Lindbergichthys nudifrons

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Lindbergichthys nudifrons
Lepidonotothen nudifrons.gif
Illustration
Lepidonotothen nudifrons.jpg
Specimen from the South Shetland Islands
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Nototheniidae
Genus: Lindbergichthys
Species:
L. nudifrons
Binomial name
Lindbergichthys nudifrons
(Lönnberg 1905)
Synonyms [1]
  • Notothenia mizops nudifronsLönnberg, 1905
  • Lepidonotothen nudifrons(Lönnberg, 1905)
  • Notothenia nudifronsLönnberg, 1905
  • Nototheniops nudifrons(Lönnberg, 1905)

Lindbergichthys nudifrons, the yellowfin rockcod, also known as the yellow notie or the gaudy notothen, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Atlantic sector of the Southern Ocean.

Contents

Taxonomy

Lindbergichthys nudifrons was first formally described in 1905 as Notothenia mizops nudifrons by the Swedish zoologist Einar Lönnberg with the type locality given as eight locations on South Georgia and 2 Antarctic locations. The types were collected by the Swedish Antarctic Expedition. [2] The specific name nudifrons means "naked forehead" referring to the occipital and interorbital regions in juveniles and adults lack of scales compared to L. mizops which Lönnberg thought this taxon was a subspecies of. [3]

Description

Lindbergichthys nudifrons has an oblong body which is compressed towards the tail. It has dorsally positioned eyes which may bulge above the dorsal profile of the head, they eyes are separated by a narrow area which has a width less than the diameter of the eye. The pores in the sensory canal on the head are small. The mouth is small and does not extend to the middle of the eye and there are conical teeth in the jaws. The body is largely covered in ctenoid scales with non-ctenoid scales present on cheeks, gills and on the top of head behind the eyes while the preorbital and lower parts of the head may be naked; The first dorsal fin contains 4-5 spines, it is joined to the second dorsal fin by a membrane between its last spine and the lower two thirds of the first ray of the second dorsal fin> The second dorsal fin has 34-37 soft rays while the anal fin has 33-35 rays. [4] Males of this species are one of the most brightly-colored fishes of the Antarctic, with a warm orange-brown body color and brown bars, orange first and second dorsal fins, silvery white belly and a large black spot and short yellow bars on the dorsal fins. The ventral parts are pale. The pelvic fins are pale yellow with faint brown bars present (these are also present on the caudal fin together with pale yellow bars). There are irregular dark blotches and spots on the body. Most of this coloration is lost after preservation in alcohol, with 5 dark cross-bars formed. There are no scales present on the head. Adult females and immature specimens are nearly uniformly pale yellow or pale yellowish-brown. [5] [4] This species can grow up to 19.5 cm (7.7 in) TL. [5] [4]

Distribution and habitat

Lindbergichthys nudifrons is found in the Atlantic sector of the Southern Ocean along the Scotia Arc from the Antarctic Peninsula to South Georgia, [4] including the South Shetland, South Orkneys and South Sandwich Islands. [1] It is found at depth of 3 to 400 m (9.8 to 1,312.3 ft). [1]

Biology

Lindbergichthys nudifrons mainly feed on polychaetes, amphipods and isopods as adults, however, fish eggs and shrimps are also taken. Juveniles and smaller adults mainly feed on copepods. Spawning takes place from April to October, with sexual maturity reached at 9 cm (4 in) SL. As much as 6,886 eggs of up to 2.5 mm (0.1 in) diameter are laid under the cover of rocks and guarded by the male for about four months. Hatching begins in September and the larvae measure 7 mm (0.3 in) TL. [4]

Fisheries

Lindbergichthys nudifrons is of no interest to commercial fisheries. [6]

Related Research Articles

Nototheniidae Family of fishes

Nototheniidae, the notothens or cod icefishes, is a family of ray-finned fishes, part of the suborder Notothenioidei which is traditionally placed within the order Perciformes. They are largely found in the Southern Ocean.

Marbled rockcod Species of fish

The marbled rockcod is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean, where it can be found at depths from 5 to 350 m. This is a commercially important species.

Painted notie Species of fish

The painted notie, or painted notothen, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean.

<i>Paranotothenia magellanica</i> Species of fish

Paranotothenia magellanica), also known as Magellanic rockcod, Maori cod, blue notothenia or orange throat notothen, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean. "Maori chief" and "black cod", sometimes used for this species, usually refer to fishes from the related genus Notothenia. Being a perciform fish, it is unrelated to the true cods of the order Gadiformes. This species is commercially important as a food fish.

<i>Pagothenia</i> Genus of fishes

Pagothenia is a genus of marine ray-finned fishes, belonging to the family Nototheniidae, the notothens or cod icefishes. These fishes occur in the Southern Ocean.

Akarotaxis is a monotypic genus of marine ray-finned fish belonging to the family Bathydraconidae, the Antarctic dragonfish, its only species is Akarotaxis nudiceps. They are found in the Southern Ocean along the continental shelf of Antarctica.

<i>Trematomus</i> Genus of fishes

Trematomus is a genus of marine ray-finned fishes, belonging to the family Nototheniidae, the notothens or cod icefishes. These fishes occur in the Southern Ocean.

Longfin icedevil Species of fish

The longfin icedevil, also known as the threadfin pinhead, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean where it can be found at depths down to 850 metres (2,790 ft). This species grows to a length of 42 centimetres (17 in) TL. This species is the only known member of its genus and is of no interest to commercial fisheries.

Cryothenia is a genus of marine ray-finned fishes, belonging to the family Nototheniidae, the notothens or cod icefishes. They are native to the Southern Ocean.

<i>Gobionotothen</i> Genus of fishes

Gobionotothen is a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes. They are native to the Southern Ocean.

Grey rockcod Species of fish

The grey rockcod, also known as the grey notothen, stripe-eyes notothen or stripe-eyed rockcod, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean,The grey rockcod feed mainly on macrozooplankton and is of minor importance to commercial fisheries. It is the only species in the genus Lepidonotothen

Toad notie Species of fish

The toad notie, or toad notothen, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Indian sector of the Southern Ocean.

Nototheniops is a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes. The species in this genus are native to the Southern Ocean.

<i>Paranotothenia</i> Genus of fishes

Paranotothenia s a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes. These fishes are native to the Southern Ocean.

<i>Patagonotothen</i> Genus of fishes

Patagonotothen is a genus of marine ray-finned fishes, belonging to the family Nototheniidae, the notothens or cod icefishes. They are native to the southeast Pacific Ocean, southern Atlantic Ocean and the Southern Ocean.

<i>Gvozdarus svetovidovi</i> Species of fish

Gvozdarus svetovidovi, the naked-head toothfish, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is found in the Ross and Cooperation Seas, probably south of the Antarctic Polar Front from pelagic waters down to depths of 550 m (1,804 ft), though it is normally found in a pelagic environment.

<i>Gobionotothen gibberifrons</i> Species of fish

Gobionotothen gibberifrons, the humped rockcod or the humphead notothen, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the islands of the Scotia Arc, the northern part of the Antarctic Peninsula, and Heard Island in the Southern Ocean. This species inhabits depths of 6-429 m, but is most abundant at depths of 100-400 m, at least around Elephant Island.

<i>Gobionotothen marionensis</i> Species of fish

Gobionotothen marionensis, the lobe-lip notothen, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the South Georgia and the South Sandwich Islands in the Atlantic Ocean, and the Crozet and Prince Edward Islands in the Indian Ocean.>

Gobionotothen acuta, the triangular rockcod or the triangular notothen, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the French Southern and Antarctic Lands, the Heard Islands and the Kerguelen Plateau in the Southern Ocean.

Stocky rockcod

The stocky rockcod, also known as the bandtail notothen, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is found in the Southern Ocean.

References

  1. 1 2 3 Froese, Rainer; Pauly, Daniel (eds.) (2021). "Lindbergichthys nudifrons" in FishBase. June 2021 version.
  2. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Lindbergichthys". Catalog of Fishes . California Academy of Sciences . Retrieved 23 September 2021.
  3. ↑ Christopher Scharpf & Kenneth J. Lazara, eds. (12 April 2021). "Order Perciformes: Suborder Notothenoididei: Families Bovichtidae, Pseaudaphritidae, Elegopinidae, Nototheniidae, Harpagiferidae, Artedidraconidae, Bathydraconidae, Channichthyidae and Percophidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 23 September 2021.
  4. 1 2 3 4 5 H.H. Dewitt; P.C. Heemstra; and O. Gon (1990). "Nototheniidae Notothens". In O. Gon and P.C. Heemstra (eds.). Fishes of the Southern Ocean. South African Institute for Aquatic Biodiversity. ISBN   9780868102115.
  5. 1 2 Miller, Robert G (1993). A History and Atlas of the Fishes of the Antarctic Ocean. Nevada, USA: Foresta Institute. p. 792.
  6. ↑ "FAO Catches List". www.fishbase.se. Retrieved 2020-12-22.
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