''Glyptosternon'' is a
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 ...
of
sisorid catfish
Sisoridae is a family of catfishes. These Asian catfishes live in fast-moving waters and often have adaptations that allow them to adhere to objects in their habitats. The family includes about 235 species.
Taxonomy
The family Sisoridae is recog ...
es native to
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 ...
.
Species
There are currently four recognized species in this genus:
* ''
Glyptosternon akhtari
''Glyptosternon'' is a genus of sisorid catfishes native to Asia.
Species
There are currently four recognized species in this genus:
* '' Glyptosternon akhtari'' Silas, 1952
* ''Glyptosternon maculatum'' (Regan, 1905)
* '' Glyptosternon reticul ...
''
Silas
Silas or Silvanus (; Greek: Σίλας/Σιλουανός; fl. 1st century AD) was a leading member of the Early Christian community, who according to the New Testament accompanied Paul the Apostle on his second missionary journey.
Name and et ...
, 1952
* ''
Glyptosternon maculatum
''Glyptosternon'' is a genus of sisorid catfishes native to Asia.
Species
There are currently four recognized species in this genus:
* ''Glyptosternon akhtari'' Silas, 1952
* ''Glyptosternon maculatum'' (Regan, 1905)
* ''Glyptosternon reticulat ...
''
(Regan
The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...
, 1905)
* ''
Glyptosternon reticulatum
''Glyptosternon'' is a genus of sisorid catfishes native to Asia.
Species
There are currently four recognized species in this genus:
* ''Glyptosternon akhtari'' Silas, 1952
* ''Glyptosternon maculatum'' (Regan, 1905)
* '' Glyptosternon reticula ...
''
McClelland McClelland is a surname. Notable people with the surname include:
* Alyssa McClelland, Australian actress
* Charles A. McClelland (1917–2006), American political systems analyst
* Charles P. McClelland (1854–1944), New York politician, and US ...
, 1842 (Turkestan catfish)
* ''
Glyptosternon oschanini
''Glyptosternon'' is a genus of sisorid catfishes native to Asia.
Species
There are currently four recognized species in this genus:
* '' Glyptosternon akhtari'' Silas, 1952
* ''Glyptosternon maculatum'' (Regan, 1905)
* '' Glyptosternon reticul ...
''
Herzenstein, 1889 (Oshanin catfish)
Distribution
species are distributed in
Indus
The Indus ( ) is a transboundary river of Asia and a trans-Himalayan river of South and Central Asia. The river rises in mountain springs northeast of Mount Kailash in Western Tibet, flows northwest through the disputed region of Kashmir, ...
drainage in
Afghanistan
Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...
,
Pakistan
Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
,
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
(in the state of
Jammu and Kashmir Jammu and Kashmir may refer to:
* Kashmir, the northernmost geographical region of the Indian subcontinent
* Jammu and Kashmir (union territory), a region administered by India as a union territory
* Jammu and Kashmir (state), a region administered ...
),
Uzbekistan
Uzbekistan (, ; uz, Ozbekiston, italic=yes / , ; russian: Узбекистан), officially the Republic of Uzbekistan ( uz, Ozbekiston Respublikasi, italic=yes / ; russian: Республика Узбекистан), is a doubly landlocked cou ...
,
Tajikistan
Tajikistan (, ; tg, Тоҷикистон, Tojikiston; russian: Таджикистан, Tadzhikistan), officially the Republic of Tajikistan ( tg, Ҷумҳурии Тоҷикистон, Jumhurii Tojikiston), is a landlocked country in Centr ...
,
Kyrgyzstan
Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the east. ...
and western China, east to the
Irrawaddy Irrawaddy may refer to:
*Irrawaddy River, the main river of Burma
*Irrawaddy Delta, a rice growing region of the country
*Ayeyarwady Region, an administrative division of Burma
*''The Irrawaddy'', a Burmese news publication based in Chiang Mai, Tha ...
drainage in
Burma
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...
.
is from the
Bamian River
Bamyan or Bamyan Valley (); ( prs, بامیان) also spelled Bamiyan or Bamian is the capital of Bamyan Province in central Afghanistan. Its population of approximately 70,000 people makes it the largest city in Hazarajat. Bamyan is at an alti ...
of the
Oxus Watershed
The Amu Darya, tk, Amyderýa/ uz, Amudaryo// tg, Амударё, Amudaryo ps, , tr, Ceyhun / Amu Derya grc, Ὦξος, Ôxos (also called the Amu, Amo River and historically known by its Latin name or Greek ) is a major river in Central Asi ...
of the Indus drainage in Afghanistan. is found in the
Brahmaputra
The Brahmaputra is a trans-boundary river which flows through Tibet, northeast India, and Bangladesh. It is also known as the Yarlung Tsangpo in Tibetan, the Siang/Dihang River in Arunachali, Luit in Assamese, and Jamuna River in Bangla. It ...
drainage of India and China. is from the Indus drainage including Afghanistan, Pakistan, Kashmir, and western China.
is known from the Upper Syr Darya and probably Amu Darya in Kyrgyzstan, Uzbekistan and Tajikistan
Description
''Exostoma'' is distinguished by having the combination of an interrupted groove behind the lip (post-labial groove), the
gill
A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...
openings extending onto the underside (venter),
homodont
In anatomy, a heterodont (from Greek, meaning 'different teeth') is an animal which possesses more than a single tooth morphology.
In vertebrates, heterodont pertains to animals where teeth are differentiated into different forms. For example ...
dentition with pointed teeth in both jaws, a
crescent
A crescent shape (, ) is a symbol or emblem used to represent the lunar phase in the first quarter (the "sickle moon"), or by extension a symbol representing the Moon itself.
In Hinduism, Lord Shiva is often shown wearing a crescent moon on his ...
-shaped tooth patch in the upper jaw, and 10–12
branched pectoral rays.
The head is depressed with a broadly rounded snout. The body is elongate and flattened ventrally to the
pelvic fin
Pelvic fins or ventral fins are paired fins located on the ventral surface of fish. The paired pelvic fins are homologous to the hindlimbs of tetrapods.
Structure and function Structure
In actinopterygians, the pelvic fin consists of two en ...
s. The eyes are minute, dorsally located, and under the skin (subcutaneous). The lips are thick, fleshy, and
papilla
Papilla (Latin, 'nipple') or papillae may refer to:
In animals
* Papilla (fish anatomy), in the mouth of fish
* Basilar papilla, a sensory organ of lizards, amphibians and fish
* Dental papilla, in a developing tooth
* Dermal papillae, part of ...
ted. The teeth in both jaws are pointed and the tooth patches in the upper jaw are joined, forming a band produced posteriorly at sides (crescent-shaped). The paired fins are
plaited to form an adhesive apparatus.
and grow to between .
''Glyptosternon malaisei'' was known only from the
type, which is from the Irrawaddy drainage in Burma. A recently published study reidentifies ''G. malaisei'' as a species of ''Glaridoglanis'', on the basis of the spatulate, homodont dentition on both jaws and the premaxillary tooth patch not extending posterolaterally; and considers it to be a junior subjective synonym of ''
Glaridoglanis andersonii''.
Ecology
is found in mountain rapids.
[ is found in rivers and streams under stones and rocks. It feeds mainly on ]invertebrate
Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...
s, especially insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs ...
larva
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 ...
e.[
]
References
{{Taxonbar, from=Q5032516
Sisoridae
Fish of Asia
Fish of Afghanistan
Freshwater fish of China
Freshwater fish of India
Fish of Myanmar
Fish of Pakistan
Fish of Central Asia
Taxa named by John McClelland (doctor)
Freshwater fish genera
Catfish genera