Growth, repetitive breeding, and aquaculture potential of the spiny lobster,Panulirus ornatus

Abstract

A pair of subadult Panulirus ornatus was reared in the laboratory from July 2001. The female grew from 0.6 to 1.3 kg and the male from 0.5 to 1.6 kg in 2 years before the first mating in July 2003. In 6 months, from July to December 2003, the pair mated and spawned 3 times, producing 1.6 million eggs and 1.1 million phyllosoma larvae. Mating occurred 25 and 63 days after moulting. The female spawned 2-3 days after mating and the incubation time ranged from 23 to 27 days. The phyllosoma larvae were released over 2 successive days. The growth rate reduced after first mating in both the male and female and the female expended 42% of the total weight gain for egg production.

Investigation of Coastal Water Characteristics Along the Southeast Coast of India: A Multivariate Approach

“…Our observation depicted that anthropogenic impact plays a vital role in regulating the physicochemical parameters, barring the environmental parameters such as temperature and salinity, which were demonstrated through the multivariate approach in a more significant way and is comparable with the earlier scientific studies conducted in other coastal locations (Barath Kumar et al, 2018;Pandey et al, 2022). Regular monitoring will help to maintain the seawater quality, promote healthy habitats for flora and fauna, and contribute to coastal conservation and fisheries management (Vijayakumaran et al, 2005;Murugan et al, 2005;Kumar et al, 2009).…”

Ocean Acidification Impact on Haematological and Serum Biochemical Parameters in Lates calcarifer

“…Due to eutrophication and amplification of natural CO 2 some coastal locations may see shifts H + that are at least 2-3 times the world average (Melzner et al, 2012). Many marine organisms' physiological activities are predicted to be influenced by such changes in ocean chemistry, potentially having far-reaching effects on marine biodiversity and ecological processes (Murugan et al, 2005;Vijayakumaran et al, 2005;Fabry et al, 2008;Pörtner, 2008;Kumar et al, 2009;Gattuso et al, 2011).…”

Comparative evaluation of heavy metal concentration in different organs of the asian seabass: A multivariate approach

“…The mean concentration of trace metals in fish organs, seawater, and sediment was well within the permissible level as per the guidelines (WHO, 1989). However, considering that this location is a tourist hotspot, regular monitoring is required to estimate the metal concentration, develop a mitigation plan for promoting healthy habitats for flora and fauna, and contribute to coastal conservation and fisheries management (Murugan et al, 2005;Vijayakumaran et al, 2005;Kumar et al, 2009;Jha et al, 2017;Pandey et al, 2021;Pandey et al, 2022).…”