The whiskered prowfish (''Neopataecus waterhousii'') is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of marine

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 ...

, an Australian prowfish belonging to the

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 ...

Pataecidae The Australian prowfishes are a small family, the Pataecidae, of ray-finned fishes classified within the order Scorpaeniformes. Australian prowfishes are distinguished by a long dorsal fin that begins far forward on the head, forming a "prow" s ...

. 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 the

coast The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the coastline. The Earth has around of coastline. Coasts are important zones in n ...

al waters of southern

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. This species is the only member of the

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

''Neopataecus''.

Taxonomy

The whiskered prowfish was first formally described in 1872 as''Pataecus waterhousii'' by the French naturalist

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 ...

with the type locality given as the St Vincent Gulf in

South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...

. In 1884 Franz Steindachner described a new subgenus of '' Aetapcus'', ''Neopataecus'', for this species and this is now considered to be a valid genus.The 5th edition of ''

Fishes of the World ''Fishes of the World'' by the American ichthyologist Joseph S. Nelson (1937–2011) is a standard reference for fish systematics. Now in its fifth edition (2016), the work is a comprehensive overview of the diversity and classification of the ...

'' classifies the family Pataecidae, in which this genus is classified, within the

suborder Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...

Scorpaenoidei Scorpaenoidei is a suborder of ray-finned fishes, part of the order Scorpaeniformes, that includes the scorpionfishes, lionfishes and velvetfishes. This suborder is at its most diverse in the Pacific and Indian Oceans but is also found in the A ...

which in turn is classified within the order Scorpaeniformes. Other authorities place the Scorpaenoidei within the

Perciformes Perciformes (), also called the Percomorpha or Acanthopteri, is an order or superorder of ray-finned fish. If considered a single order, they are the most numerous order of vertebrates, containing about 41% of all bony fish. Perciformes means ...

. A recent study placed the Australian prowfishes into an expanded stonefish

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

Synanceiidae Synanceiinae is a subfamily of venomous ray-finned fishes, waspfishes, which is classified as part of the family Scorpaenidae, the scorpionfishes and their relatives. These fishes are found in the Indo-Pacific oceans. They are primarily marin ...

, because all of these fish have a lachrymal sabre that can project a switch-blade-like mechanism out from underneath their eye. The name of the genus prefixes ''Pataecus'' with ''neo'', meaning “new”. The specific name honours

Frederick George Waterhouse Frederick George Waterhouse (25 August 1815 – 7 September 1898) was an English naturalist, zoologist and entomologist who made significant contributions to the study of the natural history of Australia. Waterhouse was born near London, a son ...

, curator at the South Australia Museum , the collector of the

holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several ...

Description

The whiskered prowfish has an elongated, highly compressed body which tapers towards the tail and ends in a slender, elongated

caudal peduncle Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...

. The head is large and the dorsal profile slopes at a slightly obtuse angle and the smallish eyes are set high on the head. The mouth is oblique with a band of tiny teeth on each jaw. There are no scales but there are a few warty projections on the body. There are small, thin fringe like growths on the underside of the head. There are 19-23 spines and 7-10 soft rays in the

dorsal fin A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through conv ...

, which is continuous and tall with its origin in front of the eyes, joined by a membrane to the caudal peduncle but not the

caudal fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...

. The

anal fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...

is also long with its rays becoming longer towards the rear has 5-7 spines and 3-5 soft rays. The

has 9 rays and the

pectoral fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as ...

has 8 rays, all of the rays in the fins are unbranched. The caudal fin is elongate in shape with the upper rays being shorter than the lower. The large pectoral fins are situated low on the body and extend past the anus and have clear incisions on their rear edges. The maximum

total 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 ...

of this species is . The colour of this fash may be orange or brown marked with pink or white blotches or red lines.

Distribution and habitat

The whiskered prowfish is endemic to southern Australia where it is found from the

Houtman Abrolhos The Houtman Abrolhos (often called the Abrolhos Islands) is a chain of 122 islands and associated coral reefs, in the Indian Ocean off the west coast of Australia, about west of Geraldton, Western Australia. It is the southernmost true coral ...

in Western Australia east to

Inverloch, Victoria Inverloch is a seaside town located in Victoria, Australia and the most populous city of the Bass Coast Shire. It is located south east of Melbourne via the South Gippsland Highway on the Bass Highway in the Bass Coast Shire of Gippsland, Vict ...

and

King Island, Tasmania King Island is an island in the Bass Strait, belonging to the Australian state of Tasmania. It is the largest of three islands known as the New Year Group, and the second-largest island in Bass Strait (after Flinders Island). The island's popu ...

. It occurs as deep as , living in sheltered reefs among

sponge Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through t ...

seaweed Seaweed, or macroalgae, refers to thousands of species of macroscopic, multicellular, marine algae. The term includes some types of '' Rhodophyta'' (red), ''Phaeophyta'' (brown) and ''Chlorophyta'' (green) macroalgae. Seaweed species such as ...

s and

seagrass Seagrasses are the only flowering plants which grow in marine environments. There are about 60 species of fully marine seagrasses which belong to four families (Posidoniaceae, Zosteraceae, Hydrocharitaceae and Cymodoceaceae), all in the orde ...

es, it has infrequently been observed in floating algae.

Biology

The whiskered prowfish's biology is little known, they are slow moving and shed their skin at regular intervals, probably to remove encrusting organisms.

References

{{DEFAULTSORT:prowfish, whiskered whiskered prowfish whiskered prowfish Taxa named by Franz Steindachner Taxa named by François-Louis Laporte, comte de Castelnau