Teeth penetration force of the tiger sharkGaleocerdo cuvierand sandbar sharkCarcharhinus plumbeus
| Autor: | Philip J. Motta, Marc J. Lajeunesse, Jordanna N. Bergman |
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| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
0301 basic medicine food.ingredient Sandbar shark biology Penetration force chemical and pharmacologic phenomena Aquatic Science Orthopristis Archosargus probatocephalus biology.organism_classification Galeocerdo 010603 evolutionary biology 01 natural sciences Fishery stomatognathic diseases 03 medical and health sciences 030104 developmental biology food stomatognathic system Elasmobranchii Carcharhinus human activities Ecology Evolution Behavior and Systematics Tiger shark |
| Zdroj: | Journal of Fish Biology. 91:460-472 |
| ISSN: | 0022-1112 |
| DOI: | 10.1111/jfb.13351 |
| Popis: | This study examined the minimum force required of functional teeth and replacement teeth in the tiger shark Galeocerdo cuvier and the sandbar shark Carcharhinus plumbeus to penetrate the scales and muscle of sheepshead Archosargus probatocephalus and pigfish Orthopristis chrysoptera. Penetration force ranged from 7·7–41·9 and 3·2–26·3 N to penetrate A. probatocephalus and O. chrysoptera, respectively. Replacement teeth required significantly less force to penetrate O. chrysoptera for both shark species, most probably due to microscopic wear of the tooth surfaces supporting the theory shark teeth are replaced regularly to ensure sharp teeth that are efficient for prey capture. |
| Databáze: | OpenAIRE |
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