Ring-tailed cardinalfish

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Ring-tailed cardinalfish
Apogon aureus.jpg
Ring-tail Cardinalfish, Apogon aureus.jpg
A group of Ostorhinchus aureus with other cardinalfishes.
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Kurtiformes
Family: Apogonidae
Genus: Ostorhinchus
Species:
O. aureus
Binomial name
Ostorhinchus aureus
Synonyms
  • Centropomus aureusLacepède, 1802
  • Amia aurea(Lacepède, 1802)
  • Apogon aureus(Lacepède, 1802)
  • Gronovichthys aureus(Lacepède, 1802)
  • Apogon roseipinnis Cuvier, 1829

The ring-tailed cardinalfish (Ostorhinchus aureus) is a widespread fish species in the family Apogonidae found in the Red Sea and off East Africa to Papua New Guinea, north to Japan, and south to Australia. [1]

Contents

Taxonomy

Cladogram

O. semilineatus

O. gularis

O. apogonoides

O. aureus

O. flagelliferus

Selected genetic neighbours [2]

The French naturalist Philibert Commerson provided the first description of this fish from Réunion in the western Indian Ocean, but it was not published in a format allowing full citation. Therefore, the species name and description by Bernard Germain de Lacépède (who acknowledged Commerson) takes precedence, albeit with a nod to Commerson. [3] With no original or subsequent illustrations or specimens denoted as types, Fricke nominated a neotype in 1999 but subsequently withdrew it. [4]

Etymology

This species has on occasion been mistakenly considered a junior synonym of the similar species Ostorhinchus fleurieu , but is generally acknowledged as separate; it had the junior species synonym roseipinnis applied by Georges Cuvier in 1829. [5]

Lacépède coined the genus Ostorhinchus in 1802 [6] to which O. aureus was eventually assigned, [7] although he originally placed it in the genus Centropomus which is now placed in a different fish family, Centropomidae.

Description

This fish is coppery-coloured with a broad blackish bar at the base of the tail, up to 14.5 cm in length. The upper jaw has a narrow blue streak, and a broad blackish stripe extends from the front of the snout to the eye. Easily confused with Ostorhinchus fleurieu , [8] where the black tail bar does not narrow in the centre, but unlike this species, the stripe is also present in juveniles.

Internally, O. aureus is one of a large group of nocturnal feeding fishes which has a black pigmented gut lining, apparently to hide the glow of bioluminescent prey from its own piscivores in turn. [9] The eyes of O. aureus allow the transmission of ultraviolet light, [10] which if it is proven to be able to see, could benefit its nocturnal foraging.

Meristics

Using a shorthand meristics formula, O. aureus can be described as having:

D, VII-I,9

A, II,8

P, 14

LL, 25

GR, 6-8 + 16-20 [11]

Habitat

Ostorhinchus aureus inhabits holes in rocks or under ledges in shallow waters. It is known to occur in mixed aggregates with Ostorhinchus apogonoides during summer and autumn, but form separate aggregates in winter and spring.[ citation needed ]

Settlement

Whereas coral reef fish settlement tends to be dominated by larval recruitment, in at least part of Australia's Great Barrier Reef, recruitment of O. aureus at any given coral reef patch tends to be by adult and juvenile migration across intervening sand and coral debris. [12]

Parasites

O. aureus is subject to infection by tiny cnidarian parasites from class Myxosporea. Fish specimens have been found with gall bladder infections of Ceratomyxa apogoni , Ceratomyxa cardinalis , [13] and Ellipsomyxa apogoni ,. [14] Three species have also been found in skeletal muscle cells: Kudoa cheilodipteri , Kudoa whippsi , [15] and Kudoa iwatai. [16]

Behaviour

O. aureus is a nocturnal predator; where seagrass is adjacent to its reef, it tends to venture out further than some other members of its family. [17]

Diet

Studies of stomach content show that O. aureus is a generalist predator, eating mainly planktonic and benthic crustaceans, but, unusually for its family, may at times also eat marine algae. [18]

Reproduction

O. aureus are external bearers, specifically mouthbrooders. Adults tend to pair whilst juveniles tend to aggregate during the day time. [19]

Importance to humans

Aquariums

O. aureus is regularly kept by marine aquarists. [20]

Personal Aquariums

List of aspects that one should be aware of about having ring-tailed cardinalfish as a personal pet:

– This species needs hiding places.

– This species can live with many of its own kind, when provided with enough space.

– This species is nocturnal and therefore the most active when the light is dimmed or turned off.

– This species might be a threat to smaller fishes, shrimps, crabs, etc. [21]

Related Research Articles

<span class="mw-page-title-main">Philibert Commerson</span> French naturalist (1727-1773)

Philibert Commerson, sometimes spelled Commerçon by contemporaries, was a French naturalist, best known for accompanying Louis Antoine de Bougainville on his voyage of circumnavigation in 1766–1769.

<span class="mw-page-title-main">Apogonidae</span> Family of fishes

Cardinalfishes are a family, Apogonidae, of ray-finned fishes found in the Atlantic, Indian, and Pacific Oceans; they are chiefly marine, but some species are found in brackish water and a few are found in fresh water. A handful of species are kept in the aquarium and are popular as small, peaceful, and colourful fish. The family includes about 370 species.

<i>Ostorhinchus fleurieu</i> Species of fish

Ostorhinchus fleurieu is a species of cardinalfish native to the Red Sea and Persian Gulf, the Gulf of Oman, and the waters around East Africa, Seychelles, India, Sri Lanka, the Indo-Malayan region, and Hong Kong., south to the Ashmore Reef, Western Australia. It is the type species of the genus Ostorhinchus. The specific name honours the French explorer and hydrographer Charles Pierre Claret, comte de Fleurieu (1738-1810) who was a colleague and friend of Lacepède's.

<i>Apogon</i> Genus of fishes

Apogon is a large genus of fish in the family Apogonidae, the cardinalfishes. They are among the most common fish on coral reefs. Over 200 species have been classified in genus Apogon as members of several subgenera. Some of these subgenera, such as Ostorhinchus, have been elevated to genus status, leaving just over 50 species in the genus.

<i>Ostorhinchus cyanosoma</i> Species of fish

Ostorhinchus cyanosoma, commonly known as the yellow-striped cardinalfish, goldenstriped cardinalfish, or the orange-lined cardinalfish, is a species of marine fish in the cardinalfish family of order Perciformes. It is native to the Indo-West Pacific.

<i>Ostorhinchus compressus</i> Species of fish

Ostorhinchus compressus, commonly called the ochre-striped cardinalfish, blue-eyed cardinalfish or split banded cardinalfish, is a marine cardinalfish from the Indo-West Pacific from the family Apogonidae. It occasionally makes its way into the aquarium trade. It grows to a size of 12 cm in length.

<i>Ostorhinchus neotes</i> Species of fish

Ostorhinchus neotes, the mini cardinalfish, is a species of ray-finned fish, a cardinalfish, from the family Apogonidae. It is found in the western central Pacific Ocean from the Philippines south to Australia and has been reported from Tonga. It is a small cardinalfish with a small semi-transparent body which has a black stripe along its flanks underneath the skin, and a large, black spot at the base of the caudal fin. It occurs in lagoons and outer reefs where the water is relatively clear and normally where there are soft corals or gorgonian fans. It forms small schools, but mates in couples and the male mouth broods the eggs. It shelters in crevices in the reef.

<i>Ostorhinchus sealei</i> Species of fish

Ostorhinchus sealei, Seale's cardinalfish or the cheek-barred cardinalfish, is a species of ray-finned fish, a cardinalfish, from the family Apogonidae. It is an Indo-Pacific species which ranges from Malaysia east to the Solomon Islands, north to southern Japan and south to northwestern Australia, as well as Palau in Micronesia. It is an uncommon species which occurs among branching corals in the sheltered lagoons protected by reefs. It can be found in small to large aggregations low in the water over the reef. It is infrequent below depths of 10 metres (33 ft). They are mouthbrooders which form pairs to mate. During the day these fish shelter in the reef and they emerge at night to feed on zooplankton and benthic invertebrates. The specific name honours the American ichthyologist Alvin Seale (1871-1958).

<i>Ostorhinchus</i> Genus of fishes

Ostorhinchus is a genus of ray-finned fish in the family Apogonidae native to the Indian and Pacific Oceans.

<i>Kudoa</i> Genus of marine parasites

Kudoa is a genus of Myxozoa and the only genus recognized within the monotypic family Kudoidae. There are approximately 100 species of Kudoa all of which parasitize on marine and estuarine fish. Kudoa are most commonly known and studied for the negative effects the genus has on commercial fishing and aquaculture industries.

Nectamia annularis, also known as the tailring cardinalfish, is a marine fish belonging to the family Apogonidae or also called cardinalfishes.

<span class="mw-page-title-main">Bigtooth cardinalfish</span> Species of fish

Paroncheilus affinis, the bigtooth cardinalfish or longtooth cardinalfish, is a species of marine fish in the family Apogonidae and the only member of its genus. The bigtooth cardinalfish lives in the west-central Atlantic, off southern Florida, United States, and from the Bahamas to Venezuela, and as far south as Suriname. This species also is found in the east-central Atlantic and the Gulf of Guinea, and has been reported as far as Cape Verde. It is a pale orangeish colour.

<i>Ostorhinchus capricornis</i> Species of fish

Ostorhinchus capricornis, also known as the Capricorn cardinalfish, is a species of ray-finned fish, a cardinalfish from the family Apogonidae which occurs around reefs in the western Pacific Ocean.

Paracorynactis is a genus of corallimorphs from the western Indo-West Pacific. They are specialized predators of echinoderms, and are notable for preying on the destructive crown-of-thorns starfish among others. The genus is monotypic with the single species, Paracorynactis hoplites.

Kudoa gunterae is a myxosporean parasite of marine fishes, first discovered in Australia from 10 pomacentrid species and 1 apogonid species.

Kudoa whippsi is a myxosporean parasite of marine fishes, first discovered in Australia from 8 pomacentrid species and 1 apogonid species.

Kudoa paraquadricornis is a myxosporean parasite of marine fishes, first discovered in Australia from 4 carangid species.

Kudoa kenti is a myxosporean parasite of marine fishes, first discovered in Australia from 4 pomacentrid species.

Ceratomyxa brayi is a species of myxosporean parasites that infect gall-bladders of serranid fishes from the Great Barrier Reef. It was first found on Cephalopholis boenak.

Siphamia tubifer, also known as the sea urchin cardinalfish, is a small (~7 cm) coral reef fish in the family Apogonidae. Its geographic range extends from East Africa to the French Polynesian Islands.

References

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