Use of urea as a chemosensory cloaking molecule by a bony fish
Because urea is bioenergetically expensive to synthesize, few aquatic teleostean (bony) fish make or excrete much urea beyond early development and excrete the majority of nitrogenous waste as the readily diffusible ammonia. The gulf toadfish is one of a few adult teleostean fish that excretes predo...
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| Veröffentlicht in: | Journal of experimental biology 2006-11, Vol.209 (Pt 21), p.4254-4261 |
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| container_title | Journal of experimental biology |
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| creator | Barimo, John F Walsh, Patrick J |
| description | Because urea is bioenergetically expensive to synthesize, few aquatic teleostean (bony) fish make or excrete much urea beyond early development and excrete the majority of nitrogenous waste as the readily diffusible ammonia. The gulf toadfish is one of a few adult teleostean fish that excretes predominantly urea. Most studies of chemosensing by fish predators have focused on amino acids as odorants, but we tested the chemo-attractiveness of both urea and ammonia. We report that characteristic "prey-attack" behaviors by a key toadfish predator, gray snapper, were elicited by low ammonia concentrations ( |
| doi_str_mv | 10.1242/jeb.02533 |
| format | Article |
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| ispartof | Journal of experimental biology, 2006-11, Vol.209 (Pt 21), p.4254-4261 |
| issn | 0022-0949 1477-9145 |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Company of Biologists |
| subjects | Amino Acids - pharmacology Ammonia - metabolism Ammonia - pharmacology Animals Batrachoidiformes - metabolism Lutjanus griseus Marine Opsanus beta Perciformes Predatory Behavior - drug effects Smell - drug effects Urea - metabolism Urea - pharmacology |
| title | Use of urea as a chemosensory cloaking molecule by a bony fish |
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