切萨皮克湾下部的黑颊舌鱼(双鱼座:舌鱼科)的早期浮游幼虫

Chesapeake Science Pub Date : 1976-12-01 DOI:10.2307/1350510

J. Olney, G. C. Grant

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引用次数: 17

摘要

1971-1974年，在切萨皮克湾下游进行了一项为期三年的浮游动物调查，共捕获了194只斜腹合虫幼虫。早期幼虫阶段(1.3-6.2毫米NL)的插图和描述。新近孵化的幼虫(1.3-2.8 mm NL)通过色素模式、肠道结构和肉质枕部驼峰来区分。后期幼虫(2.8-6.2 mm NL)通过色素沉着、肠道结构和产生的背射线来识别。

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Early planktonic larvae of the blackcheek tonguefish,Symphurus plagiusa (Pisces: Cynoglossidae), in the lower Chesapeake Bay

One hundred ninety-four larvae ofSymphurus plagiusa were taken in the lower Chesapeake Bay during a three-year zooplankton survey 1971–1974. Early larval stages (1.3–6.2 mm NL) are illustrated and described. Recently hatched larvae (1.3–2.8 mm NL) are distinguished by pigment patterns, gut configuration, and a fleshy occipital hump. Later larvae (2.8–6.2 mm NL) are identified by pigmentation, gut configuration and produced dorsal rays.

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Chesapeake Science

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