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The Asian arowana (Scleropages formosus) comprises several phenotypic varieties of freshwater fish distributed geographically across Southeast Asia. [3] While most consider the different varieties to belong to a single species, [4] [5] [6] [3] [7] work by Pouyaud et al. (2003) [8] differentiates these varieties into multiple species.
Asian arowana is an endangered species and banned in the United States. It is a status symbol among wealthy Asian men. An albino arowana sold for a record price of $300,000 in 2009. [8] Most pet arowana are farmed behind high-security fences. Arowanas are solitary fish and only allow company while young; adults may show dominance and aggression.
There are 111 lizards known from Sri Lanka, with 17 newly discovered in 2006, and two more in 2016 and 2017. [ 11 ] [ 12 ] One of species was discovered in 2019 from Ensalwatta, Matara. [ 13 ] In 2019, seven more endemic day geckos have been discovered by Suranjan Karunaratne and Mendis Wickramasinghe.
National Zoological Gardens of Sri Lanka (also called Dehiwala Zoo or Colombo Zoo) is a zoological garden in Dehiwala, Sri Lanka, founded in 1936. It is home to various birds, mammals, reptiles, fish and amphibians. The zoo not only exhibits animals from Sri Lanka, but also from across Asia and other parts of the globe.
Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the world. There are approximately 2 million known species of arthropods, and this number continues to grow. Thus, it is difficult to determine the exact number of Odonata species within particular ...
Sri Lanka is known to be home to 794 species of Hemipterans. Detailed work of Sri Lankan hemipterans are recorded in the book Catalogue of Hemiptera of Sri Lanka. Sri Lanka comprises 74 species in 46 genera and 6 families of aphids within the order Hemiptera. 2 endemic aphid species are found on Sri Lanka
The silver arowana (Osteoglossum bicirrhosum) is a South American freshwater bony fish of the family Osteoglossidae. Silver arowanas are sometimes kept in aquariums, but they are predatory and require a very large tank. [2] The generic name Osteoglossum means "bone-tongued" and the specific name bicirrhosum means "two barbels" (from the Greek ...
In January 2019, the new species, P. conniffae was discovered in southern Sri Lanka. [10] Sri Lanka has the highest percentage of extinct and threatened amphibian species in Asia. [2] In the 20th century the country has lost 20% of its amphibians and more than half of the remaining species are on the verge of extinction. Of the world's 34 ...