Rare double embryos in the egg capsule of Pharaoh Cuttlefish

Laxmilatha, P and Sajikumar, K K (2023) Rare double embryos in the egg capsule of Pharaoh Cuttlefish. Marine Fisheries Information Service, Technical and Extension Series (256). p. 42. ISSN ISSN 0254-380X

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Abstract

The embryonic development of cephalopods is considered unique among molluscs. A recently spawned and deposited egg cluster of Pharaoh Cuttlefish Sepia pharaonis (Ehrenberg, 1831) was collected from the Arabian Sea off Kochi (10°01ʹ52ʹʹ N; 75°55ʹ09ʹʹ E) (40 m depth) on 25th November 2021. The egg stalks were attached to a moored coconut spadix and the colour of the egg cluster was white. Fertilized eggs were brought to the laboratory and allowed to develop in tanks with oxygenated seawater (28°C; pH 8.1-8.3; salinity 34-35 ppt) at the ICAR-Central Marine Fisheries Research Institute, Kochi, India.

Item Type:	Article
Uncontrolled Keywords:	Cuttlefish
Subjects:	Marine Fisheries > Fish landing > Rare occurrence Fishery Biology Molluscan Fisheries > Cephalopods Molluscan Fisheries Eggs and Larvae
Divisions:	CMFRI-Kochi > Marine Capture > Shellfish Fisheries Division Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Shellfish Fisheries Division CMFRI-Kochi > Marine Capture > Shellfish Fisheries Division Subject Area > CMFRI-Kochi > Marine Capture > Shellfish Fisheries Division
Depositing User:	Arun Surendran
Date Deposited:	17 Nov 2023 06:39
Last Modified:	17 Nov 2023 06:39
URI:	http://eprints.cmfri.org.in/id/eprint/17715

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