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Copepod Culture

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Relation http://eprints.cmfri.org.in/10692/
 
Title Copepod Culture
 
Creator Imelda, Joseph
Sarimol, C N
Bhaskaran, Binoy
 
Subject Cage culture
Copepods
Mariculture
 
Description Copepods represent about 80% of zooplankton in the ocean and are the natural food source for many
marine fish larvae. Copepods can adapt to fluctuating environmental conditions and the resting eggs some
copepods produced can survive for years. This makes it a suitable group as live feed in aquaculture.
Live prey is necessary for fish larvae for many reasons. The larvae of many marine fish require prey about
50–100 μm wide at first feeding (Detwyler and Houde, 1970; Yufera and Pascual, 1984). Fish larvae with very
small eggs and little vittelin cannot survive on the yolk available for many days and such larvae are called the
altresial larvae. Such larvae need small feed depending on the smaller mouth size. Also for this type of larvae the
stomach is not fully developed and they obtain digestive enzymes from the live feed they prey upon. Another
advantage of live feed is that fish larvae prefer moving feed rather than inert feed during early stages of
development.
 
Publisher Central Marine Fisheries Research Institute
 
Date 2015
 
Type Teaching Resource
NonPeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/10692/1/33.%20Imelda.pdf
Imelda, Joseph and Sarimol, C N and Bhaskaran, Binoy (2015) Copepod Culture. [Teaching Resource]