نتایج جستجو برای: himantura walga
تعداد نتایج: 103 فیلتر نتایج به سال:
هدف از مقاله حاضر، بررسی ریزموهای سطحی Dollfusiella spinulifera از خلیج فارس است. تعداد ٥ نمونه سفره ماهی از گونه Himantura sp. در خرداد ماه ١٣٩٠از آب های بندر لنگه توسط صیادان محلی صید شدند. پس از جداسازی سستودها، نمونه ها جهت شناسایی رنگ آمیزی و سپس از بین آنها بهترین نمونه ها انتخاب و با زایلین از لام جدا گردیدند و پس از رنگزدایی، نهایتا با هگزامتیل دیزیلازان خشک و با میکروسکوپ الکترونی...
Moshta (Hadrah in Arabic language) is an intertidal fixed stake trap which is one of the oldest types of fishing gear in the countries of the Persian Gulf including the southern coast of Iran. The detailed data on the mass caught by Moshta in terms of species and quantity (tons/year) in periods of 2007-2010 and 2013-2017 of Hormozgan Province were collected from the Iranian fisheries organizati...
The original description of the genus Tetragonocephalum was published more than one hundred years ago but its taxonomic status was clarified only recently. To date, approximately 30 nominal species of this genus have been described, mostly from the northern Indian Ocean, but nearly half of them are invalid and only 14 species are recognized as valid. In the present study two new species of Tetr...
The South Asian Cichlidae are composed of two clades that together represent the sister group of the Madagascan genus Paretroplus Bleeker. Chaetodon suratensis Bloch and Etroplus canarensis Day are retained in Etroplus Cuvier, while Chaetodon maculatus Bloch is allocated to Pseudetroplus Bleeker. Pseudetroplus is distinguished from Etroplus in having, among other characters, 11 (vs. 12-13) pleu...
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