''Polydactylus'' is a genus of
threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or
brackish
Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...
waters (such as
mangrove
A mangrove is a shrub or tree that grows in coastal saline or brackish water. The term is also used for tropical coastal vegetation consisting of such species. Mangroves are taxonomically diverse, as a result of convergent evolution in several ...
or
estuaries
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environme ...
).
Some may even enter rivers and a single, ''P. macrophthalmus'', is a freshwater fish from rivers in
Borneo
Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...
.
[
Most species do not surpass in ]standard length
Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology.
Overall length
* Standard length (SL) is the length of a fish ...
, but two can reach up to .[
]
Species
There are currently 21 species in the genus:[
*'' Polydactylus approximans'' (]Lay
Lay may refer to:
Places
*Lay Range, a subrange of mountains in British Columbia, Canada
* Lay, Loire, a French commune
* Lay (river), France
*Lay, Iran, a village
* Lay, Kansas, United States, an unincorporated community
People
* Lay (surname ...
& Bennett, 1839) (Blue bobo)
*'' Polydactylus bifurcus'' Motomura, Kimura & Iwatsuki, 2001 (Slender fivefinger threadfin)
*'' Polydactylus longipes'' Motomura, Okamoto & Iwatsuki, 2001 (Long-limb threadfin)
*''Polydactylus luparensis
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' Lim, Motomura & Gambang
A gambang, properly called a gambang kayu ('wooden gambang') is a xylophone-like instrument used among people of Indonesia in gamelan and kulintang, with wooden bars as opposed to the metallic ones of the more typical metallophones in a gamelan. ...
, 2010 (Sarawak giant threadfin)
*''Polydactylus macrochir
The king threadfin (''Polydactylus macrochir''), also known as the blind salmon, blink tassel-fish, burnett salmon, gold threadfin, king salmon, kingfish, Sheridan threadfin, triped tassel fish, or threadfin salmon, is a species of marine ray-fin ...
'' ( Günther, 1867) (King threadfin)
*''Polydactylus macrophthalmus
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' ( Bleeker, 1858) (River threadfin)
*''Polydactylus malagasyensis
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' Motomura & Iwatsuki, 2001 (African blackspot threadfin)
*''Polydactylus microstomus
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' ( Bleeker, 1851) (Smallmouth threadfin)
*''Polydactylus mullani
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' (Hora, 1926) (Arabian blackspot threadfin)
*''Polydactylus multiradiatus
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' ( Günther, 1860) (Australian threadfin)
*''Polydactylus nigripinnis
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' Munro
A Munro () is defined as a mountain in Scotland with a height over , and which is on the Scottish Mountaineering Club (SMC) official list of Munros; there is no explicit topographical prominence requirement. The best known Munro is Ben Nevis ...
, 1964 (Blackfin threadfin)
*''Polydactylus octonemus
The Atlantic threadfin (''Polydactylus octonemus'') is a species of ray-finned fish a threadfin from the family Polynemidae which is native to subtropical and temperate waters of the western Atlantic Ocean and the Gulf of Mexico.
Description
Th ...
'' ( Girard, 1858) (Atlantic threadfin)
*'' Polydactylus oligodon'' ( Günther, 1860) (Littlescale threadfin)
*'' Polydactylus opercularis'' Seale & Bean
A bean is the seed of several plants in the family Fabaceae, which are used as vegetables for human or animal food. They can be cooked in many different ways, including boiling, frying, and baking, and are used in many traditional dishes t ...
, 1907 (Yellow bobo)
*'' Polydactylus persicus'' Motomura & Iwatsuki, 2001 (Persian blackspot threadfin)
*''Polydactylus plebeius
''Polydactylus plebeius'', the striped threadfin, also known as the common threadfin, Northern threadfin or puttynose, is a species of marine fish native to the Indo-Pacific.
Description
''Polydactylus plebeius'' is a medium-sized threadfin whic ...
'' (Broussonet
Pierre Marie Auguste Broussonet (28 February 1761 – 17 January 1807) was a French naturalist who contributed primarily to botany. He was born in Montpellier, where he was educated, and travelled to Morocco, Spain, the Canary Islands, and Souther ...
, 1782) (Striped threadfin)
*'' Polydactylus quadrifilis'' (Cuvier
Jean Léopold Nicolas Frédéric, Baron Cuvier (; 23 August 1769 – 13 May 1832), known as Georges Cuvier, was a French naturalist and zoologist, sometimes referred to as the "founding father of paleontology". Cuvier was a major figure in nat ...
, 1829) (Giant African threadfin)
*''Polydactylus sexfilis
''Polydactylus sexfilis'', the six-finger threadfin or yellowthread threadfin, is a species of marine ray-finned fish, a threadfin from the family Polynemidae which is found in the Indian and Pacific Oceans.
Description
''Polydactylus sexfilis'' ...
'' (Valenciennes
Valenciennes (, also , , ; nl, label=also Dutch, Valencijn; pcd, Valincyinnes or ; la, Valentianae) is a commune in the Nord department, Hauts-de-France, France.
It lies on the Scheldt () river. Although the city and region experienced a ...
, 1831) (Sixfinger threadfin)
*''Polydactylus sextarius
''Polydactylus sextarius'', the blackspot threadfin, is a species of marine ray-finned fish, a threadfin from the family Polynemidae which is native to the western Pacific and eastern Indian Oceans.
Distribution
''Polydactylus sextarius'' is ...
'' (Bloch Bloch is a surname of German origin. Notable people with this surname include:
A–F
* (1859-1914), French rabbi
* Adele Bloch-Bauer (1881-1925), Austrian entrepreneur
* Albert Bloch (1882–1961), American painter
* (born 1972), German motor jour ...
& Schneider
Schneider may refer to:
Hospital
* Schneider Children's Medical Center of Israel
People
* Schneider (surname)
Companies and organizations
* G. Schneider & Sohn, a Bavarian brewery company
* Schneider Rundfunkwerke AG, the former owner of th ...
, 1801) (Blackspot threadfin)
*''Polydactylus siamensis
''Polydactylus'' is a genus of threadfin that mainly are native to the Indian, Atlantic and Pacific Oceans, especially in coastal or brackish waters (such as mangrove or estuaries). Some may even enter rivers and a single, ''P. macrophthalmus'', ...
'' Motomura, Iwatsuki & Yoshino, 2001 (Largemouth striped threadfin)
*'' Polydactylus virginicus'' (Linnaeus
Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, t ...
, 1758
Events
January–March
* January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoological ...
) (Barbu)
References
{{Taxonbar, from=Q9300878
Polynemidae