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Biology

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Commercially cultured in Japan.
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Importance

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fisheries: commercial
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分布

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分布於西太平洋區,由日本至南中國海。台灣北部、東北部、南部及離島之澎湖均有記錄。
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利用

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偶被延繩釣或沈底之一支釣捕獲,為肉質帶有異味的食用魚,但市場上之評價不及背帶鷹。
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描述

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體長橢圓形,側扁;眼後背部隆起至背鰭起點附近最高,而後漸下降。眼中大;眼前上方乳突明顯。口小,端位;唇厚,灰黃色。齒小,門狀齒;鋤骨具齒。前鰓蓋後上角具一扁棘。鰓膜相連,但與喉峽部分離。體被圓鱗;側線完全。背鰭連續,硬棘XVII,軟條數32;臀鰭硬棘III,軟條數8;胸鰭肥厚,鰭條末端不及肛門;尾鰭深叉形。體呈黃褐色,在體側及頭部計有9條橘黃色的斜帶,均達胸鰭以下。各鰭均為橘黃色;背鰭鰭條部有一條與基底平行的藍縱帶;尾柄及尾鰭上有一些大如瞳孔的白斑散布。/Goniistius zonatus/為同種異名。
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棲地

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棲息在礁砂混合區四周之底部,以一游一停之方式移動,常停棲於礁盤上方,伺機獵取食物,或於砂泥底上,以胸鰭延長之鰭條探尋獵物,以底棲甲殼類為主食。
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Spottedtail morwong

provided by wikipedia EN

The spottedtail morwong (Cheilodactylus (Goniistius) zonatus) is a species of marine ray-finned fish, traditionally regarded as belonging to the family Cheilodactylidae, the members of which are commonly known as morwongs. It is found in the northwest Pacific Ocean.

Taxonomy

The spottedtail morwong was first formally described in 1830 by the French zoologist Georges Cuvier as a new name for Labrus japonicus of Tilesius, Cuvier referred to “Les Cheilodactyls” rather the referring to the genus Cheilodactylus.[1] When Theodore Nicholas Gill described the subgenus Goniistius he designated Cheilodactylus zonatus as its type species.[2] The specific name zonatus means “banded”, a reference to the banded pattern on this fish's body.[3]

Genetic and morphological analyses have strongly suggested that the genus Cheilodactylus was paraphyletic and that only two species, C. fasciatus and C. pixi, both from Southern Africa could be included in a monophyletic genus Cheilodactylus. Further, these analyses also found that other than these two species the rest of the taxa traditionally classified in the family are actually closer to the Latridae and should be classified in that family.[4]

Description

The spottedtail morwong attains a maximum total length of 45 cm (18 in).[5] The overall colour of the body and head is white marked with by several diagonal reddish orange bands, the caudal fin has white spots.[6]

Distribution and habitat

The spottedtail morwong is found in the northwestern Pacific Ocean from Japan and Korea south to southern China, Taiwan and northern Vietnam.[1] It live.s on rocky reef faces and slopes and is typically recotded from depths of 1 to 15 m (3 ft 3 in to 49 ft 3 in).[6]

Biology

The spottedtail morwong feeds on benthic invertebrates that it filters from the substrate.[6] They have been observed feeding in benthic mats of diatoms, taking mouthfuls of diatoms and using the gill rakers to filter out any animals among the algae.[7] These fish defend feeding territories from conspecifics of similar size.[8]

Utilisation

The spottedtail morwong is used In mariculture in Japan.[5]

References

  1. ^ a b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Goniistius". Catalog of Fishes. California Academy of Sciences. Retrieved 31 July 2021.
  2. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Latridae". Catalog of Fishes. California Academy of Sciences. Retrieved 31 July 2021.
  3. ^ Christopher Scharpf & Kenneth J. Lazara, eds. (25 February 2021). "Order Centrarchiformes: Families Centrarchidae, Elassomatidae, Eoplosidae, Sinipercidae, Aplodactylidae, Cheilodactylidae, Chironemidae, Cirrhitidae, Latridae, Percichthydiae, Dichistitidae, Girellidae, Kuhliidae, Kyphosidae, Oplegnathidae, Terapontidae, Microcanthidae, and Scorpididae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 31 July 2021.
  4. ^ Ludt, W.B.; Burridge, C.P. & Chakrabarty, P. (2019). "A taxonomic revision of Cheilodactylidae and Latridae (Centrarchiformes: Cirrhitoidei) using morphological and genomic characters". Zootaxa. 585 (1): 121. doi:10.11646/zootaxa.4585.1.7. PMID 31716185.
  5. ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2021). "Goniistius zonatus" in FishBase. June 2021 version.
  6. ^ a b c "Goniistius zonatus". Saltcorner. Bob Goemans. Retrieved 1 August 2021.
  7. ^ Harvey, Ben; Agostini, Sylvain; Kon, Koetsu; Wada, Shigeki & Hall-Spencer, Jason (2019). "Diatoms Dominate and Alter Marine Food-Webs When CO2 Rises". Diversity. 11 (242): 242. doi:10.3390/d11120242. hdl:2241/00161245.
  8. ^ Kazunori Matsumoto (2002). "Overlapping territory of a benthophagous fish, Goniistius zonatus (Teleostei: Cheilodactylidae)". Ecological Research. 16 (4): 714–726. doi:10.1046/j.1440-1703.2001.00428.x. S2CID 20445747.
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Spottedtail morwong: Brief Summary

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The spottedtail morwong (Cheilodactylus (Goniistius) zonatus) is a species of marine ray-finned fish, traditionally regarded as belonging to the family Cheilodactylidae, the members of which are commonly known as morwongs. It is found in the northwest Pacific Ocean.

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