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首页> 外文期刊>Journal of Parasitology >A new species of marine leech (Hirudinida: Piscicolidae) from giant kelpfish, Heterostichus rostratus Girard, in southern California.
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A new species of marine leech (Hirudinida: Piscicolidae) from giant kelpfish, Heterostichus rostratus Girard, in southern California.

机译:来自加利福尼亚南部的巨型海藻鱼Heterostichus rostratus Girard的一种新的海洋水ech(Hirudinida:Piscicolidae)。

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摘要

Collections of giant kelpfish at inner Cabrillo Beach, San Pedro, California revealed the presence of an undescribed species of Heptacyclus, described here as Heptacyclus cabrilloi n. sp. The leech is small, only up to 14 mm total length including suckers; it has 2 pair of slightly crescentiform eyes on the oral sucker, 1 pair of punctiform ocelli on the second annulus of the trachelosome, 13 pairs of punctiform ocelli dorsally and ventrally on the urosome, and 14 marginal punctiform ocelli on the caudal sucker. Pigmentation is yellowish-tan with an unpigmented mid-dorsal stripe on both trachelosome and urosome, and with unpigmented halos around eyespots and urosome ocelli. Male reproductive system with 5 pairs of large, spherical testisacs. Mycetomes present, accessory gland cells on atrial cornu absent. Prevalence was 24.1% in June, 2011 with a range of 1-2 leeches per fish and 25.8% in October, 2011 with a range of 1-6 leeches per fish.
机译:在加利福尼亚州圣佩德罗市内卡布里洛海滩的巨型海藻鱼的集合中发现,存在一种未描述的七足动物物种,在这里被称为“七足动物”。 sp。水ech很小,包括吸盘在内总长度只有14毫米。它在口腔吸盘上有2对略呈月牙形的眼睛,在气管体第二环上有1对点状眼,在尿小体的背侧和腹侧有13对点状眼,在尾状吸盘上有14对边缘点状眼。色素沉着呈棕褐色,在气管小体和尿小体上均带有未染色的中背横纹,并且在眼点和尿小体周围有未染色的光晕。雄性生殖系统,有5对大型球形睾丸。存在菌丝,心房角膜上无附属腺细胞。 2011年6月的流行率为24.1%,每条鱼有1-2个水lee,2011年10月的流行率为25.8%,每条鱼有1-6个水ches。

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