Journal of Marine Biology & Oceanography .ISSN: 2324-8661

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Research Article, J Mar Biol Oceanogr Vol: 9 Issue: 1

The Specific Effects on Vision and Body Development of Turbot (Scophthalmus maximus) Larvae Caused by Different Light Spectra

Ming Ming Hana1,2,3, Xian Lia1,2,3, Le Le Wu1,2,4, Shi Hong Xu1,2,3, Yan Feng Wang1,2,3and Jun Li1,2,3*

1Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China

2Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China

3Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China

4University of Chinese Academy of Sciences, Beijing, 100049, China

*Corresponding Author : Jun Li, Key Laboratory of Experimental Marine Biology
Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
Tel: +86 0532 82898718
E-mail: [email protected]

Received: May 06, 2019 Accepted: June 14, 2019 Published: June 24, 2019

Citation: Hana MM, Lia X, Wu LL, Xu SH, Wang YF, et al. (2019) The Specific Effects on Vision and Body Development of Turbot (Scophthalmus maximus) Larvae Caused by Different Light Spectra. J Mar Biol Oceanogr 8:1.

Abstract

This study aimed to find out the effect of five light spectra (white, LDW; blue, LDB; green, LDG; red, LDR and yellow, LDY) on the visual development and growth performance of turbot (Scophthalmus maximus) larvae. The number (per 100 μm) of cone cells, outer nuclear cells, ganglion cells, the ratio of outer nuclear to cone and ganglion cells, lens diameter and the minimum separable angle were determined. Variations in growth performance in total length, body mass, and body color were also examined. The results showed that the LDB group underwent metamorphosis faster than did the other groups and attained the greatest total length, body mass, and light sensitivity. The LDB group also completed the body color variation prior to the other groups. The LDG group exhibited a high mortality rate since 25 dph (days post-hatching). We arrived at the conclusions that the spectra could affect the vision and body development of turbot larvae specifically and the blue light had the enhancing efficiency during this process, followed the white and yellow light. The red light imposed an inhibiting effect on these variations.

Keywords: Spectra; Visual development; Growth performance; Scophthalmus maximus

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