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Epinephelus rivulatus (Valenciennes, 1830)

Halfmoon grouper
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Native range | All suitable habitat | Point map | Year 2050
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(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Perciformes/Serranoidei (Groupers) > Epinephelidae (Groupers)
Etymology: Epinephelus: Greek, epinephelos = cloudy (Ref. 45335).
More on author: Valenciennes.

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋 礁區魚類; 深度上下限 1 - 150 m (Ref. 9710). ; 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.

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 19.4, range 14 - ? 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 檢索表 | 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 = 7.56 cm TL (Ref. 55367).

主要參考資料 Upload your references | 參考文獻 | 合作者 | 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. 130435: Version 2024-1)

  無危 (LC) ; Date assessed: 15 February 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 





人類使用

漁業: 低經濟
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更多資訊

Trophic ecology
食物相
食性組成
食物消耗量
Food rations
捕食者
Ecology
生態學
Population dynamics
成長參數
Max. ages / sizes
Length-weight rel.
Length-length rel.
長度-頻率
Mass conversion
入添量
豐度
Life cycle
繁殖
成熟度
Maturity/Gills rel.
孕卵數
產卵場
Spawning aggregations

卵發育
仔魚
稚魚動力學
Distribution
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遺傳學
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References
參考文獻

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網路資源

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Estimates based on models

Preferred temperature (Ref. 123201): 21.5 - 28.8, mean 27.2 °C (based on 1542 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00791 - 0.02004), b=3.03 (2.90 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.6   ±0.54 se; based on food items.
Generation time: 2.9 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (K=0.4).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (32 of 100).
價格種類 (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 22.1 [7.7, 45.5] mg/100g; Iron = 0.54 [0.27, 1.15] mg/100g; Protein = 19.1 [17.6, 20.6] %; Omega3 = 0.208 [0.115, 0.369] g/100g; Selenium = 19.8 [9.8, 39.7] μg/100g; VitaminA = 97.4 [23.4, 395.0] μg/100g; Zinc = 0.901 [0.594, 1.361] mg/100g (wet weight);