Clown triggerfish

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Clown triggerfish
Balistoides conspicillum 2607.jpg
Clown triggerfish swimming at Ushaka Sea world
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Balistidae
Genus: Balistoides
Species:
B. conspicillum
Binomial name
Balistoides conspicillum

The clown triggerfish (Balistoides conspicillum), also known as the bigspotted triggerfish, is a demersal marine fish belonging to the family Balistidae, or commonly called triggerfish.

Contents

Description

Because of its coloration, the clown triggerfish is highly prized as an aquarium fish. Sarkanniemi - fish.png
Because of its coloration, the clown triggerfish is highly prized as an aquarium fish.

The clown triggerfish is a fish which grows up to 50 cm (19.7 inches). [2] Its body has a stocky appearance, oval shape and compressed laterally. The head is large and represents approximately one third of the body length. The mouth is small, terminal and has strong teeth. [2]

The first dorsal fin is composed of three spines, one of which is longer and stronger. It is erectile and hidden in a dorsal furrow. This set of dorsal spines composed a trigger system which is a characteristic from the family Balistidae. The second dorsal fin is similar in shape and size to the anal fin which is symmetrically opposed to it. The pelvic fin is reduced to a ventral protrusion. [2]

The background coloration is black. Half of inferior part of the body is marked with big white spots which are more or less round. The area around the first dorsal fin is crossed by yellowish sinuosities which draw like a network reminding the leopard's patterns. There is a yellowish ring around the mouth, which is surrounded by another fin white ring. A white stripe ride the snout just under the eyes level. The second dorsal fin and the anal fin are white and underlined with a yellow line at their base. The caudal peduncle has a yellowish blotch on its top part and has three horizontal sets of spiny scales. The caudal fin is yellowish in its center and has black margin. Juveniles have a black background coloration spangled with small white spots, the extremity of the snout and the base of the first dorsal fin is yellowish. [3]

Distribution and habitat

The clown triggerfish is widely distributed throughout the tropical and subtropical waters of the Indian Ocean and in the western Pacific Ocean. [4] A single record was reported in the Mediterranean Sea in spanish waters in 2012, a likely aquarium release. [5] It is most commonly found along external reef slopes with clear water until 75 m depth. [6] Juveniles are usually staying below 20 m sheltered close to caves or overhangs.

Feeding

Balistoides conspicillum has a varied diet based on different benthic organisms like molluscs, echinoderms and crustaceans. [7]

Behaviour

This triggerfish has a diurnal activity, is solitary and defends a territory. It can be very aggressive with other fish and congeners. The first long dorsal spine when is erected, it is used to impress an opponent or to avoid a predator to pull it out of its refuge.

In aquariums

Because of its attractive coloration, this fish is one of the most highly prized aquarium fish. [8] Like many other triggerfish, it can require a large aquarium and be aggressive towards other fish. It should not be kept with small fish. It will also prey on invertebrates in the aquarium. [9] [10] This fish can become tame enough to be hand-fed; however, one should beware of the fish's sharp teeth. [10]

Related Research Articles

<span class="mw-page-title-main">Triggerfish</span> Family of ray-finned fishes

Triggerfish are about 40 species of often brightly colored fish of the family Balistidae. Often marked by lines and spots, they inhabit tropical and subtropical oceans throughout the world, with the greatest species richness in the Indo-Pacific. Most are found in relatively shallow, coastal habitats, especially at coral reefs, but a few, such as the oceanic triggerfish, are pelagic. While several species from this family are popular in the marine aquarium trade, they are often notoriously ill-tempered.

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

The filefish (Monacanthidae) are a diverse family of tropical to subtropical tetraodontiform marine fish, which are also known as foolfish, leatherjackets or shingles. They live in the Atlantic, Pacific and Indian Oceans. Filefish are closely related to the triggerfish, pufferfish and trunkfish.

<span class="mw-page-title-main">Orange-lined triggerfish</span> Species of fish

The orange-lined triggerfish is a demersal triggerfish. Although Balistapus is a monotypic genus, it is closely related to the genus Balistoides.

<span class="mw-page-title-main">Emperor angelfish</span> Species of fish

The emperor angelfish is a species of marine angelfish. It is a reef-associated fish, native to the Indian and Pacific Oceans, from the Red Sea to Hawaii and the Austral Islands. This species is generally associated with stable populations and faces no major threats of extinction. It is a favorite of photographers, artists, and aquarists because of its unique, brilliant pattern of coloration.

<span class="mw-page-title-main">Royal angelfish</span> Species of fish

The royal angelfish, or regal angelfish, is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae, and the monotypic genus Pygoplites. It is found in tropical Indo-Pacific oceans. It can grow as long as 25 cm.

<span class="mw-page-title-main">Grey triggerfish</span> Species of fish

The grey triggerfish or gray triggerfish, is a ray-finned fish in the triggerfish family. The species is native to shallow parts of the western Atlantic from Nova Scotia to Argentina and also the eastern Atlantic, the Mediterranean Sea and off Angola on the west coast of Africa.

<span class="mw-page-title-main">Red Sea bannerfish</span> Species of fish

The Red Sea bannerfish is a species of marine ray-finned fish, a butterflyfish from the family Chaetodontidae. It is found in the western Indian Ocean. It has been recorded as an introduced species off Florida and as a Lessepsian migrant in the eastern Mediterranean Sea off Turkey.

<span class="mw-page-title-main">Doctorfish tang</span> Species of fish

Acanthurus chirurgus, commonly called doctorfish or doctorfish tang in English and barbero rayado or cirujano rayado in Spanish, is a tropical marine fish common in the Atlantic Ocean.

<i>Balistes vetula</i> Species of fish

Balistes vetula, the queen triggerfish or old wife, is a reef dwelling triggerfish found in the Atlantic Ocean. It is occasionally caught as a gamefish, and sometimes kept in very large marine aquaria.

<i>Pomacanthus maculosus</i> Species of fish

Pomacanthus maculosus, the yellowbar angelfish, half-moon angelfish, yellow-marked angelfish, yellowband angelfish or yellow-blotched angelfish, is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae. It is found in the western Indian Ocean and, more recently, in the eastern Mediterranean Sea.

<span class="mw-page-title-main">Blackbelly triggerfish</span> Species of fish

The blackbelly triggerfish is a ray-finned fish in the family Balistidae found in the Indo-Pacific. It occasionally makes its way into the aquarium trade. It is sometimes known as the blackpatch triggerfish.

<i>Xanthichthys ringens</i> Species of fish

Xanthichthys ringens, the Sargassum triggerfish, is a species of triggerfish from the Western Atlantic, ranging from North Carolina (USA) to Brazil.

<i>Sufflamen bursa</i> Species of fish

The Lei Triggerfish is also known as the bursa triggerfish, scythe triggerfish or boomerang triggerfish, is a triggerfish from the Indo-Pacific. Its name is derived from the two markings behind its eyes that wrap around the fish similar to a Hawaiian Lei. The color of these markings changes depending on the fish's mood, in which case the colors may alter from yellow, dark brown, and black. It is a species of reef fish found in reef ecosystems in the Indo-Pacific, including Japan, Australia, and Hawaii. It occasionally makes its way into the aquarium trade.

<span class="mw-page-title-main">King threadfin</span> Species of fish

The king threadfin, also known as the blind salmon, blink tassel-fish, burnett salmon, gold threadfin, king salmon, kingfish, Sheridan threadfin, triped tassel fish, or threadfin salmon, is a species of marine ray-finned fish, a threadfin from the family Polynemidae which is found in southern New Guinea and northern Australia.

Blennophis anguillaris, the snaky klipfish, is a species of clinid found in the subtropical waters of the Atlantic Ocean around South Africa. It can be found in the subtidal zone and also is a denizen of tidepools. This species can reach a maximum length of 30 centimetres (12 in) TL.

<i>Kuhlia mugil</i> Species of fish

Kuhlia mugil, the barred flagtail, the fiveband flagtail or the five-bar flagtail, is a species of marine ray-finned fish, a flagtail belonging to the family Kuhliidae. It is found in the Indo-Pacific region.

<i>Canthidermis maculata</i> Species of fish

Canthidermis maculata, also known as rough triggerfish or spotted oceanic triggerfish, is a species of triggerfish native to the tropical and subtropical oceans worldwide. Unlike most triggerfish, they are mostly pelagic.

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

Ostorhinchus fasciatus, commonly known as the broad-banded cardinalfish, is a marine fish native to the Indian and Pacific Oceans which is a Lessepsian migrant to the eastern Mediterranean through the Suez Canal from the Red Sea, it was first recorded off Israel in 2008 and has now reached the southern coast of Turkey. It has a number of vernacular names including barred striped cardinalfish, four-banded soldier-fish, striped cardinalfish and twostripe cardinalfish.

<i>Pelates quadrilineatus</i> Species of fish

Pelates quadrilineatus, also known as the trumpeter perch or fourlined terapon, is a species of ray-finned fish in the family Terapontidae, the grunters. It occurs in the western Indo-Pacific region, and also in the eastern Mediterranean Sea, having arrived there by passing through the Suez Canal.

Rhinecanthus lunula, commonly known as the halfmoon picassofish, is a balistid triggerfish species first described by John E. Randall and Roger C. Steene in 1983. It belongs to the Indo-Pacific triggerfish genus Rhinecanthus.

References

  1. Matsuura, K. 2022 (2022). "Balistoides conspicillum". IUCN Red List of Threatened Species . 2022: e.T193740A2269848. doi: 10.2305/IUCN.UK.2022-2.RLTS.T193740A2269848.en . Retrieved 9 December 2022.
  2. 1 2 3 Lieske & Myers,Coral reef fishes,Princeton University Press, 2009, ISBN   9780691089959
  3. "Faits concernant Baliste Léopard (Balistoides conspicillum) - Encyclopédie de la Vie". Archived from the original on 2013-05-21. Retrieved 2013-05-30.
  4. "Faits concernant Baliste Léopard (Balistoides conspicillum) - Encyclopédie de la Vie". Archived from the original on 2013-05-21. Retrieved 2013-05-30.
  5. Atlas of Exotic Fishes in the Mediterranean Sea (Balistoides conspicillum). 2nd Edition. 2021. 366p. CIESM Publishers, Paris, Monaco.https://ciesm.org/atlas/fishes_2nd_edition/Balistoides_conspicillum.pdf
  6. "Faits concernant Baliste Léopard (Balistoides conspicillum) - Encyclopédie de la Vie". Archived from the original on 2013-05-21. Retrieved 2013-05-30.
  7. "Faits concernant Baliste Léopard (Balistoides conspicillum) - Encyclopédie de la Vie". Archived from the original on 2013-05-21. Retrieved 2013-05-30.
  8. "Balistoides conspicillum, Clown triggerfish : fisheries, aquarium". www.fishbase.de.
  9. Dakin, Nick (1992). The Macmillan book of the Marine Aquarium. New York: Macmillan Publishing Company. pp.  177. ISBN   0-02-897108-6.
  10. 1 2 Sanford, Gina (1999). Aquarium Owner's Guide. New York: DK Publishing. pp.  132. ISBN   0-7894-4614-6.