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寡鳞飘鱼 Pseudolaubuca engraulis (Nichols)

地方名:蓝片子

分类地位:鲤形目,鲤科,飘鱼属

形态特征:体侧扁,口端位,口裂斜。下颌中央具丘突,和上颌中央的凹陷相吻合。背部平直,鳞片大,易脱落。侧线在胸部上方缓慢向下弯。腹棱完全。背鳍 iii-7;臀鳍 iii-17~22。侧线鳞 46~55。体银白色。

生态习性:生活在江河、湖泊水域,喜集群于浅水区的水面游动,行动迅速,飘忽不定,故有“飘鱼 ”之称。杂食性,食昆虫、虾、高等植物碎屑。产卵期为 5~6月,在江河中产漂流性卵。

地理分布:分布在黄河水系及附属水体。

经济价值:宁夏小型土著鱼类,可食用,有一定的经济价值。

LOCAL NAME:Lanpianzi

CLASSIFICATION:Cypriniformes;Cyprinidae; Pseudolaubuca

MORPHOLOGICAL CHARACTERISTICS: Compressed body; terminal mouth awry rima oris; there is a buninoid evection in the center of lower jaw, which anastomose with the dent at the center of upper jaw; flat and straight back; big scales which are easy to be desquamated; side line is slowly bent downwards from upper portion of thoracic region; completed abdomen scutes; dorsal fin iii-7; anal fin iii-17~22; scales in lateral line 46~ 55; body is silvery white.

ECOLOGICAL HABITS: It lives in rivers and lakes, and likes to swim in the surface of wa-tersplash zone in group. It moves and drifts very fast, so it is called Piaoyu; it is an om-nivory fish, which eats insects, shrimps, and debris of higher plants. The spawning season is in May and June, and spawns floating eggs in rivers.

GEOGRAPHICAL DISTRIBUTION: It is distributed in the Yellow River and its tributaries in Ningxia Hui Autonomous Region.

ECONOMIC VALUE: It is a minitype local edible fish with a certain economic value. Mhbn7vjzX2sDEHKClII0nudR8ZShRXUXoe7lPNS4f5H21iqhY54ZIYXFeL+JGsxx

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