Neethu Raj, P and Anil, M K and Rohini Krishna, M V and Raheem, P K (2018) Morphological, anatomical and reproductive features of Loliolus (Loliolus) hardwickei (Gray, 1849) caught from the Vizhinjam Coast, Kerala, India. Indian Journal of Fisheries, 65 (1). pp. 32-39.
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Abstract
The morphological, anatomical and reproductive features of the little Indian squid, Loliolus (Loliolus) hardwickei (Gray, 1849) were studied based on samples collected from boat seine operated along the Vizhinjam Coast. The species was found to be a new entrant to the fishery along the Vizhinjam Coast. A total of 27 morphometric characters were measured and 13 indices were calculated and reported. Dorsal mantle length (DML) of the specimens ranged from 2.6 to 6.8 cm with a mean DML of 4.5±0.88 cm. The largest specimen observed was a male with DML 6.8 cm. Fully mature (Stage IV) specimens were found to have a higher gonadosomatic index (12.54±2.64 in females and 0.8±0.21 in males). Average length and width of spermatophores were 3.078±0.092 mm and 0.11±0.02 mm respectively. Samples with higher DML were in advanced maturity stages (Stage V). Size composition (DML) of samples revealed that 50% of squids were within the 4-5 cm size range.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Anatomy, Gonadosomatic index, GSI, Loliolus (Loliolus) hardwickei, Morphology, Reproductive stages, Size composition |
| Subjects: | Molluscan Fisheries > Cephalopods |
| Divisions: | CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division Subject Area > CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division |
| Depositing User: | Arun Surendran |
| Date Deposited: | 28 Apr 2018 08:30 |
| Last Modified: | 28 Apr 2018 08:30 |
| URI: | http://eprints.cmfri.org.in/id/eprint/12693 |
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