The Effect of Temperature on the Burst Swimming Performance of Fish Larvae
| Autor: | J. H. S. Blaxter, R. S. Batty |
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| Rok vydání: | 1992 |
| Předmět: | |
| Zdroj: | Journal of Experimental Biology. 170:187-201 |
| ISSN: | 1477-9145 0022-0949 |
| DOI: | 10.1242/jeb.170.1.187 |
| Popis: | Newly hatched herring and plaice larvae were stimulated by probes to make C-start escape responses at temperatures between 5 and 15°C. The responses and the subsequent burst-speed swimming were recorded and analysed using highspeed video at 400 frames s−1. The muscle contraction time of the initial C-start was temperature-dependent, ranging from 22–33 ms at 5°C to 17–21 ms at 15°C. Immediately following the C-start, tail-beat frequency ranged from 18s−1 at 5°C to 35 s−1 at 15°C. Tail-beat amplitude, equivalent to 0.4–0.6 of a body length (L), and stride length, about 0.5 L, were not temperature-dependent. The escape speed ranged from 8Ls−1 at 5°C to 15 Ls−1 at 15°C. These results and those of other workers can be described by the equation: where f is tail-beat frequency, t is temperature and L is length. |
| Databáze: | OpenAIRE |
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