A study on the variability of calorific values and their relationship to the maturity stages of demersal fish species

Alam Lubna, Mazlan Abd. Ghaffar, Mazlin Mokhtar

Research output: Contribution to journalArticle

Abstract

This study attempts to look into the energetic status of demersal fish species with their maturity stages and evaluate their energetic condition. Demersal fish species from wild were captured, total length and weight of each fish were measured and gonads were observed, weighted and collected with fish flesh. Gonadosomatic index, water content of gonad and flesh and gonadal and somatic caloric values were measured. Gonadosomatic index varies between 0.16 (Plectohinchus pictus) and 7.53 (Sphyraena jello). The percent water content of gonad ranging between 3.61 (Trichiurus lepturus) and 99.06 (Sphyraena jello) and percent somatic water content varies between 31.46 (Epinephelus sexfasciatus) and 85.95 (Arius maculates). The gonadal energy content varies between 2136 cal/g (Priacanthus tayenus) and 6173 cal/g (Trixiphichthys weberi). Similarly, somatic energy content was also variable, ranging from 2429 cal/g (H. pictus) to 5581 cal/g (Epinephelus sexfasciatus). Mature fish contains more energy in their gonad and less energy in their muscle.

Original languageEnglish
Pages (from-to)889-894
Number of pages6
JournalWorld Applied Sciences Journal
Volume24
Issue number7
DOIs
Publication statusPublished - 2013

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demersal fish
water content
energy
energetics
fish
muscle
index

Keywords

  • Energy
  • Gonadosomatic index
  • GSI
  • Water content

ASJC Scopus subject areas

  • General

Cite this

A study on the variability of calorific values and their relationship to the maturity stages of demersal fish species. / Lubna, Alam; Abd. Ghaffar, Mazlan; Mokhtar, Mazlin.

In: World Applied Sciences Journal, Vol. 24, No. 7, 2013, p. 889-894.

Research output: Contribution to journalArticle

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