Diagnostic Description
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İngilizce
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This is the only Scarus in which one of the middle dorsal rays of terminal males is produced into a slightly elongate filament. Small juveniles have a distinctive yellow head and striped to mottled body (Ref. 1602).
Life Cycle
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Oviparous, distinct pairing during breeding (Ref. 205).
Morphology
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Dorsal spines (total): 9; Dorsal soft rays (total): 10; Analspines: 3; Analsoft rays: 9
Trophic Strategy
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Occurs inshore (Ref. 75154). Feeds by scraping algae from the substrate (Ref. 26993).
Biology
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Often found in large groups (Ref. 90102). Adults usually seen along the reef margin of seaward reefs while juveniles and subadults are found in shallow protected reefs (Ref. 9710). Feeds mainly on algae (Ref. 26993). Occurs to a depth of over 50 m (Ref. 1602). Adults and subadults form groups, juveniles usually solitary (Ref. 9710). Minimum depth of 1 m reported from Ref. 90102.
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- Estelita Emily Capuli
Scarus altipinnis
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İngilizce
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wikipedia EN tarafından sağlandı
Scarus altipinnis, the filament-finned parrotfish, high-fin parrotfish or mini-fin parrotfish, is a species of marine ray-finned fish, a parrotfish from the family Scaridae. It occurs in the tropical and subtropical Western Pacific Ocean.
Description
Scarus altipinnis is distinguished from its congeners in the genus Scarus by the possession of a slightly elongated middle ray in the dorsal fin of the terminal phase males.[2] These males are patterned with green towards the tail and have tow bluish-green bars on their chins and similar coloured spots and lines around the eye and operculum. They also have crescent-shaped tails which have slightly lengthened filaments in their centre. The females, the initial phase, are brownish with a scattering of white spots while the juveniles are striped or mottled with an obvious yellow head.[3] The maximum total length attained is 60 centimetres (24 in).[2]
Distribution
Scarus altipinnis is found in the western Pacific Ocean from the Ryukyu Islands south to Lord Howe Island, throughout Micronesia to the Line Islands and Ducie Island.[2]
Habitat and biology
Scarus altipinnis frequently occurs large groups. The adults are normally recorded along the reef margin of seaward reefs whereas the juveniles and subadults inhabit shallow protected reefs. This species grazes on algae at depths of between 1–50 metres (3.3–164.0 ft). The adults and subadults are sociable while the juveniles are usually solitary. This is an oviparous fish and the male and female form pairs to spawn.[2]
Human usage
Scarus altipinnis is commercially exploited and may be exported in Micronesia. It is fished for elsewhere in its range on a smaller scale.[1]
Threats
The biggest threat to Scarus altipinnis is commercial fishing, especially in Micronesia, and habitat destruction.[1]
Naming
Scarus altipinnis was first formally described as Pseudoscarus altipinnis in 1879 by the Austrian ichthyologist Franz Steindachner (1834–1919) with the type locality given as the Gilbert Islands.[4]
References
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^ a b c Myers, R.; Russell, B.; Choat, J.H.; Clements, K.D.; Rocha, L.A.; Lazuardi, M.E.; Muljadi, A.; Pardede, S.; Rahardjo, P. (2012). "Scarus altipinnis". IUCN Red List of Threatened Species. 2012: e.T190726A17782740. doi:10.2305/IUCN.UK.2012.RLTS.T190726A17782740.en. Retrieved 20 November 2021.
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^ a b c d e Froese, Rainer; Pauly, Daniel (eds.) (2019). "SCarus altipinnis" in FishBase. December 2019 version.
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^ Bray, D.J. (2018). "Scarus altipinnis". Fishes of Australia. Museums Victoria. Retrieved 11 February 2020.
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^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Pseudoscarus altipinnis". Catalog of Fishes. California Academy of Sciences. Retrieved 11 February 2020.
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Scarus altipinnis: Brief Summary
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İngilizce
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wikipedia EN tarafından sağlandı
Scarus altipinnis, the filament-finned parrotfish, high-fin parrotfish or mini-fin parrotfish, is a species of marine ray-finned fish, a parrotfish from the family Scaridae. It occurs in the tropical and subtropical Western Pacific Ocean.
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