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Epinephelus rivulatus  (Valenciennes, 1830)

Halfmoon grouper
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Epinephelus rivulatus   AquaMaps   Data sources: GBIF OBIS
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Image of Epinephelus rivulatus (Halfmoon grouper)
Epinephelus rivulatus
Picture by Randall, J.E.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) > Serranidae (Sea basses: groupers and fairy basslets) > Epinephelinae
Etymology: Epinephelus: Greek, epinephelos = cloudy (Ref. 45335).

環境 / 氣候 / 範圍 生態學

; 海洋 礁區魚類; 深度上下限 1 - 150 m (Ref. 9710).    , preferred ?; 36°N - 36°S, 23°E - 175°E (Ref. 5222)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Indo-West Pacific: East Africa to the western Pacific, southward into temperate waters of South Africa, Australia, and New Zealand. Not known from the Red Sea or Persian Gulf.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 90102); 最大體重: 1.4 kg (Ref. 5222)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 11; 背的軟條 (總數): 16-18; 臀棘 3; 臀鰭軟條: 8. Characterized by red-brown head; body mottled pale-brown color; 5-6 irregular dark brown bars on body; caudal fin dark brown with pale speckling; body scales ctenoid except cycloid anterodorsally above lateral line, on nape, thorax and abdomen; body with auxiliary scales only anterodorsally behind zone of small cycloid scales; greatest depth of body; 2.7-3.2 in SL; rounded caudal fin; pelvic fins, 1.9-2.4 in head length (Ref. 90102); body depth contained 2.7-3.2 times in SL; head length 2.3-2.6 times in SL; head length 2.3-2.6 times in SL; flat to slightly convex interorbital area, dorsal head profile convex; snout length 4.0-5.0 in HL; angular preopercle, with enlarged serrae at angle; straight upper edge of operculum, almost horizontal; posterior and anterior nostril subequal in size; maxilla reaches to or past vertical at rear edge of eye, ventral edge with slight step at distal expansion; 2-3 rows of teeth on midlateral part of lower jaw; pyloric caeca (Ref. 89707).

生物學特性     字彙 (例如 epibenthic)

Sedentary reef-associated species (Ref. 89707). Occurs on coral reefs, areas with rocky substrata, algal flats and seagrass beds. Feeds on fishes and crustaceans (Ref. 30573). A protogynous hermaphrodite (Ref. 55367). Forms spawning aggregations (Ref. 55367). Solitary (Ref 90102).

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

A monandric species (Ref. 55367). Length at sex change = 75.6 cm TL (Ref. 55367).

主要參考資料 Upload your references | 參考文獻 | 合作者 : Heemstra, Phillip C. | 合作者

Heemstra, P.C. and J.E. Randall, 1993. FAO Species Catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date. Rome: FAO. FAO Fish. Synop. 125(16):382 p. (Ref. 5222)

IUCN 瀕危狀態 (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

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