Developmental changes in the rock boring sea urchin, Echinometra mathaei (de Blainville) larvae exposed to macro algal extracts of Hypnea musciformis and Ulva fasciata

Jean Jose, J and Lipton, A P (2006) Developmental changes in the rock boring sea urchin, Echinometra mathaei (de Blainville) larvae exposed to macro algal extracts of Hypnea musciformis and Ulva fasciata. Journal of the Marine Biological Association of India, 48 (1). pp. 100-110.

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Abstract

The influence of methanol extracts of Hypnea mu.sr~forn~(Rish odophyceae) and Ulva ,fasciata (Chlorophyceae) on the development and behavioral changes in the rock boring sea urchin larvae Erhinonletra mathaei was evaluated. H. mu.sc~formiesx tract at 0.095 and 0.0095 rnglrnl suppressed the,development of the sea urchin larvae and retained them in the prism stage itself. In the short-term exposure, larvae up to 5-& day were only affected. The extracts of U. fasciata did not influence the larval developmental stages at lower concentrations.

Item Type: Article
Uncontrolled Keywords: Sea urchin; Echinometra mathaei; Hypnea musciformis; Ulva fasciata
Subjects: Echinoderms > sea Urchin
Divisions: CMFRI-Cochin > Physiology and Nutrition Pathology
Subject Areas > CMFRI Brochures > CMFRI-Cochin > Physiology and Nutrition Pathology
Depositing User: Dr. V Mohan
Date Deposited: 06 Aug 2010 08:50
Last Modified: 09 Sep 2015 15:15
URI: http://eprints.cmfri.org.in/id/eprint/2125

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