Presence of the Wondrous Jewel Squid Histioteuthis miranda (Cephalopoda: Histioteuthidae) in the Eastern Arabian Sea and Determination of its Age from Statoliths

Sajikumar, K K and Venkatesan, V and Binesh, C P and Mohan, Gishnu and Sanil, N K and Kripa, V and Mohamed, K S (2018) Presence of the Wondrous Jewel Squid Histioteuthis miranda (Cephalopoda: Histioteuthidae) in the Eastern Arabian Sea and Determination of its Age from Statoliths. Thalassas: An International Journal of Marine Sciences. pp. 1-8. ISSN 0212-5919

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Abstract

Experimental trawl survey cruises covering twelve stations around Lakshadweep archipelago, in southeastern Arabian Sea, caught eleven individuals of the uncommon squid, Histioteuthis miranda. This is the first record from waters around India. These specimens were caught in midwater trawl net operated from research vessel BFV Silver Pompano^ at a depth of 200 m during night. Detailed morphometric and meristic measurements and molecular taxonomic studies confirmed the species identity. Assuming daily deposition of statolith rings, analysis of increments revealed that the species had slow growth reaching 24 mm dorsal mantle length (DML) at the age of 83 days with an average daily growth rate of 0.28 mm DML/day. A juvenile specimen with 13 mm DML had 68 increments with growth rate of 0.19 mm DML/day. Aberrant microstructure (additional nucleus and rings) were found in the statolith of a 24 mm DML specimen.

Item Type:	Article
Uncontrolled Keywords:	Wondrous Jewel Squid; Arabian Sea; Aberrant statolith; Mesopelagic squid
Subjects:	Fish and Fisheries > Fish biology > age and growth Molluscan Fisheries > Cephalopods
Divisions:	CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division Subject Area > CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division
Depositing User:	Arun Surendran
Date Deposited:	03 Apr 2018 07:01
Last Modified:	17 Feb 2023 11:01
URI:	http://eprints.cmfri.org.in/id/eprint/12665

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