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First record of chiroteuthis picteti joubin (cephalopoda: chiroteuthidae) from andaman sea

Published online by Cambridge University Press:  11 August 2025

Sneha Vargheese ,
Kurichithara Kunjumony Sajikumar Open the ORCID record for Kurichithara Kunjumony Sajikumar [Opens in a new window] ,
Ameen Ummath  and
Basheer V S Open the ORCID record for Basheer V S [Opens in a new window]
Sneha Vargheese
Affiliation:
PAGR Centre, ICAR-National Bureau of Fish Genetic Resources, CMFRI Campus, Kochi, 682018, KL, India Faculty of Ocean Science and Technology, Kerala University of Fisheries & Ocean Studies, Kochi, KL, India
Kurichithara Kunjumony Sajikumar
Affiliation:
Shellfish Division, ICAR-Central Marine Fisheries Research Institute, Kochi, KL, India
Ameen Ummath
Affiliation:
Department of Ocean Studies and Marine Biology, Pondicherry University, Port Blair, Andaman & Nicobar Islands, India
Basheer V S*
Affiliation:
PAGR Centre, ICAR-National Bureau of Fish Genetic Resources, CMFRI Campus, Kochi, 682018, KL, India
*
Corresponding author: V.S. Basheer, Email: vsbasheer@gmail.com
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Abstract

Chiroteuthis picteti (Joubin, 1894) is an oceanic squid previously documented from both the Pacific and Atlantic oceans. This is the first report of C. picteti from Andaman Sea. Three specimens were collected from seashore of Corbyn’s Cove, Port Blair, Andaman and Nicobar Islands. All three specimens were identified using morphological characteristics and the COI gene was used for molecular identification. Both morphological and molecular analysis confirmed this species. Our study also suggests the possibility of genetic differentiation within this species since the phylogenetic analysis showed two well-supported clades within C. picteti. One clade consists of sequences from the Indian Ocean (sequences generated in this study), while the other includes sequence from the Pacific Ocean. Further studies are needed to confirm the presence of cryptic groups within this species.

Keywords

Andaman seachiroteuthiscryptic speciesindian oceanintegrated taxonomy

Information

Type
Marine Record
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 105 , 2025 , e87
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of Marine Biological Association of the United Kingdom.

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