NDLI: Reproductive cycle, larval development, juvenile growth and size distribution of Patiriella pseudoexigua Dartnall (Echinodermata: Asteroidea)

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Reproductive cycle, larval development, juvenile growth and size distribution of Patiriella pseudoexigua Dartnall (Echinodermata: Asteroidea)

Content Provider	Scilit
Author	Chen, Bin-Yuh Chen, Chang-Po
Copyright Year	2020
Description	The starfish, Patiriella pseudoexigua which occurs in the high intertidal pool of Wanli-ton (22°01'N; 120°41'S) in southern Taiwan, may utilize energy first from body wall and then from the pyloric caeca during its gametogenesis. Females spend more energy on ovaries than males on testes. A narrow and well-synchronized seasonal spawning occurs in October. Lecithotrophic larvae develop directly, lacking the bipinnaria stage, settle on the 6th days and metamorphose completely on the 16th days after insemination when reared at 28°C. The growth of juveniles shows a sigmoid shape and is positively correlated with seasonal changes of temperature. Juveniles are noticed in tide pools in April-May each year. It takes more than one year to become mature. Population size decreases in late summer and adults immigrate into intertidal pools in winter. Reproductive events in the genus Patiriella are discussed. Book Name: Biology of Echinodermata
Related Links	https://content.taylorfrancis.com/books/download?dac=C2010-0-34634-3&isbn=9781003077565&doi=10.1201/9781003077565-65&format=pdf
Ending Page	297
Page Count	1
Starting Page	297
DOI	10.1201/9781003077565-65
Language	English
Publisher	Informa UK Limited
Publisher Date	2020-07-26
Access Restriction	Open
Subject Keyword	Book Name: Biology of Echinodermata Zoology Juveniles Intertidal Pools Adults Reproductive Size Days Patiriella Pseudoexigua
Content Type	Text
Resource Type	Chapter

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