珠江广州虎门段鱼类脂肪酸组成及其食性研究

doi:10.14088/j.cnki.issn0439-8114.2020.14.025

湖北农业科学 ›› 2020, Vol. 59 ›› Issue (14): 125-132.doi: 10.14088/j.cnki.issn0439-8114.2020.14.025

珠江广州虎门段鱼类脂肪酸组成及其食性研究

张婷¹, 向刚², 龙胜兴²

1.贵阳学院生物与环境工程学院/贵州省山地珍稀动物与经济昆虫重点实验室,贵阳 550005;
2.贵州师范大学地理与环境科学学院,贵阳 550001

收稿日期:2019-09-30 出版日期:2020-07-25 发布日期:2020-09-14
通讯作者: 向刚（1976-）,男,讲师,主要从事环境生态学研究。
作者简介:张婷（1984-）,女,山东恒台人,博士,讲师,主要从事水环境水体污染修复与分子生物学研究,（电话）13595034820（电子信箱）gyzhangting@163.com
基金资助:
贵阳市科技局（GYU-KYZ[2019-2020]PT18-03）

Fatty acid composition and feeding habit of fish in the Pearl river from Guangzhou to Humen

ZHANG Ting¹, XIANG Gang², LONG Sheng-xing²

1. Guizhou Provincial Key Laboratory for Rare Animal and Economic Insects of the Mountainous Region/College of Biology and Environmental Engineering, Guiyang University, Guiyang 550005, China;
2. School of Geography & Environment Science, Guizhou Normal University, Guiyang 550001, China

Received:2019-09-30 Online:2020-07-25 Published:2020-09-14

摘要/Abstract

摘要： 通过调查珠江广州虎门段鱼种分布,并利用脂肪酸生物标记探究珠江广州虎门段鱼类脂肪酸组成及其食性。结果表明,奇氏罗非鱼（Tilapia zillii）、鲮（Cirrhinus molitorella）、下口鲶（Hypostomus plecostomus）、鲤（Cyprinus carpio）、鲢（Hypophthalmichthys molitrix）、赤眼鳟（Squliobarbus curriculus）、鲫（Carassius auratus）、鳊（Parabramis pekinensis）、红狼牙鰕虎鱼（Odontamblyopus rubicundus）、矛尾鰕虎鱼（Chaeturichthys stigmatias）、七丝鲚（Coilia grayi）和花鲈（Lateolabrax maculatus）是珠江广州虎门段水体中常见的鱼种,鱼体中主要脂肪酸由饱和脂肪酸C14∶0、C15∶0、C16∶0、C17∶0、C18∶0,单不饱和脂肪酸C16∶1ω7、C18∶1ω9、C20∶1ω11,多不饱和脂肪酸C18∶2ω6、C16∶3ω3、C20∶2ω6、C20∶4ω6、C20∶5ω3和C22∶6ω3组成,饱和脂肪酸含量为1 001.49~97 634.47 μg/g ,单不饱和脂肪酸含量为1 161.09~170 924.8 μg/g,多不饱和脂肪酸含量为859.99~98 269.52 μg/g。脂肪酸生物标记表明,胡子鲶（Clarias fuscus）、海南红鲌（Erythroculter pseudobrevicauda）、革胡子鲶（Clarias lazera）、斑鳢（Channa maculate）、月鳢（Channa asiatica）、棘头梅童鱼（Collichthys lucidus）、花鲈、舌鳎（Cynoglossus joyneri）、赤眼鳟、鲫、鳙（Aristichthys nobilis）、七丝鲚、鲻（Mugil cephalus）、日本鳗鲡（Anguilla japonica）、鲢、泥鳅（Misgurnus anguillicaudatus）、奇氏罗非鱼等鱼类主要摄食附着生物、底栖生物、浮游动物及浮游植物,且肉食性特性随体重的增大而增强。

关键词: 鱼类, 脂肪酸特征, 珠江, 食性

Abstract: Fish are important consumers in aquatic ecosystem. Different of fish species were collected form the Pearl river, and the fatty acid content of fish were determined in order to understand characteristic of feeding habits. The results showed that Tilapia zillii, Cirrhinus molitorella, Hypostomus plecostomus, Cyprinus carpio, Hypophthalmichthys molitrix, Squliobarbus curriculus, Carassius auratus, Parabramis pekinensis, Odontamblyopus rubicundus, Chaeturichthys stigmatias, Coilia grayi and Lateolabrax maculatus are main common species in the river. The main fatty acids in fish including saturated fatty acids C14∶0、C15∶0、C16∶0、C17∶0、C18∶0, monounsaturated fatty acids C16∶1ω7、C18∶1ω9、C20∶1ω11, polyunsaturated fatty acids C18∶2ω6、C16∶3ω3、C20∶2ω6、C20∶4ω6、C20∶5ω3和C22∶6ω3. Saturated fatty acids concentration in fish changed from 1 001.49 to 97 634.47 μg/g, with average 33 044.02 μg/g, monounsaturated fatty acids concentration in fish changed from 1 161.09~170 924.8 μg/g, with average 33 044.02 μg/g, and polysaturated fatty acids concentration in fish changed from 859.99~98 269.52 μg/g, with average 23 846.78 μg/g. Fatty acid biomarkers showed that Clarias fuscus, Erythroculter pseudobrevicauda, Clarias lazera, Channa maculate, Channa asiatica, Collichthys lucidus, Lateolabrax maculatus, Cynoglossus joyneri, Squliobarbus curriculus, Carassius auratus, Aristichthys nobilis, Coilia grayi, Mugil cephalus, Anguilla japonica, Hypophthalmichthys molitrix, Misgurnus anguillicaudatus, Tilapia zilliimainly feed on attachments, benthic organisms, zooplankton and phytoplankton, and their carnivorous characteristics increase with body weight increasing.

Key words: fish, fatty acid characteristics, Pearl river, feeding habits

中图分类号:

S917.4

张婷, 向刚, 龙胜兴. 珠江广州虎门段鱼类脂肪酸组成及其食性研究[J]. 湖北农业科学, 2020, 59(14): 125-132.

ZHANG Ting, XIANG Gang, LONG Sheng-xing. Fatty acid composition and feeding habit of fish in the Pearl river from Guangzhou to Humen[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(14): 125-132.

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珠江广州虎门段鱼类脂肪酸组成及其食性研究

Fatty acid composition and feeding habit of fish in the Pearl river from Guangzhou to Humen

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