shrew also is known as the Etruscan pygmy shrew or the white-toothed pygmy shrew is the smallest mammal in the world by weight which measures approximately 1.8 grams on average. It has a body length of about 4 centimetres but it does not include the tail. It feeds on various small vertebrates and invertebrates that includes insects and also can hunt individuals of the same size. It is widely distributed in the areas of from Europe and North Africa up to Malaysia. They are also seen on the Maltese islands located in the middle of the Mediterranean sea.

Also Read: Top 10 Most Poisonous & Dangerous Snakes In The World

Etruscan Shrew (Smallest Mammal By Weight)

Image Source: Wikimedia

8. Madame Berthe’s Mouse Lemur (Smallest Lemur)

Madame Berthe’s Mouse Lemur also known as Berthe’s mouse lemur is teh smallest known mouse lemurs with an average body length of 9.2 cm and weighs around 30 g. The species is native to the Kirindy Forest in western Madagascar. It was discovered in the year 1992 seen in the dry deciduous forest of western Madagascar. Madame Berthe’s Mouse Lemur crown and ears are tawny in color, however, the area between the eyes is cinnamon in colour.

Madame Berthe's Mouse Lemur (Smallest Lemur)

Image Source: Wikimedia

9. Pygmy Marmoset (Smallest Monkey)

Pygmy Marmoset is the small monkey species of the New World monkey native to the rainforests of the western Amazon Basin in South America. The smallest monkey in the world and one of the small primates can reach over 100 grams in weight. It is mostly seen in the evergreen and river-edge forests and around 83% of the pygmy marmoset population loves to live in the group of two to nine individuals that includes one dominant male and a breeding female and around four successive litters of offspring.

Also Read: Top 15 Most Beautiful Fishes in the World

Smallest monkey in the world
Pygmy Marmoset

10. Pygmy Rabbit (Smallest Rabbit)

Pygmy Rabbit is a North American rabbit and the smallest leporid where adults weights around 375 to 4500 gms with a body length of 23.5 to 29.5 centimeters. Females are slightly larger than males. The species is different from other species by its small size and short ears. Also, it is grey in color and has small hind legs with lack of white fur on the tail. They are mostly seen in the southwestern Montana from the extreme southwest corner near the Idaho border north to Dillon and Bannack in Beaverhead County.

Pygmy Rabbit (Smallest Rabbit)

Image Source: Wikimedia

11. Thorius Arboreus (Smallest Salamander)

Thorius Arboreus commonly known as the Arboreal minute salamander belongs to the family Plethodontidae. It is mostly seen in the Sierra de Juarez, Oaxaca and Mexico. The name derives from the Latin word arbour that means tree which is a habitat of the animal species. The male species measures around 16.1 to 18.4 mm, however, the females one measure around 15.2 to 20.0 mm in snout-vent length. The head of Thorius Arboreus is relatively wide and the snout is bluntly pointed.

Thorius Arboreus (Smallest Salamander)

Image Source: Peter Paplanus (Flickr)

12. Hippocampus Denise (Smallest Seahorse)

Hippocampus Denise is also known as Denise’s pygmy seahorse or yellow pygmy seahorse is a seahorse that belongs to the family Syngnathidae native to the western Pacific. It is a small fish that can reach upto 2.4 cm in length and hence one of the smallest representatives of the seahorses. It is seen in various locations such as Indonesia, Vanuatu, Palau, Malaysia, the Solomon Islands and Micronesia and seen at depth of between 13 and 100 m.

Hippocampus Denise (Smallest Seahorse)

Image Source: Wikimedia

These are the smallest animals in the world. Kindly share and do post your comments.

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