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Common names:
Fingermark bream, Russell's Snapper, Russel's snapper
Occurrence:
native
Salinity:
freshwater
Abundance:
abundant (always seen in some numbers)
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Ref: Wilson, K.D.P., 2003
Importance:
|
Ref:
Aquaculture:
commercial
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Ref: Lee, C. and Y. Sadovy, 1998
Regulations:
|
Ref:
Uses:
live export: yes;
Comments:
Reported from Cape D'Aguilar (Ref. 33067); Sharp Island, Hoi Ha Wan, Tung Ping Chau (Ref. 94637); and Yan Chau Tong (Ref. 129329). Juveniles were recorded from Sha Ha (Ref. 125515) and Starfish Bay (Ref. 125536). The species was observed more than 200 occasions during 400 dive surveys on artificial reefs (Ref. 119494). Also recorded to occur on freshwater: Tai Ho and Sup Long streams in Lantau Island (Ref. 129476). One of the most popular species cultured in Hong Kong (Ref. 12092) and in floating cages (Ref. 12087). Also Ref. 55, 119714, 125586, 126271, 128523.
National Checklist:
Country Information:
https://www.cia.gov/library/publications/resources/the-world-factbook/geos/hk.html
National Fisheries Authority:
Occurrences:
OccurrencesPoint map
Main Ref:
Ni, I.-H. and K.-Y. Kwok, 1999
National Database:
Teleostei > Eupercaria/misc (Various families in series Eupercaria) 鱸形目 (Various families in series Eupercaria) > Lutjanidae (Snappers) 笛鯛科 (Snappers) > Lutjaninae
Etymology: Lutjanus:Malay, ikan lutjan, name of a fish. Eponymy: Dr Patrick Russell (1727–1805) was a British surgeon and naturalist. [...] (Ref. 128868), visit book page. More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 半鹹淡水 礁區魚類; 深度上下限 3 - 80 m (Ref. 9710), usually 20 - 50 m (Ref. 48635). 熱帶; 31°N - 38°S, 31°E - 178°W (Ref. 55)
Western Pacific: Indian Ocean distribution provisionally included as records of L. indicus; species needs to be reassessed, preferably utilising genetic analysis. 印度-西太平洋: 東非到斐濟, 北至日本南部, 南至澳洲。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm?, range 29 - ? cm Max length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 469); common length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 55)
背棘 (總數) : 10; 背的軟條 (總數) : 14; 臀棘: 3; 臀鰭軟條: 8. This species is distinguished by the following characters: body moderately deep to somewhat slender, greatest body depth 2.6-2.8 in SL; preopercular notch and knob poorly developed; vomerine tooth patch triangular or diamond-shaped, with a medial posterior extension; tongue with a patch of granular teeth; gill rakers of first gill arch 6-7 + 7-11 = 13-18 (including rudiments); caudal fin truncate or slightly emarginate; scale rows on back rising obliquely above lateral line. Colour generally pink to whitish with a silvery sheen; a black spot, mainly above lateral line, below anterior rays of soft dorsal fin (adults from the Indian Ocean usually with 7-8 narrow golden brown stripes on sides); juveniles whitish with black stripes on sides and most Indo-Pacific fish with a pale-edged round black spot on upper back (Ref 9821, 90102).
頭部的背面輪廓斜度很大到中等。 眶前骨寬度大約等於, 或些微地少於眼直徑。 前鰓蓋骨凹槽與癤瘤發展不良的。 鱗片列背面斜向上升在側線上面。 通常微白色的或粉紅色有銀色的光輝, 時常褐色在頭部與背部的上半部上。 一個黑色的斑點有時是模糊的, 在側線上在軟背鰭的前部之下。 稚魚來自西太平洋在側邊上微白色的具有四條黑色的斑紋而且在上面的背面上具有一個圓的黑色斑點。
Adults inhabit offshore coral reefs and also inshore rocky and coral reefs (Ref. 30573), at moderate depths, usually over 20 m, and is more common in about 50 m depth (Ref. 48635). Juveniles frequent mangrove estuaries and lower reaches of freshwater streams (Ref. 30573, 48635). They feed on benthic invertebrates and fish (Ref. 5213). Sold in Hong Kong live fish markets (Ref. 27253). A common market fish throughout its range; also a component of artisanal fisheries. Caught with handlines, traps, and bottom trawls and marketed mostly fresh (Ref. 9821).
Allen, G.R., 1985. FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO. (Ref. 55)
Preferred temperature (Ref. 115969): 24.4 - 29.1, mean 28 (based on 1448 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00848 - 0.02050), b=2.98 (2.86 - 3.10), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278): 4.1 ±0.4 se; based on diet studies.
![Image of Lutjanus russellii (Russell\](/images/thumbnails/jpg/tn_Lurus_ue.jpg "Image of Lutjanus russellii (Russell\")
![Image of Lutjanus russellii (Russell\](/images/thumbnails/jpg/tn_Lurus_j0.jpg "Image of Lutjanus russellii (Russell\")