Lutjanus dentatus, African brown snapper : fisheries, gamefish

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Lutjanus dentatus (Duméril, 1861)

African brown snapper
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Lutjanus dentatus   AquaMaps   Data sources: GBIF OBIS
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Image of Lutjanus dentatus (African brown snapper)
Lutjanus dentatus
Picture by Camrrubi, J.-F.

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

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.
More on author: Duméril.

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

海洋; 半鹹淡水 礁區魚類. 熱帶; 7°N - 20°S, 15°W - 15°E (Ref. 55)

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

Eastern Atlantic: west coast of Africa (Ref. 57393), from Senegal to Angola (Ref. 81653), primarily in the Gulf of Guinea (Ref. 55, 57393, 81653), rarely appearing in Senegal (Ref. 57393). Mesoprion retrospinis Valenciennes, 1830 may be the oldest name for this species as the original description agrees closely to that given by Delais, 1952.
東大西洋: 塞內加爾到安哥拉。 主要地在幾內亞灣生存。 (參考文獻 55) Mesoprion retrospinis Valenciennes,1830 當最初的描述接近地同意,可能是最古老的名稱對於這個魚種那被 Delais 給,1952.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 150 cm TL 雄魚/尚未辨別雌雄; (Ref. 81653); common length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 55); 最大體重: 50.0 kg (Ref. 4320)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 10; 背的軟條 (總數): 13-14; 臀棘 3; 臀鰭軟條: 8. Diagnosis: body relatively deep (Ref. 81653). Head conical (Ref. 57393), slightly rounded, its dorsal profile curving gently (Ref. 55, 57393, 81653). Snout somewhat blunt (Ref. 57393, 81653). Preorbital/lachrymal bone broad (Ref. 55, 81653). Lips thick (Ref. 55, 57393, 81653). Vomerine tooth patch chevron-shaped in young individuals and triangular with a short postero-median prolongation in adults (Ref. 57393, 81653). Maxilla extending to about mid-eye level or beyond; preopercular notch and knob weak (Ref. 55, 81653). Pectoral fins of adult not reaching level of anus (Ref. 81653). Scales moderate-sized (Ref. 57393, 81653). Scale rows on back rising obliquely above lateral line (Ref. 55, 57393, 81653). 4-5 scale rows above lateral line and below middle of spinous part of dorsal fin (Ref. 57393, 81653). 9-10 (transverse) scale rows on cheek (Ref. 55, 57393, 81653). Smokey gray on back and upper sides grading to whitish pink on lower sides and belly; sides of juveniles with a series of alternating light and dark bars of about equal widths (Ref. 55, 57393, 81653).
頭部略圓的, 它的背面輪廓逐漸地彎曲。 眶前骨寬的。 唇厚的; 顎骨延伸至大約眼睛中央水平或超過。 前鰓蓋骨凹槽與癤瘤弱的。 鱗片列背面斜向上升在側線上面。 在頰上的鱗片列 9 或 10. 暗灰色的背面與上側面在下側與腹面上的漸層色到微白色的粉紅色。 在側邊上稚魚有大約相等寬度的一系列交互淡色與深色橫帶。

生物學特性     字彙 (例如 epibenthic)

Adults inhabit rocky bottoms and coral reefs (Ref. 55, 57393, 81653). Also common in brackish lagoons and occasionally in rivers (Ref. 55, 81653), especially juveniles (Ref. 57393). Feed on fishes and crustaceans (Ref. 55, 81653).

棲息於岩石底部與珊瑚礁。 也常見於半鹹淡的潟湖與有時在河中。 吃魚與甲殼動物。

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

東大西洋: 塞內加爾到安哥拉。 主要地在幾內亞灣生存。 (參考文獻 55) Mesoprion retrospinis Valenciennes,1830 當最初的描述接近地同意,可能是最古老的名稱對於這個魚種那被 Delais 給,1952.

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

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)

IUCN 瀕危狀態 (Ref. 130435)

  資料不足 (DD) ; Date assessed: 31 March 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 自給性漁業; 游釣魚種: 是的
FAO - Publication: search | FishSource |

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網路資源

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Estimates based on models

Preferred temperature (Ref. 123201): 22.9 - 28, mean 27.4 °C (based on 26 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00898 - 0.02799), b=2.96 (2.82 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.0   ±0.66 se; based on food items.
回復力 (Ref. 120179):  非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
價格種類 (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 15.4 [9.4, 23.2] mg/100g; Iron = 0.243 [0.153, 0.382] mg/100g; Protein = 18.9 [17.4, 20.2] %; Omega3 = 0.119 [0.083, 0.170] g/100g; Selenium = 81.1 [50.6, 127.9] μg/100g; VitaminA = 82 [15, 303] μg/100g; Zinc = 0.4 [0.3, 0.5] mg/100g (wet weight);