The length–weight (LWR) and length–length (LLR) relations were estimated for the first time for the seven endemic species of the genus Alburnus Rafinesque. 1820 inhabiting Iranian rivers namely Alburnus atropatenae Berg. 1925; Alburnus caeruleus Heckel. 1843; Alburnus chalcoides (Güldenstädt. https://parisnaturalfoodes.shop/product-category/unfilt-apple-cider-vinegar/