''Gobiomorphus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of fishes in the family

Eleotridae Eleotridae is a family of fish commonly known as sleeper gobies, with about 34 genera and 180 species. Most species are found in the tropical Indo-Pacific region, but there are also species in subtropical and temperate regions, warmer parts of th ...

native to

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 List of islands of New Zealand, smaller islands. It is the ...

and Australia. They are typically small,

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 ...

fishes with large, rounded fins and two dorsal fins. Many have an

amphidromous Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousan ...

lifecycle: the eggs are laid in fresh water, but the fry are dispersed to sea soon after hatching, and grow there for several months before returning to fresh water.

Species

The recognized species in this genus are: * ''

Gobiomorphus alpinus The Tarndale bully (''Gobiomorphus alpinus'') is a fish in the family Eleotridae Eleotridae is a family of fish commonly known as sleeper gobies, with about 34 genera and 180 species. Most species are found in the tropical Indo-Pacific region, ...

'' ( Stokell, 1962) (Tarndale bully) * '' Gobiomorphus australis'' (

Krefft Johann Ludwig (Louis) Gerard Krefft (17 February 1830 – 19 February 1881), a talented artist and draughtsman, and the Curator of the Australian Museum for 13 years (1861-1874), was one of Australia's first and most influential zoologists and ...

, 1864) (striped gudgeon) * ''

Gobiomorphus basalis Cran's bully (''Gobiomorphus breviceps'') is a species of fish in the family Eleotridae Eleotridae is a family of fish commonly known as sleeper gobies, with about 34 genera and 180 species. Most species are found in the tropical Indo-Pacific ...

'' (

Gray Grey (more common in British English) or gray (more common in American English) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is "without color", because it can be composed ...

, 1842) (Cran's bully) * ''

Gobiomorphus breviceps The upland bully (''Gobiomorphus breviceps'') is a species of fish in the family Eleotridae endemic to freshwater habitats in New Zealand. Both sexes have distinctive orange-brown dots all over the head. Adults generally reach a length of . Desc ...

'' (Stokell, 1939) (upland bully) * ''

Gobiomorphus cotidianus The common bully (''Gobiomorphus cotidianus''), or toitoi (Māori), is a fish endemic to New Zealand, and is present throughout the country. There are three other bully species that can be confused with common bullies. There are few characteris ...

'' ( McDowall, 1975) (common bully) * ''

Gobiomorphus coxii ''Gobiomorphus coxii'', or Cox's gudgeon, is a species of sleeper goby in the family Eleotridae which is native to the upland rivers of south eastern Australia. Description ''Gobiomorphus coxii'' is dark brown to greenish-brown in colour on the ...

'' (Krefft, 1864) (Cox's gudgeon) * ''

Gobiomorphus gobioides The giant bully (''Gobiomorphus gobioides''), tītarakura, or tīpokopoko (Māori), is a species of fish in the family Eleotridae endemic to New Zealand. Description This is the largest species of bully and it can reach more than in length, b ...

'' (

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 ...

, 1837) (giant bully) * ''

Gobiomorphus hubbsi The bluegill bully (''Gobiomorphus hubbsi'') is a fish in the family Eleotridae that is endemic to New Zealand. It lives in shallow, fast-flowing riffles and torrents, where it forages and shelters amongst the gravels. It has a similar distribut ...

'' (Stokell, 1959) (bluegill bully) * ''

Gobiomorphus huttoni The redfin bully (''Gobiomorphus huttoni'') is a species of freshwater fish in the family Eleotridae endemic to New Zealand. Being amphidromous, it spends part of its life cycle at sea. Males have distinctive bright red patterns and stripes on th ...

'' ( Ogilby, 1894) (redfin bully)

References

Taxa named by Theodore Gill Freshwater fish genera {{Gobiiformes-stub