Beyşehir Gölü’nde Yaşayan Sudak (Sander lucioperca, Linnaeus 1758) Balığında Metal Tayini

Species richness and diversity of the parasites of two predatory fish species - perch (Perca fluviatilis Linnaeus, 1758) and zander (Sander lucioperca Linnaeus, 1758) from the Pomeranian Bay.

Pomeranian Bay as an ecotone is a transition zone between two different biocenoses, which is characterized by an increase in biodiversity and species density. Therefore, Pomeranian Bay is a destination of finding and reproductive migrations of fish from the rivers entered the area. The aim of the study was to compare parasitic fauna of two predatory fish species from the Pomeranian Bay, collect...

فاکتورهای خونی ماهی سوف سفید (Sander lucioperca, Linnaeus 1758) دریای خزر (سواحل بندر انزلی)

چکیده به‌منظور تعیین پارامترهای خون‌شناسی ماهی سوف سفید دریای خزر (Sander lucioperca, Linnaeus 1758) در زمستان 1387، 32 قطعه ماهی سوف از سواحل جنوبی دریای خزر (بندر انزلی) توسط تور پره به‌صورت تصادفی صید شدند. پس از بیومتری ماهیان، از آن‌ها خون‌گیری به‌عمل آمد. خون مورد نظر توسط سرنگ از ساقه دمی گرفته شده، سپس به ویال‌هایی حاوی هپارین (ماده ضد انعقاد خون) ریخته و به آ...

A chromosomal analysis of Nepa cinerea Linnaeus, 1758 and Ranatra linearis (Linnaeus, 1758) (Heteroptera, Nepidae)

An account is given of the karyotypes and male meiosis of the Water Scorpion Nepa cinerea Linnaeus, 1758 and the Water Stick Insect Ranatra linearis (Linnaeus, 1758) (Heteroptera, Nepomorpha, Nepidae). A number of different approaches and techniques were tried: the employment of both male and female gonads and mid-guts as the sources of chromosomes, squash and air-drying methods for chromosome ...

Principles of pikeperch (Sander lucioperca) larviculture

Pikeperch (Sander lucioperca) is a species with high nutritional, ecological and commercial values which is endemic in Iran, but its natural stocks are endangered during recent years. Therefore, Iranian Fisheries Organization as the main responsible organization for preservation of aquatic natural stocks of the country planned to stock rehabilitation of this species since 1989. This program had...

Atlantic Salmon, Salmo salar Linnaeus, 1758