| 出现于南沙海域的黄带棘箱鲀的形态特征 |
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| 引用本文： | 黄梓荣,梁沛文.出现于南沙海域的黄带棘箱鲀的形态特征[J].台湾海峡,2012,31(3):437-439,449. |
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| 作者姓名： | 黄梓荣 梁沛文 |
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| 作者单位： | 1. 中国水产科学研究院南海水产研究所,广东广州,510300;农业部南海渔业资源环境科学观测实验站,广东广州,510300
2. 中国水产科学研究院南海水产研究所,广东广州,510300 |
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| 基金项目： | 中国水产科学研究院南海水产研究所公益性行业科研专项经费资助项目，广东省科技计划资助项目，中央级公益性科研院所基本科研业务费专项资金资助项目 |
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| 摘 要： | 2011年4月17日在南沙海域调查时,采集到2尾棘箱鲀属(Kentrocapros)标本,经鉴定为黄带棘箱鲀(Kentrocapros flavofasciantus),标本现保存在南海水产研究所标本馆.标本体长分别为108、135 mm.无鳍棘和腹鳍,背鳍和臀鳍各1个.背鳍鳍条数目为11,胸鳍鳍条数目为12,臀鳍鳍条数目为10,尾鳍鳍条数目为11.体长为体高的2.41～2.57倍,体宽的3.07～3.09倍,头长的3.38～3.48倍,吻长的4.35～4.70倍.头长为眼径的2.22～2.38倍,眼间隔的1.35～1.54倍,鳃孔长度的3.10～3.33倍.除尾柄、胸鳍基部、背鳍基部、臀鳍基部、肛门附近之外,体披硬体甲,体甲刚好在背鳍前方闭合,体甲为6棱形,无刺平滑,从肛门连续沿纵线到胸鳍基部下前方形成裸褶.体侧无侧线.上下颌每侧具8个小柱状切牙.胸鳍最上第一鳍条很短,长度约为第二鳍条的1/6.体为褐黄色,体甲有两条较宽的纵向黄带.唇为褐棕色,牙为红褐色.所有鳍条为黄色或略显褐黄色.
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| 关 键 词： | 海洋生物学 黄带棘箱鲀 生物学长度 形态特征 南沙海域 |
Kentrocapros flavofasciantus( Kamohara, 1938 )from Nansha sea and its morphologic characters |
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| HUANG Zi-rong
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LIANG Pei-wen.Kentrocapros flavofasciantus( Kamohara, 1938 )from Nansha sea and its morphologic characters[J].Journal of Oceanography In Taiwan Strait,2012,31(3):437-439,449. |
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| Authors: | HUANG Zi-rong LIANG Pei-wen |
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| Institution: | 1(1.South China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Guangzhou 510300,China; 2.Scientific Observing and Experimental Station of South China Sea Fishery Resources ＆ Environments, Ministry of Agriculture,P.R.China,Guangzhou 510300,China) |
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| Abstract: | Two samples of Kentrocapros were collected in Nansha sea on 17th April 2011 and was identified as K.flavofasciantus.The samples are kept in the Specimen museum of South China Sea Fisheries Research Institute.Morphologic character is described as following： Body length 108 mm and 135 mm respectively.No pelvic fin and fin spines,only one dorsal fin and one anal fin.Dorsal fin 11,pectoral fin 12,anal fin 10,caudal fin 11.Body length 2.41～2.57 times of body depth,3.07～3.09 times of body width,3.38～3.48 times of head length,4.35～4.70 times of snout length.Head length 2.22～2.38 times of eye diameter,1.35～1.54 times of interorbital space,3.10～3.33 times of gill opening length.Body covered with rigid carapace except for caudal peduncle,pectoral fin base,dorsal fin base,anal fin base,and around anus.Carapace of body closing just in front of dorsal fin base.Carapace of body hexagonal in cross-section,smooth and without spines.From anus a longitudinal naked fold running anteriorly to the level of pectoral fin base.Lateral line absent.Eight small cylindric and incisiform teeth in a single row with each jaw.The uppermost ray of pectoral fin very short,about one-sixth the length of the second ray.The body brownish yellow with 2 broad longitudinal yellow bands on the carapace.Lips brown and teeth reddish brown.All fins yellow or slightly brownish yellow. |
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| Keywords: | marine biology Kentrocapros flavofasciantus biological length morphologic character Nansha sea |
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