Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters

The size, growth and age of two congeneric archer fishes Toxotes jaculatrix and Toxotes chatareus collected from Johor coastal waters, Malaysia was studied. The standard length (SL) and body weight (BW) ranges of the two species caught in the study area were 7-12.2 cm SL (9.35±0.19 cm), 11-55 g BW (...

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Main Authors:	K.D. Simon, A.G. Mazlan, A. Samat, C.C. Zaidi
Format:	Article
Language:	English
Published:	Universiti Kebangsaan Malaysia 2010
Online Access:	http://journalarticle.ukm.my/7392/ http://journalarticle.ukm.my/7392/ http://journalarticle.ukm.my/7392/1/01_Md_Yeaminhossain.pdf

id	ukm-7392
recordtype	eprints
spelling	ukm-73922016-12-14T06:43:56Z http://journalarticle.ukm.my/7392/ Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters K.D. Simon, A.G. Mazlan, A. Samat, C.C. Zaidi, The size, growth and age of two congeneric archer fishes Toxotes jaculatrix and Toxotes chatareus collected from Johor coastal waters, Malaysia was studied. The standard length (SL) and body weight (BW) ranges of the two species caught in the study area were 7-12.2 cm SL (9.35±0.19 cm), 11-55 g BW (27.04±1.62 g) and 8-12.2 cm SL (9.88±0.17cm), 15.12-54g BW (30.52±1.72 g), respectively. The ratio of male and female specimens of T. jaculatrix and T. chatareus were 70%, 30% and 68.6%, 31.4%, respectively. The estimated von Bertalanffy growth parameters were L∞ = 12.78 cm, 13.59 cm and K = 1.46 year-1, 1.53 year-1 with a growth performance index of Ø’ = 5.48 and 5.64 in both species, respectively. In order to determine the age, the technique of reading and interpretation of the daily growth increments/rings in the sagittae otoliths and scales were applied. Daily growth increments and annulus of scales counts confirmed that the ages of the samples for both species were typically less than one year (<1) and the remnant samples were between one and two years. The similarity between scale and otolith age determination was identical and dissimilarity was observed only in few samples of both species. Universiti Kebangsaan Malaysia 2010-10 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/7392/1/01_Md_Yeaminhossain.pdf K.D. Simon, and A.G. Mazlan, and A. Samat, and C.C. Zaidi, (2010) Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters. Sains Malaysiana, 39 (5). pp. 697-704. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol39num5_2010/vol39num5_2010pg697-704.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	The size, growth and age of two congeneric archer fishes Toxotes jaculatrix and Toxotes chatareus collected from Johor coastal waters, Malaysia was studied. The standard length (SL) and body weight (BW) ranges of the two species caught in the study area were 7-12.2 cm SL (9.35±0.19 cm), 11-55 g BW (27.04±1.62 g) and 8-12.2 cm SL (9.88±0.17cm), 15.12-54g BW (30.52±1.72 g), respectively. The ratio of male and female specimens of T. jaculatrix and T. chatareus were 70%, 30% and 68.6%, 31.4%, respectively. The estimated von Bertalanffy growth parameters were L∞ = 12.78 cm, 13.59 cm and K = 1.46 year-1, 1.53 year-1 with a growth performance index of Ø’ = 5.48 and 5.64 in both species, respectively. In order to determine the age, the technique of reading and interpretation of the daily growth increments/rings in the sagittae otoliths and scales were applied. Daily growth increments and annulus of scales counts confirmed that the ages of the samples for both species were typically less than one year (<1) and the remnant samples were between one and two years. The similarity between scale and otolith age determination was identical and dissimilarity was observed only in few samples of both species.
format	Article
author	K.D. Simon, A.G. Mazlan, A. Samat, C.C. Zaidi,
spellingShingle	K.D. Simon, A.G. Mazlan, A. Samat, C.C. Zaidi, Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters
author_facet	K.D. Simon, A.G. Mazlan, A. Samat, C.C. Zaidi,
author_sort	K.D. Simon,
title	Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters
title_short	Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters
title_full	Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters
title_fullStr	Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters
title_full_unstemmed	Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters
title_sort	size growth and age of two congeneric archer fishes (toxotes jaculatrix pallas, 1767 and toxotes chatareus hamilton, 1822) inhabiting malaysian coastal waters
publisher	Universiti Kebangsaan Malaysia
publishDate	2010
url	http://journalarticle.ukm.my/7392/ http://journalarticle.ukm.my/7392/ http://journalarticle.ukm.my/7392/1/01_Md_Yeaminhossain.pdf
first_indexed	2023-09-18T19:49:34Z
last_indexed	2023-09-18T19:49:34Z
_version_	1777406128723853312

Size growth and age of two congeneric archer fishes (Toxotes jaculatrix pallas, 1767 and Toxotes chatareus Hamilton, 1822) inhabiting Malaysian coastal waters

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