Narrow barred Spanish mackerel and wolf herring is an important commodity that has commercialized intensively to fulfill the needs of market, both domestic export. Research been conducted from June-August 2020 in Malacca Strait Waters. The purpose this study analyze dynamics population parameters such as growth rate, mortality exploitation rates, recruitment patterns narrow (Scomberomorus comme...

The study is an attempt to evaluate the population characteristics and virtual analysis (VPA) of two invasive species (Oreochromis niloticus Oreochromis aureus) using FiSAT II software based on data collected from Garmat Ali River, Iraq. A total 4391 individuals (2727 O. 1664 were measured for length-frequency October 2019 September 2020. Length-weight relationships derived, indicating allometr...

This paper applies the von Bertalanffy growth equation to study age structure and characteristics of 210 Ptychobarbus dipogon collected in September 2019 middle upper reaches Yarlung Zangbo River employs FISAT II software estimate population characteristics’ parameters. Its aim is provide a basis for conservation resources dipogon. In this study, length catch ranged from 137 mm 475 mm, weight 4...

Clarias gariepinus is a threatened highly prized species used for some elite ceremonies by the local communities. Artisanal fishers take advantage of this species annual breeding migration from the lower Cross River to the floodplain lakes in Mid-Cross River during the rainy season, and some migrant stocks are not able to spawn. Since there is a lack of information on this species population dy...

The study investigated growth, mortality and exploitation rate of Pagellus bellottii collected off Sierra Leone, aimed to support efficient management its stock. A total 8, 216 specimens were at random from January-November, 2016 on-board a demersal trawler. Data analysis employed methods implemented in the computerized FiSAT II software using pooled length-frequencies constant class size. Grow...

The purpose of this paper was to detail some important biological aspects of T. tonggol in coastal waters of Hormuzgan Province(Persian Gulf and Oman Sea). A total monthly data of 4383 individuals ranging from 25 to 124 cm fork length were collected from April 2015 to March 2016. The data were analyzed with FiSAT II software using the ELEFAN1  package  to estimate the  population parameters. Th...