Hüseyin ÖZBİLGİN, Murat PEHLİVAN, Fatih BAŞARAN

Maximum swimming speed predictions for Mullus barbatus (Linnaeus, 1758) and Diplodus annularis (Linnaeus, 1758)

Maximum swimming speed of red mullet (Mullus barbatus) and annular sea bream (Diplodus annularis) was estimated based on muscle twitch experiments. The maximum estimated speed of red mullet (mean length: 16.9 cm) was 3.14 m/s (18.6 bl/s) at 26 °C. At 20 °C the maximum estimated speed of annular sea bream (mean length: 11.5 cm) was 1.92 m/s (16.7 bl/s). Maximum swimming speed of annular sea bream decreased as the temperature decreased.Swimming performance is the main characteristic that determines survival in many species of fish and other aquatic animals (Plaut, 2001). There are 3 levels of swimming activity (Özbilgin et al., 2004) and several methodologies for measuring swimming performance. Sustained (as endurance), prolonged (as critical swimming speed), and burst (as maximum) swimming ability are commonly used measures of performance in fish (Hammer, 1995)

Anahtar Kelimeler:

annular sea bream, maximum speed, muscle contraction, temperature

Maximum swimming speed predictions for Mullus barbatus (Linnaeus, 1758) and Diplodus annularis (Linnaeus, 1758)

Keywords:

annular sea bream maximum speed, muscle contraction, temperature, Red mullet,

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