| Nomorhamphus towoetii | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Beloniformes |
| Family: | Zenarchopteridae |
| Genus: | Nomorhamphus |
| Species: | N. towoetii |
| Binomial name | |
| Nomorhamphus towoetii Ladiges, 1972 | |
Nomorhamphus towoetii is a species of fish in the family Hemiramphidae.
Nomorhamphus towoetii is endemic to Indonesia. This species can be found in a freshwater system. Facts and information about the population trends about this species are limited and not details are lacking about population. This species is recorded to be found in the Lake Towuti system in central Sulawesi, Indonesia. It is considered to be an endangered species due to the fact that it has a limited and restricted extent of occurrence within five locations. There are major threats within a few of these locations as well. [1]
The threats to the population of Nomorhamphus towoetii include the following:
Sulawesi, also known as Celebes, is an island in Indonesia. One of the four Greater Sunda Islands, and the world's 11th-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Archipelago. Within Indonesia, only Sumatra, Borneo, and Papua are larger in territory, and only Java and Sumatra have larger populations.
Nomorhamphus is a southeast Asian genus of viviparous halfbeaks from streams, rivers and lakes in Sulawesi (Indonesia) and the Philippines. They are all viviparous, producing small clutches of around a dozen fry about 10 to 15 mm long at birth. Females are generally larger than the males. In the largest species, such as Nomorhamphus liemi, the females typically reach about 10 centimetres (3.9 in) in length, whereas the males reach about 6–7 cm (2.4–2.8 in) in length. Males are also more brightly coloured than the females. Compared with many other halfbeaks, the lower mandible, or beak, is relatively short, on females in particular barely protruding beyond the length of the upper mandible. The males of some species have short, straight beaks, but those of others have short beaks that curve downwards forming a shape often compared to a goatee beard by aquarists. N. aenigma is unique within Nomorhamphus because of its lack of lower jaw elongation.
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Lake Towuti is a lake in East Luwu Regency, South Sulawesi province, Indonesia. Surrounded by mountains, it is the largest lake of the island of Sulawesi and one of the five lakes of the Malili Lake system. The Larona River flows from the lake to the Boni Bay. The town Laronda is located on its shore.
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Nomorhamphus megarrhamphus is a species of viviparous halfbeak, a freshwater fish endemic to Lake Towuti in Sulawesi, Indonesia.
Nomorhamphus weberi is a species of viviparous halfbeak endemic to Lake Matano in Sulawesi, Indonesia. This species can reach a length of 7.5 centimetres (3.0 in) SL. The specific name honours the Dutch ichthyologist Max Carl Wilhelm Weber (1852-1937).
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Nomorhamphus aenigma is a species of fish belonging to the family Zenarchopteridae. The species is found in Sulawesi, Indonesia. The fish grows up to 6.1 centimetres (2.4 in) long (SL).
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