goby
The Gobioidei are a suborder of percomorph fish. Many of these fishes are called gobies. It is by far the largest and most diverse order within the order Gobiiformes, and one of the most diverse groups of ray-finned fish in general.
The subord ...
family,
Oxudercidae
Oxudercidae is a family of gobies which consists of four subfamilies which were formerly classified under the family Gobiidae. The family is sometimes called the Gobionellidae, but Oxudercidae has priority. The species in this family have a cosmo ...
, known commonly as dualspot gobies. They are native to the western
Indo-Pacific
The Indo-Pacific is a vast biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...
region, where they occur in
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 environm ...
and
freshwater
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. The term excludes seawater and brackish water, but it does include non-salty mi ...
habitats just above the tidal influence.
Some of these gobies are abundant fish species. The most widespread is the speckled goby (''R. bikolanus''), which occurs throughout the western
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
and from
Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
to
Africa
Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
. Some ''Redigobius'' are kept as
aquarium
An aquarium (: 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. fishkeeping, Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aquati ...
pets. The
Fiji
Fiji, officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists of an archipelago of more than 330 islands—of which about ...
an
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
There are currently 15 recognized species in this genus.
Species include:
* '' Redigobius amblyrhynchus'' (
Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Redigobius balteatops
''Redigobius'' is a genus of fish in the goby family, Oxudercidae, known commonly as dualspot gobies. They are native to the western Indo-Pacific region, where they occur in estuaries and freshwater habitats just above the tidal influence.
Some ...
'' (
J. L. B. Smith
James Leonard Brierley Smith (26 September 1897 – 8 January 1968) was a South African ichthyology, ichthyologist, organic chemist, and university professor. He was the first to identify a taxidermied fish as a coelacanth, at the time thought t ...
Redigobius bikolanus
''Redigobius bikolanus'', the speckled goby or bigmouth goby, is a species of goby native to marine, fresh and brackish waters along the coasts of Asia from Japan to Australia out to the Pacific islands of New Caledonia and Vanuatu and along the ...
Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Redigobius dewaali
''Redigobius dewaali'', the checked goby, is a species of goby native to the Indian Ocean coast of Africa from Mozambique and South Africa. This species inhabits fresh and brackish waters of estuaries, lakes and floodplain
A floodplain o ...
Redigobius dispar
''Redigobius'' is a genus of fish in the goby family, Oxudercidae, known commonly as dualspot gobies. They are native to the western Indo-Pacific region, where they occur in estuaries and freshwater habitats just above the tidal influence.
Some ...
Redigobius isognathus
''Redigobius'' is a genus of fish in the goby family, Oxudercidae, known commonly as dualspot gobies. They are native to the western Indo-Pacific region, where they occur in estuary, estuaries and fresh water, freshwater habitats just above the t ...
'' (
Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Redigobius lekutu
''Redigobius'' is a genus of fish in the goby family, Oxudercidae, known commonly as dualspot gobies. They are native to the western Indo-Pacific region, where they occur in estuaries and freshwater habitats just above the tidal influence.
Some ...
Redigobius leveri
''Redigobius'' is a genus of fish in the goby family, Oxudercidae, known commonly as dualspot gobies. They are native to the western Indo-Pacific region, where they occur in estuaries and freshwater habitats just above the tidal influence.
Some ...
Redigobius macrostoma
''Redigobius'' is a genus of fish in the goby family, Oxudercidae, known commonly as dualspot gobies. They are native to the western Indo-Pacific region, where they occur in estuaries and freshwater habitats just above the tidal influence.
Some ...
Popta
Canna Maria Louise Popta (31 May 1860 – 13 June 1929)L.B. Holthuis, Biography i1820-1958, Rijksmuseum van Natuurlijke Historie page 82 (in Dutch). was a Dutch biologist.
Born in Breda, Popta was one of the first women to enrol as a student at ...