The pinkeye mullet (''Trachystoma petardi''), also known simply as pinkeye, or freshwater mullet, Richmond mullet, or river mullet, is a species of

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...

from the

grey mullet Grey mullet can mean any of several fish in the family ''Mugilidae'' (the mullets) and having a greyish hue: * Flathead grey mullet, ''Mugil cephalus'' * Thicklip grey mullet, ''Chelon labrosus'' * Boxlip grey mullet, ''Oedalechilus labeo'' * Leapi ...

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Mugilidae The mullets or grey mullets are a family (Mugilidae) of ray-finned fish found worldwide in coastal temperate and tropical waters, and some species in fresh water. Mullets have served as an important source of food in Mediterranean Europe since R ...

and the only species in the genus ''Trachystoma''. It is

endemic Endemism is the state of a species being found 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 found elsew ...

to northeastern Australia where it occurs from the

Burnett River The Burnett River is a river located in the Wide Bay–Burnett and Central Queensland regions of Queensland, Australia. Course and features The Burnett River rises in the Burnett Range, part of the Great Dividing Range, close to Mount Gaeta a ...

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

to the Clyde River in

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

. It is a subtropical species which is found in deep, slow flowing sections of rivers as well as in estuaries although it moves into coastal seas to

spawn Spawn or spawning may refer to: * Spawn (biology), the eggs and sperm of aquatic animals Arts, entertainment, and media * Spawn (character), a fictional character in the comic series of the same name and in the associated franchise ** '' Spawn: Ar ...

. It feeds mainly on

algae Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...

and plant material, as well as

detritus In biology, detritus () is dead particulate organic material, as distinguished from dissolved organic material. Detritus typically includes the bodies or fragments of bodies of dead organisms, and fecal material. Detritus typically hosts commun ...

and benthic invertebrates. The pinkeye mullet was originally described by

Francis de Laporte de Castelnau Francis may refer to: People *Pope Francis, the head of the Catholic Church and sovereign of the Vatican City State and Bishop of Rome *Francis (given name), including a list of people and fictional characters *Francis (surname) Places * Rural M ...

in 1875 as ''Mugil petardi''. The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

honours a Mr Petard who sent Castelnau specimens of fishes he collected in the

Richmond River The Richmond River is a river situated in the Northern Rivers region of New South Wales, Australia. Course and features The river rises at the northern end of the Richmond Range, near its junction with the McPherson Range, on the Queensla ...

in New South Wales; these included the type of this species. It is a dark greenish-brown mullet with a silvery belly and pale yellowish fins. It has a body which is deep and robust with a small mouth and small eyes. It grows to up to 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 m ...

, although is more usual.

References

{{Taxonbar, from=Q28802538 Mugilidae Fish described in 1875 Taxa named by François-Louis Laporte, comte de Castelnau Endemic fauna of Australia