Temperate perch: Difference between revisions
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The members of '''Percichthyidae''' family are known as the '''temperate perches'''. They belong to the Order [[Perciformes]] or perch-like fishes. |
The members of '''Percichthyidae''' family are known as the '''temperate perches'''. They belong to the Order [[Perciformes]] or perch-like fishes. |
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The name '''Percichthyidae''' derives from the Ancient Greek words ''Perca'' for 'perch' and ''ichthyos'' for 'fish' and translated basically means '' |
The name '''Percichthyidae''' derives from the Ancient Greek words ''Perca'' for 'perch' and ''ichthyos'' for 'fish' and translated basically means ''perch-like fishes''. |
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The temperate perches are closely related to the temperate basses of the [[Moronidae]] Family, and older literature treats the latter as a belonging to the Percichthyidae Family. |
The temperate perches are closely related to the temperate basses of the [[Moronidae]] Family, and older literature treats the latter as a belonging to the Percichthyidae Family. |
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Around 22 [[species]] of Percichthyids are now recognised, grouped in around 11 [[genus|genera]]. Most but not all are freshwater fishes. They are mainly found in [[Australasia]] and [[South America]], though some (notably genus ''Siniperca'', which has the largest number of species) are native to [[Asia]], and some of the marine species are found as far north in the Pacific as [[California]]. |
Around 22 [[species]] of Percichthyids are now recognised, grouped in around 11 [[genus|genera]]. Most but not all are freshwater fishes. They are mainly found in [[Australasia]] and [[South America]], though some (notably genus ''Siniperca'', which has the largest number of species) are native to [[Asia]], and some of the marine species are found as far north in the Pacific as [[California]]. |
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[[Australia]] has the greatest number of Percichthyid species, where they are represented by the Australian freshwater cods (''Maccullochella spp.''), which are [[Murray |
[[Australia]] has the greatest number of Percichthyid species, where they are represented by the Australian freshwater cods (''Maccullochella spp.''), which are [[Murray cod]], [[Mary River cod]], [[eastern freshwater cod]] and [[trout cod]], by the Australian freshwater blackfishes (''Gadopsis spp.''), which are [[river blackfish]] and [[two-spined blackfish|two-spined blackfish]], and by the Australian freshwater perches (''Macquaria spp.''), which are [[golden perch]], [[Macquarie perch]], [[Australian bass]] and [[estuary perch]]. |
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Several other Australian freshwater species also sit within the Percichthyidae Family while research using mitochondrial DNA suggests the species of the Nannopercidae |
Several other Australian freshwater species also sit within the Percichthyidae Family while research using mitochondrial [[DNA]] suggests the species of the Nannopercidae family are in reality Percichthyids as well. Australia is unique in having a freshwater fish fauna dominated by Percichthyids and allied families/species. This in contrast to Europe and Asia whose fish faunas are dominated by members of the Cyprinidae carp family. (Indeed, Australia does not have a single naturally occurring Cyprinid species; unfortunately the illegal introduction of carp has now established the family's presence in Australia.) |
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A number of species are or have been important food species; some of these (e.g. the [[Murray |
A number of species are or have been important food species; some of these (e.g. the [[Murray cod]], ''Maccullochella peelii peelii'') have become [[threatened]] through overfishing and river regulation, while others (e.g. the [[Chinese perch]], ''Siniperca chuatsi''), are now [[fish farm|farmed]] to some extent. Some smaller species (e.g. [[Balston's pygmy perch]], ''Nannatherina balstoni'') are popular in [[aquarium|aquaria]]. |
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The extremely rare [[Bloomfield River |
The extremely rare [[Bloomfield River cod]], ''Guyu wujalwujalensis'', is only found in a short stretch of the Bloomfield River in north [[Queensland]]. |
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Revision as of 12:42, 12 August 2006
| Temperate perches | |
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| Scientific classification | |
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| Family: | Percichthyidae
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| Genera | |
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Bathysphyraenops (disputed) | |
The members of Percichthyidae family are known as the temperate perches. They belong to the Order Perciformes or perch-like fishes.
The name Percichthyidae derives from the Ancient Greek words Perca for 'perch' and ichthyos for 'fish' and translated basically means perch-like fishes.
The temperate perches are closely related to the temperate basses of the Moronidae Family, and older literature treats the latter as a belonging to the Percichthyidae Family.
Around 22 species of Percichthyids are now recognised, grouped in around 11 genera. Most but not all are freshwater fishes. They are mainly found in Australasia and South America, though some (notably genus Siniperca, which has the largest number of species) are native to Asia, and some of the marine species are found as far north in the Pacific as California.
Australia has the greatest number of Percichthyid species, where they are represented by the Australian freshwater cods (Maccullochella spp.), which are Murray cod, Mary River cod, eastern freshwater cod and trout cod, by the Australian freshwater blackfishes (Gadopsis spp.), which are river blackfish and two-spined blackfish, and by the Australian freshwater perches (Macquaria spp.), which are golden perch, Macquarie perch, Australian bass and estuary perch.
Several other Australian freshwater species also sit within the Percichthyidae Family while research using mitochondrial DNA suggests the species of the Nannopercidae family are in reality Percichthyids as well. Australia is unique in having a freshwater fish fauna dominated by Percichthyids and allied families/species. This in contrast to Europe and Asia whose fish faunas are dominated by members of the Cyprinidae carp family. (Indeed, Australia does not have a single naturally occurring Cyprinid species; unfortunately the illegal introduction of carp has now established the family's presence in Australia.)
A number of species are or have been important food species; some of these (e.g. the Murray cod, Maccullochella peelii peelii) have become threatened through overfishing and river regulation, while others (e.g. the Chinese perch, Siniperca chuatsi), are now farmed to some extent. Some smaller species (e.g. Balston's pygmy perch, Nannatherina balstoni) are popular in aquaria.
The extremely rare Bloomfield River cod, Guyu wujalwujalensis, is only found in a short stretch of the Bloomfield River in north Queensland.
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