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Lutjanus apodus (Walbaum, 1792)

Schoolmaster snapper
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Lutjanus apodus   AquaMaps   Data sources: GBIF OBIS
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Lutjanus apodus
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Jamaica country information

Common names: Dogtooth snapper, Schoolmaster
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in the water bodies and channels of Port Royal, mangal, Kingston. Type locality Lucea, Runaway bay, Ocho Rios, Port Antonio, Great Salt Pond, Half moon bay, Whitehouse, Big Pelican Cay, Portland Bight and off south Jamaica (Ref. 27228).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/jm.html
National Fisheries Authority: http://www.caricom-fisheries.com/jamaica-fisheries
Occurrences: Occurrences Point map
Main Ref: Alleng, G.P., 1997
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Eupercaria/misc (Various families in series Eupercaria) > Lutjanidae (Snappers) > Lutjaninae
Etymology: Lutjanus: Malay, ikan lutjan, name of a fish.
  More on author: Walbaum.

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋; 半咸淡水 礁区鱼类; 深度上下限 2 - 63 m (Ref. 9626).   亞熱帶的; 42°N - 19°S, 98°W - 31°W (Ref. 55)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Western Atlantic: north to Massachusetts, USA (rare in Florida) and south to Trinidad and northern Brazil.
西大西洋: 百慕達群島 (參考文獻 26938), 向北遠至美國麻薩諸塞州,巴哈馬,墨西哥灣 , 安地列斯群島 (參考文獻 26938), 向南至千里達與巴西北部。 東大西洋: 到赤道幾內亞的象牙海岸.(參考文獻 10795)

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 25.0  range ? - ? cm
Max length : 79.1 cm FL 雄鱼/尚未辨别雌雄; (Ref. 69373); common length : 35.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 55); 最大体重: 10.8 kg (Ref. 26340); 最大年龄: 42 年 (Ref. 128039)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 10; 背的软条 (总数) : 14; 臀棘: 3; 臀鳍软条: 8. Snout long and pointed, mouth large. One of the upper pairs of canine teeth notably enlarged, visible when mouth is close. Preopercular notch and knob weak. Pectoral fins long, reaching the level of anus. Scale rows on back parallel to lateral line, at least anteriorly. Olive gray to brownish on upper back and sides, with eight narrow, pale vertical bars which may be faint or absent in large adults. A solid or broken blue line which may disappear with growth, runs under the eye.
吻长而尖的, 嘴大的。 上面对犬齿之一特别地增大了, 看得见的嘴何时是结束。 前鳃盖骨凹槽与疖瘤弱的。 胸鳍长的, 达到肛门高度。 鳞片列背面平行于侧线, 至少在前面。 橄榄色灰色到褐色的在上面的背面与侧边上, 藉由八个狭窄又灰白的纵带那可能是模糊的或不存在于大的成鱼。 一条完整或断续的蓝色线那可能随着成长而消失, 在眼下伸展。

生物学特性     字汇 (例如 epibenthic)

Adults occur in shallow, clear, warm, coastal waters over coral reefs. Often near the shelter of elkhorn corals and gorgonians (Ref. 9710). Juveniles are encountered over sand bottoms with or without seagrass (Thalassia), and over muddy bottoms of lagoons or mangrove areas. Young sometimes enter brackish waters. Sometimes form resting aggregations during the day. Feed on fishes, shrimps, crabs, worms, gastropods and cephalopods. Considered a good food fish, it is marketed fresh or frozen (Ref. 55). Maximum length for female taken from Ref. 3093.

出现于浅且清澈, 温暖的, 在珊瑚礁上的沿岸水域。 时常在 elkhorn 珊瑚与柳珊瑚的庇护所的附近.(参考文献 9710) 稚鱼被见到砂质底部之上,有海草或没有海草的地方 ( Thalassia), 而且泻湖或红树林区域在泥沙底上面。 幼鱼有时进入半咸淡水域。 有时形成休息的群集在白天期间。 吃鱼,虾,螃蟹,蠕虫,腹足动物与头足类动物。 被认为是一个好食用鱼了, 它生鲜或冷冻地被在市场上销售。 (参考文献 55) 最大的母鱼体长取自了参考文献 3093.

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

西大西洋: 百慕達群島 (參考文獻 26938), 向北遠至美國麻薩諸塞州,巴哈馬,墨西哥灣 , 安地列斯群島 (參考文獻 26938), 向南至千里達與巴西北部。 東大西洋: 到赤道幾內亞的象牙海岸.(參考文獻 10795)

主要参考文献 Upload your references | 参考文献 | 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)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 10 October 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  有雪卡鱼毒中毒的报导 (Ref. 30911)




人类利用

渔业: 商业性
FAO(Publication : search) | FishSource | 周边海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 23.3 - 28, mean 26.4 (based on 412 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.01312 - 0.01668), b=2.97 (2.95 - 2.99), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
营养阶层 (Ref. 69278):  4.3   ±0.4 se; based on diet studies.
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Prior r = 0.60, 95% CL = 0.39 - 0.89, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  High vulnerability (62 of 100).
价格分类 (Ref. 80766):   High.