''Parambassis piratica'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...

in the family

Ambassidae The Asiatic glassfishes are a family, the Ambassidae, of freshwater and marine ray-finned fishes. Some species are known as perchlets. The family has also been called Chandidae, and some sources continue to use the name, but as Ambassidae was u ...

, the Asiatic glassfishes. It was described in 1989 and placed in a new

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

of its own, ''Paradoxodacna'', but was later moved into ''Parambassis''.It is native to

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

, where it occurs in

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

and southern and western

Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...

. This species grows to a length of SL. It has specialized teeth and retrognathous jaws: the upper jaw is longer than the lower. It eats the

scales Scale or scales may refer to: Mathematics * Scale (descriptive set theory), an object defined on a set of points * Scale (ratio), the ratio of a linear dimension of a model to the corresponding dimension of the original * Scale factor, a number ...

of other fish. This habit inspired its species name, ''piratica''. This fish lives in tropical streams and rivers.

References

Ambassidae Fish of Indonesia Fish described in 1989 {{Ambassidae-stub