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Aug. 23/2023

 

Weird Animals – A List Of The World’s Strangest Species Part 2

4/4/2023 

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Giant Isopod

Scientific name: Bathynomus

Type of animal: Crustacean

Family: Cirolanidae

Where found: Deep-sea habitats worldwide

Giant isopods are large crustaceans found in deep-sea waters around the world. These large invertebrates have a distinctive appearance, with flat, oval-shaped bodies & 7 pairs of legs. Additional appendages are used for respiration & swimming.

These weird sea animals look like overgrown woodlice, which is unsurprising, because that’s (kind of) what they are; both they, & the woodlice you might find in your backyard, belong to the invertebrate order Isopoda.

Giant isopods are scavengers, feeding on dead or decaying animals that sink to the ocean floor. They can survive for long periods without food; over 5 years in the case of one captive individual.

Glass Frog

Type of animal: Amphibian

Family: Centrolenidae

Where found: Central & South America

Glass frogs are a family (Centrolenidae) of small frogs found in Central & South America. Glass frogs have a unique appearance, with transparent skin that allows their internal organs to be visible from the outside.

Currently, 157 species of glass frogs are recognized. 

Glass frogs are primarily arboreal, living in trees & shrubs near streams & rivers. The frogs attach their eggs onto plants that overhang a body of water. When the eggs hatch, the tadpoles fall into the water, where they continue their development.

Goblin Shark

Scientific name: Mitsukurina owstoni

Type of animal: Fish

Family: Mitsukurinidae

Where found: Deep sea habitats worldwide

Conservation status: Least Concern

The goblin shark is one of the world’s weirdest sharks. The species’ name comes from its distinctive looks; its long, protruding snout & needle-like teeth gives it a goblin-like appearance.

The goblin shark is an opportunistic feeder, using its long snout to detect & capture prey in the dark waters of the deep sea.

This deep-sea species is the only member of the family Mitsukurinidae, & is found in deep-sea waters around the world.

Hammer-Headed Bat

Scientific name: Hypsignathus monstrosus

Type of animal: Mammal

Family: Pteropodidae

Where found: Africa

Conservation status: Least Concern

Bats are quite a weird-looking group of animals. Due to their unique nocturnal, insect-catching behavior, many bats have unusual features, including extended noses or overlarge ears.

One of the weirdest bats is the hammer-headed bat, a species of fruit bat found in Africa. While the female of the species looks fairly normal, the male has a huge, box-like face & large lips. The male’s bulbous large head serves to amplify its mating calls.

Hammer-headed bats are mainly frugivorous (fruit-eating).

Hoatzin

Scientific name: Opisthocomus hoazin

Type of animal: Bird

Family: Opisthocomidae

Where found: South America

Conservation status: Least Concern

The hoatzin, also known as the stinkbird, is a weird bird found in South America’s Amazon & Orinoco basins.

The stinkbird has a distinctive appearance, with a spiky crest on its head & a patch of blue skin surrounding its eyes – but that’s not the only reason it has been included in this list of weird animals.

The hoatzin’s unpleasant nickname comes from the odor produced as a by-product of its unusual digestive system, in which leaves are fermented in a special area of its throat. No other bird digests its food in such a manner.

As if that weren’t enough, unlike nearly all other birds, infant hoatzins have claws on their wings that help them to climb back into the nest if they fall out.

This unique species is the only member both of the family, Opisthocomidae, & the order, Opisthocomiformes.

Japanese Spider Crab

Scientific name: Macrocheira kaempferi

Type of animal: Crustacean

Family: Inachidae

Where found: Pacific Ocean

Conservation status: Unassessed

The Japanese spider crab is both the world’s largest crab & the second-heaviest arthropod. Its leg-span measures a huge 3.7 m (12.1 ft), & an individual can weigh from 16 to 20 kg. (The world’s heaviest arthropod is the American lobster, Homarus americanus.)

This weird crustacean has long, spindly legs & a wide, flat body. It is primarily a scavenger, feeding on dead or decaying animals on the ocean floor. The species is known for its longevity, with some individuals living up to 100 years.

Japanese spider crabs are found in the seas around Japan.

Maned Wolf

Scientific name: Chrysocyon brachyurus

Type of animal: Mammal

Family: Canidae

Where found: South America

Conservation status: Near Threatened

The maned wolf is a type of canid (member of the dog family, Canidae) found in grasslands in South America. The species has long, slender legs, reddish-brown coat & shaggy mane, & is included in this list due to its weird, long-legged appearance.

Unlike its namesake the gray wolf, the maned wolf does not live in packs. It is an omnivore, hunting a variety of small to mid-sized animals & also eating plant matter, including a plant named the wolf apple Solanum lycocarpum – due to the maned wolf’s liking for its fruit.

Mata Mata

Scientific name: Chelus fimbriata

Type of animal: Reptile

Family: Chelidae

Where found: South America

Conservation status: Least Concern

The mata mata is a species of freshwater turtle found in the Amazon & Orinoco Basins in South America.

This South American reptile has a bizarre appearance. Its shell is almost 1 meter in length, & both it, & the animal’s exposed skin, are heavily ridged. The species’ long neck & large head have a flattened appearance. In addition, the turtle has a long, spike-like nose.

With its ridged shell & bumpy skin, the mata mata resembles a piece of floating bark, camouflaging the reptile from both predators & prey. It can remain motionless for long periods.

The mata mata is primarily carnivorous, feeding on invertebrates & fish, & (occasionally) on other small vertebrates.

Naked Mole Rat

Scientific name: Heterocephalus glaber

Type of animal: Mammal

Family: Heterocephalidae

Where found: Africa

Conservation status: Least Concern

One of the world’s weirdest rodents is the naked mole rat, a species found in the grasslands of eastern Africa.

Famed for its bizarre appearance, the naked mole rat has wrinkled, hairless skin & large, protruding teeth.

Naked mole rats live underground in large colonies consisting of a queen & numerous worker rats. This type of social living, which resembles that seen in bee & ant colonies, is known as eusociality.

These strange rodents are known for their ability to live in low-oxygen habitats, & have been recorded as being able to survive 18 minutes in an atmosphere that lacks oxygen entirely.

Narwhal

Scientific name: Monodon monoceros

Type of animal: Mammal

Family: Monodontidae

Where found: Arctic Ocean

Conservation status: Least Concern

The narwhal is a type of toothed whale found in the Arctic Ocean. It has a distinctive appearance, with a long, spiral tusk that can grow up to 10 ft. / 3 meters in length. Only male narwhals have tusks, which are an extension of the upper left canine tooth.

Narwhals are primarily carnivorous, feeding on fish, squid, & other small aquatic animals. They are also known for their ability to navigate through thick sea ice, using their tusks to break through the ice to breathe.

The narwhal belongs to the family Monodontidae, which contains just one other living species: the beluga whale.

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