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Percichthyidae

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Title: Percichthyidae  
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Subject: Perciformes, Bass (fish), List of fish families, Mandarin fish, Macquarie perch, Golden perch, Australian bass, Estuary perch, River blackfish, Two-spined blackfish
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Percichthyidae

Temperate perches
Siniperca scherzeri
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Percichthyidae
Gosline, 1966
Genera

Bostockia
Coreoperca
Edelia
Gadopsis
Guyu
Maccullochella
Macquaria
Nannatherina
Nannoperca
Percichthys
Siniperca

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 means perch-like fishes.

Classification

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. Australian freshwater percichthyids were once placed in the Serranidae (marine grouper) family, and the two families are considered to have some link to each other.

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) are native to Asia, and some of the marine species are found as far north in the Pacific as California.

Species

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. (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.

Timeline

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See also

References

External links

  • Fishbase, Family Percichthyidae - Temperate perches
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