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Lethrinus obsoletus  (Forsskål, 1775)

Orange-striped emperor
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Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) > Lethrinidae (Emperors or scavengers) > Lethrininae
Etymology: Lethrinus: Greek, lethrinia, a fish pertaining to genus Pagellus.

環境 / 氣候 / 範圍 生態學

; 海洋 礁區魚類; 非遷移的; 深度上下限 ? - 30 m (Ref. 2295).    , preferred 28°C (Ref. 107945); 27°N - 26°S, 33°E - 138°W

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Indo-Pacific: Red Sea and East Africa to the Ryukyu Islands and east to French Polynesia.

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 23.7  range ? - 25.7 cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 30573); common length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 30573); 最大年齡: 14 年 (Ref. 2295)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 10; 背的軟條 (總數): 9; 臀棘 3; 臀鰭軟條: 8. The body is light tan or olive to brown, becoming lighter below. the centers of the scales are often lighter than the background color. The head, often, has several broad indistinct vertical and diagonal light and dark bands. Sometimes there are white spots below the eye. The posterior edge of the operculum is dark brown. An orange-yellow stripe is on the lower part of the side with two additional more faint orange-yellow stripes above and one below this stripe. The fins are whitish or tan, sometimes mottled.

生物學特性     字彙 (例如 epibenthic)

Found over seagrass beds (Ref. 41878), sand and rubble areas of lagoons and reefs (Ref. 30573). Found singly or in groups (Ref. 9710). Juveniles on weedy reefs (Ref. 48635). Feed on mollusks, crustaceans, and echinoderms (Ref. 30573). One of the commonest lethrinids along the coast of east Africa (Ref. 4369). Marketed fresh (Ref. 9775).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Gonochorism is inferred for this species as sizes of males and females overlapped and male gonad morphology is typical of secondarily derived testes (Ref. 103751). This may be supported further by the study of Ebisawa etal (2006) which characterised sexual pattern for this species as juvenile hermaphroditism indicating that sexual transition occurred before ovarian maturation, a case for non-functional hermaphroditism in Ref. 103751.

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)

IUCN 瀕危狀態 (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

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