Diagnostic Description
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tarjonnut Fishbase
Occurs in three basic color phases: uniformly brown to green, mottled brown to green, or uniformly yellow. First dorsal fin consists of a series of isolated spines, followed by a second dorsal fin consisting of rays. The second dorsal fin is shaped like the anal fin and is found directly above it. A black maxillary stripe usually present, but may be reduced; dorsal and anal fins light, but with a dark basal bar; caudal fin usually with two round black spots; a black spot at the base of each pelvic fin (Ref. 9825).
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Life Cycle
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tarjonnut Fishbase
Oviparous, gonochorous, with pelagic eggs (Ref. 101194).
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Morphology
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tarjonnut Fishbase
Dorsal spines (total): 8 - 12; Dorsal soft rays (total): 24 - 27; Analspines: 0; Analsoft rays: 26 - 29
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Trophic Strategy
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tarjonnut Fishbase
Occur solitarily in reef habitats, including inshore shallows and outer reefs to depths of over 100 m (Ref. 54301). Found in clear, shallow water (Ref. 9275), in rocky and coral areas of protected and seaward reefs (Ref. 1602, 58534, 58652). Feed on small fishes and shrimps (Ref. 9275). Piscivore (Ref. 57615). Slow-moving fish relying partly on stealth and camouflage to sneak up on unsuspecting prey (Ref. 54301). Often seen in the coelacanth caves in depths of 178-243 m. Adults feed on small fish but occasionally videotaped picking blobs of unidentified white plankton from swarms attracted to the mouth of the caves by the lights of the submersible (Ref. 58472).
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Biology
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tarjonnut Fishbase
Found in clear, shallow water (Ref. 9275), in rocky and coral areas of protected and seaward reefs (Ref. 1602, 58302, 58534, 58652). Benthopelagic (Ref. 58302). Feeds on small fishes and shrimps (Ref. 9275). A slow-moving fish relying partly on stealth and camouflage to sneak up on unsuspecting prey. Often darts down vertically on its prey. Usually solitary (Ref. 48635).
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Importance
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tarjonnut Fishbase
fisheries: minor commercial; aquarium: commercial; price category: unknown; price reliability:
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分布
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englanti
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tarjonnut The Fish Database of Taiwan
廣泛分布於印度-泛太平洋海域，西起非洲，東至夏威夷，北迄日本，南至澳洲、羅得豪島；另外分布於東太平洋中部的各島嶼。臺灣各地均可發現。
利用
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englanti
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tarjonnut The Fish Database of Taiwan
中小型魚類，偶為潛水或網具捕獲，除學術研究及水族觀賞外，不具食用價值。
描述
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englanti
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tarjonnut The Fish Database of Taiwan
體甚延長，稍側扁。頭中長；吻突出呈管狀，但側扁。眼小。口小，斜裂；上頜無齒，下頜具細齒。頦部具一小鬚。體被小櫛鱗，側線發達。背鰭具VIII-XII
分離的短硬棘，23-28軟條；臀鰭與背鰭軟條部相對，皆位於體後部，具26-29軟條；胸鰭小；腹鰭腹位，近肛門；尾鰭圓形。體色變化大，有紅褐色、褐色、金黃色等，亦即具有「黃化現象」的表現。一般體色為褐色，有淺色縱帶；背、臀鰭基部另具深色帶；腹鰭基有黑色斑；尾鰭上葉，甚至下葉常有黑圓點。
棲地
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englanti
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tarjonnut The Fish Database of Taiwan
主要棲息於珊瑚礁區。常以倒立的姿勢隱身於軟珊瑚、藻類或是海鞭旁以躲已避敵人；亦具有當敵人靠近時，會迅速變換成和環境顏色一樣的體色，以免自己被發現的〝擬態〞行為。以小魚、小蝦等為主要食物。此外，也常躲在大魚身泛接受免費的保護。攝食方法是用吸食法。
Chinese trumpetfish
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englanti
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tarjonnut wikipedia EN
The Chinese trumpetfish, Aulostomus chinensis, is a demersal marine fish belonging to the family Aulostomidae.
Description
Aulostomus chinensis is a medium-sized fish which grows up to 80 cm in length.[3] Its body is elongated and compressed laterally, with a long, tubular snout which has a small barbel at its inferior extremity. The protrusible mouth can be extended forward to catch prey. On the top posterior part of the body, the dorsal fin is composed of two parts, the first anterior is a set of isolated spines and the second is a small ray fin. This latter fin is similar in shape to the anal fin which is just under. The pelvic fins are located in the middle of the body and are small, with one basal black spot.
The body coloration can be uniform or mottled in a range of grey, brown, or dark green. Some fish are uniformly bright yellow. The rear part of the body is normally black with white dots. Two black spots are present on the tail.[4] The compound set of the long caudal peduncle and the caudal fin is yellowish, whatever the fish coloration. Caudal fin usually has two round black spots, at least one black spot occurs on the top and sometimes a second spot on the low part.[5]
A yellow Chinese trumpetfish
A. chinensis showing the black rear part of the body
A. chinensis, detail of head
A. chinensis, detail of tail
Distribution and habitat
This species is found in tropical and subtropical waters from the Indian Ocean and the Pacific Ocean, but not in the Red Sea.[2] It lives in clear and calm waters in rocky and coral reefs from the surface to 120 m deep.[2]
Behaviour
The Chinese trumpetfish is diurnal and solitary. It is a clever stealth hunter with two techniques to catch its prey. The first is the ambush, consisting of lying in wait for a potential prey close to hard coral, black coral bush, or gorgonian. The second is the discrete tracking, where the trumpetfish stays close to some big fishes (groupers, carangids) or even hawksbill sea turtles (Eretmochelys imbricata) until it has the opportunity to approach unsuspecting prey. The Chinese trumpetfish feeds on small fishes and crustaceans.
References
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Chinese trumpetfish: Brief Summary
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englanti
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tarjonnut wikipedia EN
The Chinese trumpetfish, Aulostomus chinensis, is a demersal marine fish belonging to the family Aulostomidae.
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Description
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englanti
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tarjonnut World Register of Marine Species
Occurs in rocky and coral areas of protected and seaward reefs from below the surge zone to a depth of 122 m. Feeds on small fishes and crustaceans (Ref. 5213). A slow-moving fish relying partly on stealth and camouflage to sneak up on unsuspecting prey. Often darts down vertically on its prey. Sucks small fishes into its mouth. It can change its color pattern to blend with its surroundings. Caught with various type of artisanal gears. Occasionally consumed by the local population.
Froese, R. & D. Pauly (Editors). (2023). FishBase. World Wide Web electronic publication. version (02/2023).
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Habitat
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tarjonnut World Register of Marine Species
Known from seamounts and knolls
Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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