Abstract
The biochemical composition of the adult body tissue is similar in Littorina littorea, L. littoralis, L. saxatilis and L. neritoides. In the newly crawling metamorphosed young of L. littoralis and L. saxatilis, the biochemical composition is similar to that of the mature adults. The newly released planktonic veliger larvae of L. littorea and L. neritoides, which represent and earlier stage of development than the newly crawling young, have a neutral lipid level (mean, 16.5% of ash-free dry flesh weight) approximately three times the level (5.4%) in the newly crawling young of L. littoralis and L. saxatilis. Otherwise the biochemical composition of free-swimming larvae is similar to that of newly crawling young and adults. Neutral lipid is apparently utilised by L. littoralis and L. saxatilis larvae during larval development and metamorphosis. It is suggested that neutral lipid is the major energy reserve of Littorina veliger larvae whereas in the adults, as exemplified by L. littorea, both lipid and carbohydrate are important as energy reserves.
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Communicated by J.H.S. Blaxter, Oban
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Holland, D.L., Tantanasiriwong, R. & Hannant, P.J. Biochemical composition and energy reserves in the larvae and adults of the four british periwinkles Littorina littorea, L. littoralis, L. saxatilis and L. neritoides . Marine Biology 33, 235–239 (1975). https://doi.org/10.1007/BF00390927
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DOI: https://doi.org/10.1007/BF00390927