Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake

Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake

The spotted catfish, Arius maculatus (Thunberg, 1792), is a euryhaline fish that is economically important in the Indo-West Pacific. Population dynamics studies and stock assessments of this species have focused on marine stocks, but not those from fresh water. In this study, the age and growth of A...

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Autores principales: Penprapa Phaeviset, Pisit Phomikong, Piyathap Avakul, Sontaya Koolkalaya, Wachira Kwangkhang, Chaiwut Grudpan, Tuantong Jutagate
Formato: article
Lenguaje:EN
Publicado: Pensoft Publishers 2021
Materias:
Aquaculture. Fisheries. Angling
SH1-691
Acceso en línea:https://doaj.org/article/9c9332ef9508441894492d0c8713fa3f
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spelling oai:doaj.org-article:9c9332ef9508441894492d0c8713fa3f2021-12-01T04:30:34ZAge and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake10.3897/aiep.51.740821734-1515https://doaj.org/article/9c9332ef9508441894492d0c8713fa3f2021-11-01T00:00:00Zhttps://aiep.pensoft.net/article/74082/download/pdf/https://aiep.pensoft.net/article/74082/download/xml/https://aiep.pensoft.net/article/74082/https://doaj.org/toc/1734-1515The spotted catfish, Arius maculatus (Thunberg, 1792), is a euryhaline fish that is economically important in the Indo-West Pacific. Population dynamics studies and stock assessments of this species have focused on marine stocks, but not those from fresh water. In this study, the age and growth of A. maculatus were, therefore, investigated for the inland stock in Songkhla Lake, Thailand. A total of 213 individuals ranging between 35 and 238 mm TL were used. The length–weight relation indicated positive allometry of this population. Three hard parts (otolith, dorsal- and pectoral-fin spines) were used for aging. The marginal increment ratio confirmed that an annulus was deposited once a year in all three hard parts. All of the samples were aged between 0+ and 6+ years. Verification of age estimates from three readers showed that the otolith was the most suitable part for age estimation. Three growth models (von Bertalanffy, Gompertz, and logistic) were applied in the study. The von Bertalanffy model best described the growth of this fish in Songkhla Lake. The obtained asymptotic length was 290.87 mm TL and the relative growth rate parameter was 0.166 year–1. Our results will be applied as inputs for fish stock assessment models. The obtained growth parameters also can serve as a reference for A. maculatus stocks elsewhere.Penprapa PhaevisetPisit PhomikongPiyathap AvakulSontaya KoolkalayaWachira KwangkhangChaiwut GrudpanTuantong JutagatePensoft PublishersarticleAquaculture. Fisheries. AnglingSH1-691ENActa Ichthyologica et Piscatoria, Vol 51, Iss 4, Pp 371-378 (2021)
institution DOAJ
collection DOAJ
language EN
topic Aquaculture. Fisheries. Angling
SH1-691
spellingShingle Aquaculture. Fisheries. Angling
SH1-691
Penprapa Phaeviset
Pisit Phomikong
Piyathap Avakul
Sontaya Koolkalaya
Wachira Kwangkhang
Chaiwut Grudpan
Tuantong Jutagate
Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake
description The spotted catfish, Arius maculatus (Thunberg, 1792), is a euryhaline fish that is economically important in the Indo-West Pacific. Population dynamics studies and stock assessments of this species have focused on marine stocks, but not those from fresh water. In this study, the age and growth of A. maculatus were, therefore, investigated for the inland stock in Songkhla Lake, Thailand. A total of 213 individuals ranging between 35 and 238 mm TL were used. The length–weight relation indicated positive allometry of this population. Three hard parts (otolith, dorsal- and pectoral-fin spines) were used for aging. The marginal increment ratio confirmed that an annulus was deposited once a year in all three hard parts. All of the samples were aged between 0+ and 6+ years. Verification of age estimates from three readers showed that the otolith was the most suitable part for age estimation. Three growth models (von Bertalanffy, Gompertz, and logistic) were applied in the study. The von Bertalanffy model best described the growth of this fish in Songkhla Lake. The obtained asymptotic length was 290.87 mm TL and the relative growth rate parameter was 0.166 year–1. Our results will be applied as inputs for fish stock assessment models. The obtained growth parameters also can serve as a reference for A. maculatus stocks elsewhere.
format article
author Penprapa Phaeviset
Pisit Phomikong
Piyathap Avakul
Sontaya Koolkalaya
Wachira Kwangkhang
Chaiwut Grudpan
Tuantong Jutagate
author_facet Penprapa Phaeviset
Pisit Phomikong
Piyathap Avakul
Sontaya Koolkalaya
Wachira Kwangkhang
Chaiwut Grudpan
Tuantong Jutagate
author_sort Penprapa Phaeviset
title Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake
title_short Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake
title_full Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake
title_fullStr Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake
title_full_unstemmed Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake
title_sort age and growth estimates from three hard parts of the spotted catfish, arius maculatus (actinopterygii: siluriformes: ariidae), in songkhla lake, thailand’s largest natural lake
publisher Pensoft Publishers
publishDate 2021
url https://doaj.org/article/9c9332ef9508441894492d0c8713fa3f
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