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Length Measurement of Finfish and Shellfish: Its Uses in Fisheries Biology

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Relation http://eprints.cmfri.org.in/14303/
 
Title Length Measurement of Finfish and Shellfish: Its Uses in Fisheries Biology
 
Creator Roul, Subal Kumar
Ghosh, Shubhadeep
Rohit, Prathibha
 
Subject Fishery Biology
Fish and Fisheries
 
Description The conservation and management process in fisheries depends on
the type of stock and its assessment. Hence, it is important to understand
the input parameters for the models used in the stock assessment. The
length-frequency is one of the sensitive parameter which is used most
frequently to know the dynamics of fish stocks in tropical waters. The
correct data collection on the length measurement plays a vital rolein
estimating the population parameters and to study the stock
characteristics, biology, and taxonomy of fishes. The length
measurements such as total length (for most fish species), fork length
(tunas), standard length (used mostly in taxonomy/systematics), body
length (needlefishes), lower jaw fork length (billfishes), pre-anal length
(ribbonfishes), and disc width (rays) are considered as the standard
measurement for fin fishes, whereas carapace length (prawns, lobsters and
crayfishes), carapace width (crabs), mantle length (cephalopods), shell
length, shell width, shell depth (bivalves),and shell height (gastropods)are
used for the shell fishes. This chapter will providea detail insights on
thedifferent standard length measurements and techniques used for the
measurement of fish length.
 
Publisher College of Fisheries, Assam Agricultural University
 
Date 2020
 
Type Book Section
PeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/14303/1/Conservation%20of%20Aquatic%20Biodiversity_2020_Subal%20Roul_SCoPIF.pdf
Roul, Subal Kumar and Ghosh, Shubhadeep and Rohit, Prathibha (2020) Length Measurement of Finfish and Shellfish: Its Uses in Fisheries Biology. In: Conservation of Aquatic Biodiversity. College of Fisheries, Assam Agricultural University, Raha, Assam, pp. 269-277. ISBN 978-93-84679-89-7