Özet:Benekli pisinin kör bölge otolitinde merkez tam ortada bulunurken, gözlü bölge otolitinde ise otolitin posterior kısmına daha yakındır. Bundan dolayı, opak ve hiyalin halkalar kör bölge otolitinde hem anterior hem posterior kısımda gözlenebilirken, gözlü bölge otolitinde merkez posterior tarafa daha yakın olduğu için halkalar bu kısımda çakışmakta ve halka devamlılığının takibi güçleşmektedir. Kör ve gözlü bölge ortalama otolit boyları 4.599 ±0.069 mm ve 4.768 ±0.067 mm (P<0.05), genişlikleri 3.285 ±0.043 mm ve 3.511±0.047 mm (P<0.05), ağırlıkları 0.0148 ±0.0005 g ve 0.0154 ±0.0005 g (P>0.05)'dır. Merkezin durumu ve annulusların devamlılığı sebebiyle yaş okumalarında kör bölge otoliti tercih edilmelidir. Yaş okumaları bütün ve kırılarak yakılmış kör bölge otolitlerinde yapılmıştır.
Abstract: Otolith Structure, Otolith Dimensions-Fish Length Relationships and Age Determination of Fourspotted Megrim Lepidorhombus boscii (Risso, 1810)The core is centric in the fourspotted megrim's blind side otoliths where it is near the posterior area in the ocular side otoliths. Consequently, while the opaque and hiyalin rings were observed both anterior and posterior area on the blind side otoliths, rings were overlapped on the ocular side otoliths, because of having a core nearly posterior area and this made it difficult to follow the continuity of zones. The mean values of the blind and ocular side otoliths were 4.599 ±0.069 mm ve 4.768 ±0.067 mm (P<0.05) in length, 3.285 ±0.043 mm ve 3.511 ±0.047 mm (P<0.05) in width, 0.0148 ±0.0005 g ve 0.0154 ±0.0005 g (P>0.05) in weight respectively. Because of the case of focus and continuity of annuli, the blind side otolith has been prefered in age determination. Age readings have been made in whole and broken-burnt blind side otolith.
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