Development of the regal demoiselle Neopomacentrus cyanomos (Bleeker, 1856) from egg to maturation and spawning stage is described using hatchery reared specimens. Larval rearing of N. cyanomos was carried out using zooplankton as the starting feed up to the 10 th day post-hatch (dph). Larval and post-larval growth was studied for a period of 340 dph. Caudal fin rays began to develop from 8 th dph and the larval body depth increased considerably from 9 th dph onwards. Towards the 10 th dph, at about 5.7 mm total length (TL) half of the specimens underwent notochord flexion. Larvae exhibited decreased transparency with increased pigmentation of the pre-anal body, characterised by presence of stellate melanophores. Towards 15 th dph, the pectoral, pelvic, dorsal, anal and caudal fins were visible with fin rays. The soft dorsal fin started showing pigmentation from 20 th dph onwards and the spinous dorsal from 30 th dph onwards. Towards 30 th day, black pigments were found distributed all over the body. Pigmentation steadily increased from 30 th day onwards and the juveniles fully attained the adult pattern of body colouration by about 90-100 days. First spawning occurred on the 340 th dph at a size of 64-73 mm TL.

Cereals are cheap to produce, easy to store and transport and do not deteriorate readily if kept dry. Among the cereals, wheat (Triticum aestivum L. em Thell.) is the strategic and most important cereal crop for the majority of the world's population about two billion people (36 % of the world population). The annual production and an area of wheat in India was recorded as 109.52 tonnes and 30.55 million hectare with an average productivity of 3464 Kg/ha, respectively (Anonymous, 2021). It was attacked by both field and also storage conditions by many insect pests. Among the pests, it is a very dangerous and harmful primary pest that can able to infest all types of cereals (Perisic et al., 2020). The insect readily infests storage grains and can cause economic losses throughout much of the world due to its high potential viability and adaptability (Scheff et al., 2022). After attaining the adult stage, the large exit holes were bored by mature insect inside the grains, so the control of insect with insecticides and grain protectants is very difficult compared to other pests in stored wheat (Vardeman et al., 2007). Due to its internal feedings, the weight loss caused by adult feeding was varied from 6.5 to 19.4 % during 1 st to 4 th weeks, respectively after adult emergence (Tiwari and Sharma, 2002). To overcome this problem, farmers are using different synthetic insecticides which have inauspicious effects on the environment and non-target organisms and also create resistance to insects, so the small effective work was done to graded the wheat genotypes/varieties and find out the resistant genotype/variety against R. dominica which cause significant damage during storage period (Kumawat and Verma, 2017). Once if the resistant variety was explored, it provides an economically and environmentally safe storage protection at free of cost.The screening experiment of twenty five wheat genotype/ variety for their susceptibility against R. dominica carried out under laboratory condition during 2020-2021. The twenty-five genotypes/varieties were procured from Wheat Research Station, Vijapur for screening process.Collected samples were cleaned and examined critically to separate the damaged seeds and avoid contamination.Initially the seeds were dried in sunlight (Solomon, 1951).The culture of Rhyzopertha dominica was collected from Wheat Research Station, Vijapur and the same were multiplied on the regional wheat variety GW 451 for conducting the further study. The culture was kept in the glass jar (1 Kg capacity) containing wheat variety GW

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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.