Sewellia lineolata - Pracht-Flossensauger

''Sewellia lineolata,'' the reticulated hillstream loach, is a species of fish from the provinces of Thua Thien-Hue, Quang Nam, Quang Ngai and Binh Dinh in Vietnam.

Habitat

''Sewellia lineotola'' is found in shallow, fast-flowing, highly oxygenated tributaries and

headwater The headwaters of a river or stream is the farthest place in that river or stream from its estuary or downstream confluence with another river, as measured along the course of the river. It is also known as a river's source. Definition The ...

s that contain stretches of riffles broken up by pools or sometimes waterfalls. Inhabited substrates are normally composed of

gravel Gravel is a loose aggregation of rock fragments. Gravel occurs naturally throughout the world as a result of sedimentary and erosive geologic processes; it is also produced in large quantities commercially as crushed stone. Gravel is classifi ...

bedrock In geology, bedrock is solid Rock (geology), rock that lies under loose material (regolith) within the crust (geology), crust of Earth or another terrestrial planet. Definition Bedrock is the solid rock that underlies looser surface mater ...

and sand among stretches containing boulders, surrounded by well-developed riparian vegetations but with fewer aquatic plants present. The most favorable habitats have oxygen-saturated clear water which, combined with the sun, creates a rich biofilm covering submerged surfaces. During times of high rainfall, some streams can become murky as a result of suspended material caused by larger flow rate and water depth.

Diet

''Sewellia lineolata'' eat

benthic The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from ancient Greek, βένθος (bénthos), meaning "t ...

algae Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...

and associated micro-organisms. Insect

larvae A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The ...

may be eaten opportunistically. In the aquarium,

fish flakes Aquarium fish feed is plant or animal material intended for consumption by pet fish kept in aquariums or ponds. Fish foods normally contain macronutrients, trace elements and vitamins necessary to keep captive fish in good health. Approximately ...

, mini pellets, and algae wafers can also be added to the diet, along with bloodworms, brine shrimp, daphnia, and tubifex.

References

External links

{{Taxonbar, from=Q1767177 Vulnerable species Fish described in 1846 Fish of Vietnam Taxa named by Achille Valenciennes Gastromyzontidae