نتایج جستجو برای: carangidae

تعداد نتایج: 232  

Journal: :Revista De Biologia Marina Y Oceanografia 2021

Resumen.- Se evaluó la capacidad de biofiltración nutrientes y el crecimiento las especies macroalgas rodófitas Agarophyton chilense Mazzaella canaliculata clorófita Ulva lactuca utilizando los efluentes del cultivo Seriola lalandi. Las tres utilizadas alcanzan altos valores remoción nitrito fosfato, entre 84,0 87,5%, respectivamente. En cambio, en amonio mejores resultados fueron alcanzados po...

2003
Bertran M. Feitoza Luiz A. Rocha Osmar J. Luiz-Júnior Sergio R. Floeter João L. Gasparini

St. Paul’s Rocks is a very small group of rocky islands located on the mid-Atlantic Ridge just north of the Equator, about 1000 km from the Brazilian coast. The aim of this work is to add new information on the abundance, biology, zoogeography and taxonomy of its reef fishes. In the course of four expeditions the fish fauna was surveyed in tide pools and over reefs at depths down to 62 m using ...

Journal: :Frontiers in Marine Science 2023

Mass accumulations of pelagic sargassum ( Sargassum natans and S. fluitans ) in the Tropical Atlantic, across Caribbean off coast West Africa, are causing extensive ecological socioeconomic harm. The extraordinary volumes influxes could also provide a business opportunity if innovative ways developed to utilise raw material. In-water harvesting provides best collect substantial amounts ‘fresh’ ...

Otoliths are considered as very useful structures of fishes for various studies. This investigation aimed to compare the morphometric parameters between the right and left otoliths of male and female specimens of four species of the fishes belonging to the family Carangidae from the northern Persian Gulf. The morphometric parameters such as weight, length, width, area and perimeter of sagittal ...

ژورنال: علمی شیلات ایران 2013
حافظیه , محمود , ولی نسب , تورج, چراغی شوی , مهدیه,

مطالعه رژیم غذایی گربه ماهی خاکی (Arius dussumieri) با بررسی 132 عدد ماهی صید شده از آب های دریای عمان، استان سیستان و بلوچستان، به مدت یک سال (91-1390) انجام گرفت. در بررسی معده نمونه ها، 31% معده ها پر، 33% نیمه پر و 36% خالی تشخیص داده شد. شاخص خالی بودن معده (VI) در فصول مختلف نشان می دهد، بالاترین درصد در فصل زمستان با 74 درصد و پایین ترین درصد در فصل تابستان با 24 درصد می باشد. شاخص پری م...

ژورنال: علمی شیلات ایران 2013
تقوی مطلق, امین اله, شعبانی, جواد, وهاب نژاد, آرزو,

In order To increase the knowledge of Saurida tumbil biology and ecology, an investigation of food habits of this species was conducted from October 2010 to September 2011 in Bushehr coastal waters, Persian Gulf. 485 fish stomach contents were studied. In this study the frequency of occurrence of prey, feeding intensity index, the index is empty stomachs, the mean Trophic levels and the rate of...

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