dcsimg

Diagnostic Description

provided by Fishbase
This species is distinguished by the following characters: usually D XII,11 (rarely XII, 10 or XII, 12) and the pectoral-fin rays 16 (rarely 15, 17 or 18); scale rows in longitudinal series 51-57; relatively long fin days in the dorsal-fin with length of longest 30.9-40.5 (mean 35.8) % of SL, in the anal-fin with longest ray length 35.8-44.8 (40.4) % of SL, in the pectoral fin, the ninth ray length 75.6-113.2 (92.4) % of SL, and in pelvic-fin with longest ray 48.2-71.9 (60.0) % of SL with its posterior tip reaching or extending beyond vertical through posteriormost anal-finsoft ray base when depressed; supraocular tentacle without lateral branches; the postorbital sensory canal absent or not connected to sphenotic spine base at any life history stage. Colouration: body sides with five broad dark black bands and a horizontal broad dark band on caudal peduncle; the fourth and fifth body bands relatively narrow, dorsal width 5.8-9.3(mean 7.4) % of SL and 3.4-9.3 (7.3) % of SL, respectively; the fourth additional (inserted) marking relatively broad, dorsal width 2.1-4.9 (3.6) % of SL (Ref. 123589).
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Recorder
Cristina V. Garilao
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Morphology

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Dorsal spines (total): 11 - 13; Dorsal soft rays (total): 10 - 12; Analspines: 3; Analsoft rays: 6 - 7
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Cristina V. Garilao
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Trophic Strategy

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Found in inshore waters (Ref. 75154). Lurks beneath ledges and crevices in luxuriant coral beds (Ref. 275).
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Pascualita Sa-a
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Biology

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A generally uncommon species that inhabits lagoon and seaward reefs (Ref. 9710). Prefers rocky reefs and seems to avoid stony corals. Coastal, sometimes in surge zones where in narrow crevices, or along rock-walls in small caves (Ref. 48635). Found under ledges during the day (Ref. 9710). Feeds exclusively on small crabs and shrimps. Capable of inflicting a painful sting. Minimum depth reported taken from Ref. 30874.
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Susan M. Luna
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Importance

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fisheries: subsistence fisheries; aquarium: commercial
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Susan M. Luna
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分布

provided by The Fish Database of Taiwan
分布於印度-太平洋區,西起紅海、東非及南非,東至日本南部、萊恩島(Line Is.)及馬貴斯群島(Marquesas Is.),南至西澳洲、澳洲昆士蘭、新克里多尼亞島(New Caledonia)及東加群島(Tonga Is.)。臺灣分布於西南部、南部、東北部、澎湖、綠島及蘭嶼。
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臺灣魚類資料庫
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臺灣魚類資料庫

利用

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中小型魚類,除學術研究及水族觀賞外,偶有人食用。已能人工繁殖,在水族商業上具有經濟性。
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描述

provided by The Fish Database of Taiwan
體延長,側扁。頭中大,棘稜具明顯的鋸齒狀。眼中大,上側位;眼眶略突出於頭背;眶上骨皮瓣小或缺如。口中大,斜裂,上下頜等長;下頜無鋸齒狀緣,亦不被有細鱗;吻僅具1對短鬚;鼻瓣短。淚骨寬大且方形,外側具數個小棘,上緣具1短小之關節突起;下緣前葉角形,外側具1短小之關節突起。眼眶下具5個眶下骨。眶前骨中部具5輻射狀感覺孔管。前鰓蓋骨3棘;鰓蓋骨具1扁棘,刺前無稜。下鰓蓋骨及間鰓蓋骨無棘。額骨光滑,眶上稜高凸,具微小眼前棘與眼後棘各一個;眼間額稜不明顯,無棘。側篩骨光滑,眼前棘不明顯。眶上稜高凸,眼上棘和眼後棘皆不明顯。眼間具額稜1對,低平,後端具1額棘;頂骨光滑,頂稜高,後端具1頂棘;眼後至側線前端具1-3微小蝶耳棘;翼耳棘1個,低鈍;後顳顬棘1個;肩胛棘2個,圓鈍;無脈棘。前額骨高突,吻背後部橫凹,眼間距凹入。吻端具一對細尖皮鬚;前鼻孔後緣具1短皮瓣;眶前骨下緣具2細尖皮鬚;眼上棘有1細尖皮鬚;前鰓蓋骨後下緣具2細尖皮鬚;上下頷、眼前棘、眼後棘、眶下稜、頂棘、眼球、鰓蓋骨、頰部、體側及鰭上無明顯皮瓣。鱗片較大,弱櫛鱗。頭部、胸部及腹部鱗片細小;吻部、上下頷、眶前骨、眼間隔、頭部腹面及鰓蓋條部無鱗;眼間距及頸部無鱗;眼後方、頰部、鰓蓋大部分及間鰓蓋骨上部具鱗片;胸鰭基部具鱗;背鰭、臀鰭、腹鰭及尾鰭無鱗。側線上側位,前端淺弧形,後端平直,末端延伸至尾鰭基部。背鰭長且大,硬棘與鰭條有鰭膜相連,硬棘部鰭膜凹入而近基底,硬棘部的基底長於軟條部的基底,第七至第八硬棘最長,最後2硬棘最短,具硬棘 XII,軟條 11;臀鰭起始於背鰭第一軟條下方,鰭長度較背鰭軟條短,鰭條後方延伸至背鰭前半部,具硬棘 III,軟條6;胸鰭寬長,下側位,無鰭條分離,長度超過尾鰭基部,無分枝鰭條,軟條16;腹鰭延長且大,胸位,具硬棘 I,軟條5;尾鰭圓形。體紅色,具5-6條白色細長橫紋,橫紋接近鰭基部處分岔呈Y字形,尾柄處具2條白色細長縱紋;背鰭紅色,硬棘與末端白色;胸鰭及腹鰭通常為紅色或紅褐色,鰭條白色;背鰭軟條部、臀鰭及尾鰭皆淡色,軟條紅色。(李承運、林沛立2012/11編寫)
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棲地

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主要棲息於珊瑚、碎石或岩石底質的礁石平臺;也被發現於岸邊到外礁區中有掩蔽的潟湖與洞穴區等。有時會形成小群魚群。棲息深度通常在水淺的區域,但是有報告發現於 80 公尺深處。在大洋性的漂浮階段時,可以移動很長的距離,並且遠離原棲地到亞熱帶區域。背鰭鰭棘下具毒腺,是海中危險生物。
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Clearfin lionfish

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The clearfin lionfish (Pterois radiata), also called the tailbar lionfish, radiata lionfish, fireworks fish or radial firefish, is a carnivorous, ray-finned fish with venomous spines belonging to the family Scorpaenidae, the scorpionfishes and lionfishes. This species lives in the Indian and western Pacific Oceans. This is the only lionfish species which has spines without any markings. It can also be recognized by the pair of horizontal white stripes on its caudal peduncle.

Taxonomy

The clearfin lionfish was first formally described in 1829 by the French zoologist Georges Cuvier with the type locality given as Tahiti.[3] The specific name radiata means "radiated" or "rayed", thought to be an allusion to the long pectoral-fin rays, which are free of fin membrane distally.[4]

Description

The clearfin lionfish grows to a length of about 24 cm (9 in), though a more usual size is 20 cm (8 in). The dorsal fin has 12 or 13 long, venomous spines and 10 to 12 soft rays. The anal fin has three spines and five or six soft rays. The large pectoral fins flare out to the side and are clear and unbanded. The other fins are also colourless. The head and body colour is reddish-brown with about six vertical dark bands of different colour on the body separated by thin white lines. Two white horizontal lines occur on the caudal peduncle which distinguishes this fish from other similar lionfishes.[2][5]

Distribution and habitat

Clearfin lionfish are native to the western Indo-Pacific region. Its range extends from South Africa and the Gulf of Aden to Indonesia, the Society Islands, the Ryukyu Islands, northern Australia, and New Caledonia. It is found on both inshore and offshore rocky reefs at depths to about 25 m (82 ft). Juvenile fish are sometimes found in tide pools.[5]

Biology

The clearfin lionfish is mainly nocturnal. It spends the day hiding in rock crevices, in small caves, or under overhangs. It emerges at night to feed on invertebrates such as crabs and shrimps.[2]

References

  1. ^ Motomura, H. & Matsuura, K. (2016). "Pterois radiata". IUCN Red List of Threatened Species. 2016: e.T69799861A69801032. doi:10.2305/IUCN.UK.2016-3.RLTS.T69799861A69801032.en. Retrieved 18 November 2021.
  2. ^ a b c Froese, Rainer; Pauly, Daniel (eds.) (2022). "Pterois radiata" in FishBase. February 2022 version.
  3. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Pterois". Catalog of Fishes. California Academy of Sciences. Retrieved 10 March 2022.
  4. ^ Christopher Scharpf & Kenneth J. Lazara, eds. (2 October 2021). "Order Perciformes (Part 9): Suborder Scorpaenoidei: Family Scorpaenidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 10 March 2022.
  5. ^ a b King, Dennis; Fraser, Valda (2002). More Reef Fishes & Nudibranchs: East and South Coast of Southern Africa. Struik. p. 28. ISBN 9781868726868.
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Clearfin lionfish: Brief Summary

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The clearfin lionfish (Pterois radiata), also called the tailbar lionfish, radiata lionfish, fireworks fish or radial firefish, is a carnivorous, ray-finned fish with venomous spines belonging to the family Scorpaenidae, the scorpionfishes and lionfishes. This species lives in the Indian and western Pacific Oceans. This is the only lionfish species which has spines without any markings. It can also be recognized by the pair of horizontal white stripes on its caudal peduncle.

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Description

provided by World Register of Marine Species
Capable of inflicting a painful sting. Inhabits lagoon and seaward reefs from the reef flat to a depth of at least 15 m. Feeds exclusively on small crabs and shrimps.

Reference

Froese, R. & D. Pauly (Editors). (2023). FishBase. World Wide Web electronic publication. version (02/2023).

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