genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
.
Some ''Silurichthys'' species are economically important as
aquarium
An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...
fishes, and many are useful biological indicators of the health of
freshwater
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...
or
peat
Peat (), also known as turf (), is an accumulation of partially decayed vegetation or organic matter. It is unique to natural areas called peatlands, bogs, mires, moors, or muskegs. The peatland ecosystem covers and is the most efficien ...
swamp forests.
In ''Silurichthys'' species, the
eye
Eyes are organs of the visual system. They provide living organisms with vision, the ability to receive and process visual detail, as well as enabling several photo response functions that are independent of vision. Eyes detect light and conv ...
s are small and under the
skin
Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation.
Other cuticle, animal coverings, such as the arthropod exoskeleton, have diffe ...
. It is likely
sexual dimorphism
Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most ani ...
is present in all species, based on species where there enough specimens available. Mature males of all species have a broad and somewhat flattened pectoral fin spine with "serrae" (saw-like teeth); in females and juveniles, the spine is slender and has no spines.
Species
There are currently nine recognized species in this genus:
*'' Silurichthys citatus'' Ng &
Silurichthys gibbiceps
''Silurichthys'' is a genus of sheatfishes native to Asia.
Some ''Silurichthys'' species are economically important as aquarium fishes, and many are useful biological indicators of the health of freshwater or peat swamp forests.
In ''Siluricht ...
Tan
Tan or TAN may refer to:
Businesses and organisations
* Black and Tans, a nickname for British special constables during the Irish War of Independence. By extension "Tans" can now also colloquially refer to English or British people in general, es ...
Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Silurichthys sanguineus
''Silurichthys'' is a genus of sheatfishes native to Asia.
Some ''Silurichthys'' species are economically important as aquarium fishes, and many are useful biological indicators of the health of freshwater or peat swamp forests.
In ''Siluricht ...
Silurichthys schneideri
''Silurichthys'' is a genus of sheatfishes native to Asia.
Some ''Silurichthys'' species are economically important as aquarium fishes, and many are useful biological indicators of the health of freshwater or peat swamp forests.
In ''Siluricht ...