The Length-Weight, Length-Length Relationship and Condition Factor of Angora Loach, Oxynoemacheilus angorae (Steindachner, 1897) Inhabiting Kılıçözü Stream in Kızılırmak River Basin (Central Anatolia-Turkey)

Yazıcıoğlu, Okan; Yazici, Ramazan

doi:10.24925/turjaf.v4i12.1165-1168.973

Cited by 9 publications

(10 citation statements)

References 3 publications

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“…The mean condition factor which is a measure of the suitability of the environmental factor for growth of the species obtained for this study was 0.88 and ranged from 0.64 to 1.19. Mean condition factor value was close to the value (0.86) documented by Yazıcıoğlu & Yazıcı, (2016) for Oxynoemacheilus angorae from the Kılıçözü Stream and also relatively lower than the value (0.94) reported by Birecikligil et al (2016) for Oxynoemacheilus angorae from the Kızılırmak River Basin (Birekcikliğil et al, 2016). Differences in mean condition factors of males and females in this study were not statistically significant.…”

Section: Length Frequency Distribution Of O Anatolicus Is Given In Tablesupporting

confidence: 73%

“…Females were caught in higher numbers in this study. A higher proportion of females has also been reported for other members of the Nemacheliidae family, for species such as 1.0/0.63 (f/m) for O. angorae in Kılıçözü Stream (Yazıcıoğlu & Yazıcı, 2016). 1/0.81 (f/m) for O. tigris from Murat River (Koyun, Ulupınar, Mart, & Tepe, 2016).…”

Section: Resultsmentioning

confidence: 79%

“…Despite the high diversity and endemism of Oxynoemacheilus genus in Turkey, knowledge about its biology and population dynamics are still limited. Most of the available studies have focused mainly on lengthweight relationships (Gaygusuz et al, 2012;Erk'akan, Innal, & Özdemir, 2013, 2014Innal, Özdemir, & Dogangil, 2015;Birecikligil, Çiçek, Öztürk, Seçer, & Celepoğlu, 2016;Özcan & Altun, 2016;Yazıcıoğlu & Yazıcı, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Age Structure and Growth Characteristics of the Endemic Fish Oxynoemacheilus anatolicus (Nemacheilidae) in Düğer Creek, Mediterranean region of Turkey

İnnal¹

2019

Aquatic Sciences and Engineering

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The present study reports the age and growth properties of Burdur Loach, Oxynoemacheilus anatolicus Erk'akan, Özeren & Nalbant, 2008 caught from the Düger Spring Creek (Burdur-Turkey) and is currently listed as an endangered species. 100 specimens of O. anatolicus, which ranged in size between 2.5 and 8.6 cm in total length, 0.14 and 5.90 g in total weight, were collected during the study period. Of all the O. anatolicus examined, 5 were immature, 50 were female, and 45 were male. The overall sex ratio in the populations matches the expected value of 1:1 in a normal population. The otolith readings indicated the presence of five age classes (I-V). Length-weight relationships were fitted by the equation W= 0.0082L 3.0402 (p<0.05) for both sexes combined and this indicated that growth was positive allometric. The condition factor values were calculated and ranged from 0.64 to 1.19. The obtained data was compared with available results from close species. This study provided first baseline data related to length-weight relationship, age, sex ratio and condition factor for O. anatolicus -a species whose populations have been threatened due to various ecological changes in its habitats, leading to increased concern and the need for conservation.

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Section: Length Frequency Distribution Of O Anatolicus Is Given In Tablesupporting

confidence: 73%

Section: Resultsmentioning

confidence: 79%

Section: Introductionmentioning

confidence: 99%

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Age Structure and Growth Characteristics of the Endemic Fish Oxynoemacheilus anatolicus (Nemacheilidae) in Düğer Creek, Mediterranean region of Turkey

İnnal¹

2019

Aquatic Sciences and Engineering

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“…Bu çalışma, farklı sucul ekosistemlerde yaşamını sürdüren aynı türe ait popülasyonların karşılaştırılmas ın a ve yorumlanmasına katkı sağlayacağı düşünülerek yapılmıştır. Çünkü çeşitli ekosistemlerde yapılan bu tür çalışmalar, hem aynı türün farklı habitatlardaki verilerin i hem de bu ekosistemlerin çevresel ve ekolojik özelliklerin i karşılaştırma imkânı vermektedir (Koutrakis & Tsikliras , 2003;Gaffaroğlu vd., 2014;Yazıcıoğlu & Yazıcı, 2016;Çiçek vd., 2019). Takson Bilgileri: Türkiye'de Nemacheilid ae familyasına ait 49 tür bulunmaktadır (Çiçek vd., 2019).…”

Section: Introductionunclassified

“…Kuyruğu çatallı olup 6-9 cm kadar büyüyebilir. Habitatlarındaki çeşitli ekolojik faktörlerin ve değişken olan çevre şartlarının tehdidi altında olan bu tür korunması zaruri olan tür görünümündedir (Yazıcıoğlu & Yazıcı, 2016). Ş ekil 2.…”

Section: Introductionunclassified

Ankara Asartepe Baraj Gölü’nde Yaşayan Oxynoemachellus angorae (Steindachner, 1897)’ nın Boy-Ağırlık ilişkileri ve Kondisyon Faktörü

Ata

Saylar

Firidin

2020

Journal of Anatolian Environmental and Animal Sciences

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Öz: Asartepe Baraj Gölü'nde M art 2015-Şubat 2016 tarihleri arasında yürütülen bu çalışmada Oxynoemacheilus angorae (Steindachner, 1897)'nın boy -ağırlık ilişkileri (LWR), kondisyon faktörü ve boy-boy ilişkileri araştırılmıştır. Elde edilen örneklerin total boyları 4-7,8 cm, toplam ağırlıkları ise 1-5 g arasında dağılım göstermiştir. Boy -ağırlık ilişkisinin fonksiyonel denklemi W = 0,00171×TL 2,651 ve korelasyon değeri r 2 = 0,80 olarak hesaplanmıştır. Elde edilen b değeri tüm bireylerde istatistiksel olarak 3'ten farklı çıkmamıştır (t-testi, P>0.05). Kondisyon faktörü değerlerinin 0,54-1,5625 arasında değiştiği belirlenmiştir. Elde edilen veriler son çalışmalarda bildirilen sonuçlarla karşılaştırılmıştır. Yapılan bu çalışma ile Asartepe Baraj Gölü'ndeki O. angorae popülasyonuna ait boy-ağırlık ilişkisi, kondisyon faktörü ve boy -boy ilişkisi ile ilgili ilk temel veriler belirlenerek sunulmuştur. Ayrıca, bu çalışma çeşitli ekolojik faktörlerin etkisiyle tehdit altında bu türün korunması ve balık faunası açısından da önem arz etmektedir.

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Spawning interactions between hatchery‐reared and wild naturalized rainbow trout (Oncorhynchus mykiss, Walbaum, 1792) in high‐altitude tropical streams, Kenya

Njue,

Ngugi,

Muchiri

et al. 2023

Aquaculture Fish & Fisheries

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Rainbow trout (Oncorhynchus mykiss) is among the most widely translocated fish species in the world. The current study evaluated the spawning interactions between naturalized and wild rainbow trout from two high‐altitude second‐order streams, in Kenya. Data on total length, weight, condition factor, fecundity, fertilization, egg diameter and fry survival were collected on spawning rainbow trout between March and December 2021. Length–weight relationship showed parabolic equations as W = 0.0144L2.900, W = 0.0069L3.0285 and W = 0.00027L3.175 for wild fish stock, hatchery‐reared and wild × hatchery‐reared rainbow trout, respectively. Total fecundity differed significantly among the hatchery‐reared, wild fish and the cross of the two (p < 0.05). The fertilization rate showed significant differences (p < 0.05), with no discernable difference observed between the hatchery‐reared and crossed (wild × hatchery‐reared). There was a positive correlation among the total fecundity to female egg weight, female body weight, fertilization rate and eyed egg survival in all the populations. Relative fecundity was significantly different among the three groups of fish (p < 0.05), but the differences between the hatchery and the crossed (wild × hatchery‐reared) fish showed no significant differences. We recommend the use of crossed (wild × hatchery‐reared) populations for fry production for use in aquaculture as they presented the highest fecundity and gave the best outcome of fry with high survival.

show abstract

The Length-Weight, Length-Length Relationship and Condition Factor of Angora Loach, Oxynoemacheilus angorae (Steindachner, 1897) Inhabiting Kılıçözü Stream in Kızılırmak River Basin (Central Anatolia-Turkey)

Cited by 9 publications

References 3 publications

Age Structure and Growth Characteristics of the Endemic Fish Oxynoemacheilus anatolicus (Nemacheilidae) in Düğer Creek, Mediterranean region of Turkey

Age Structure and Growth Characteristics of the Endemic Fish Oxynoemacheilus anatolicus (Nemacheilidae) in Düğer Creek, Mediterranean region of Turkey

Ankara Asartepe Baraj Gölü’nde Yaşayan Oxynoemachellus angorae (Steindachner, 1897)’ nın Boy-Ağırlık ilişkileri ve Kondisyon Faktörü

Spawning interactions between hatchery‐reared and wild naturalized rainbow trout (Oncorhynchus mykiss, Walbaum, 1792) in high‐altitude tropical streams, Kenya

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