Use of Larval Size, Instead of Larval Stage, to Study the Ecology of a Stomatopod Crustacean Oratosquilla oratoria

On a stomatopod Oratosquilla oratoria, "the mean larval stage" calculated as the sum of (number of larvae in the A th stage X A)/number of all larvae sampled, had been useful to trace for reproductive sites and time in nature. However, to determine the developmental stage is very time-cons...

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Bibliographic Details
Published inFisheries science Vol. 61; no. 1; pp. 165 - 166
Main Authors Hamano, Tatsuo, Kikkawa, Takashi, Ueno, Shunshiro, Hayashi, Ken-Ichi
Format Journal Article
LanguageEnglish
Published 1995
Subjects
Marine
Oratosquilla oratoria
Stomatopoda
INW, Japan
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Summary:On a stomatopod Oratosquilla oratoria, "the mean larval stage" calculated as the sum of (number of larvae in the A th stage X A)/number of all larvae sampled, had been useful to trace for reproductive sites and time in nature. However, to determine the developmental stage is very time-consuming. The development of its larva is isochronal and regular. Positive correlations were also obtained for the relationship between mean carapace length and mean larval stage on the larvae collected in nature. From these, it is possible to use the mean carapace length, which is very easy to measure, instead of the mean larval stage, to define the degree of development in the larval group.
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ISSN:0919-9268
DOI:10.2331/fishsci.61.165