Tetraodon abei, sometimes called Abei Puffer or Abe's Puffer, is an aggressive

Aggressive

“Aggressive” is a New York-based Grammy award-winning music video and commercial directing team of Alex Topaller and Daniel Shapiro.Aggressive has been described by Movie Creation Mag as “having a fascination with the wonderful, in the likes of the surrealist Rafal Olbinski” and “tenacious about...

 and territorial

Territory (animal)

In ethology the term territory refers to any sociographical area that an animal of a particular species consistently defends against conspecifics...

 freshwater

Freshwater

Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...

 pufferfish

Pufferfish

Tetraodontidae is a family of primarily marine and estuarine fish of the Tetraodontiformes order. The family includes many familiar species which are variously called pufferfish, balloonfish, blowfish, bubblefish, globefish, swellfish, toadfish, toadies, honey toads, sugar toads, and sea squab...

 from the Mekong

Mekong

The Mekong is a river that runs through China, Burma, Laos, Thailand, Cambodia and Vietnam. It is the world's 10th-longest river and the 7th-longest in Asia. Its estimated length is , and it drains an area of , discharging of water annually....

 river basin in Southeast Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

.

They are molluscivore

Molluscivore

A molluscivore is a carnivorous animal which eats mainly molluscs. The term durophagy is used to describe this eating behavior.Several species of pufferfish and loaches fit this category...

s, using the beak

Beak

The beak, bill or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young...

-like teeth to break open the shell of the prey. They are also opportunistic piscivores.

Maximum length is 10 cm. Numerous pale spots are uniformly distributed over a dark background. The spots are orange in certain live specimens.

It has been speculated that this fish belongs to an unofficial group of freshwater pufferfish

Pufferfish

Tetraodontidae is a family of primarily marine and estuarine fish of the Tetraodontiformes order. The family includes many familiar species which are variously called pufferfish, balloonfish, blowfish, bubblefish, globefish, swellfish, toadfish, toadies, honey toads, sugar toads, and sea squab...

 called target puffers or Tetraodon leiurus group. The systematics of this group are subject to scientific controversy and will remain so until adequate fundings for a revision can be found.
Other pufferfish associated with the Target Group are: Tetraodon leiurus

Tetraodon leiurus

Tetraodon leiurus is a species of Tetraodon, the largest genus in the pufferfish family, found across Asia from Thailand to Indonesia and in particular the Mekong basin. It is occasionally imported into the aquarium trade but is reported to be aggressive and snappish.-Characteristics:T...

, Tetraodon cochinchinensis

Tetraodon cochinchinensis

Tetraodon cochinchinensis is a species of Tetraodon, the largest genus in the pufferfish family....

, Tetraodon turgidus, Tetraodon hilgendorfii, Tetraodon cambodgiensis

Tetraodon cambodgiensis

Tetraodon cambodgiensis is a species of Tetraodon, the largest genus in the pufferfish family....

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In the aquarium this fish is very aggressive.

External links

• Pictures of Tetraodon abei