Document Detail

How sailfish use their bills to capture schooling prey.
MedLine Citation:
PMID:  24759865     Owner:  NLM     Status:  In-Data-Review    
The istiophorid family of billfishes is characterized by an extended rostrum or 'bill'. While various functions (e.g. foraging and hydrodynamic benefits) have been proposed for this structure, until now no study has directly investigated the mechanisms by which billfishes use their rostrum to feed on prey. Here, we present the first unequivocal evidence of how the bill is used by Atlantic sailfish (Istiophorus albicans) to attack schooling sardines in the open ocean. Using high-speed video-analysis, we show that (i) sailfish manage to insert their bill into sardine schools without eliciting an evasive response and (ii) subsequently use their bill to either tap on individual prey targets or to slash through the school with powerful lateral motions characterized by one of the highest accelerations ever recorded in an aquatic vertebrate. Our results demonstrate that the combination of stealth and rapid motion make the sailfish bill an extremely effective feeding adaptation for capturing schooling prey.
P Domenici; A D M Wilson; R H J M Kurvers; S Marras; J E Herbert-Read; J F Steffensen; S Krause; P E Viblanc; P Couillaud; J Krause
Related Documents :
10380675 - The underwater audiogram of the west indian manatee (trichechus manatus).
3225315 - Effect of simulated hearing loss on speech sounds perception.
292155 - Comparison of normal and impaired hearing. ii. frequency analysis, speech perception.
19341125 - A twelve-year longitudinal study of hearing thresholds among professional divers.
20338525 - Darwin and barnacles.
8188465 - Mathematical model of tma+ diffusion and prediction of light-dependent subretinal hydra...
Publication Detail:
Type:  Journal Article     Date:  2014-04-23
Journal Detail:
Title:  Proceedings. Biological sciences / The Royal Society     Volume:  281     ISSN:  1471-2954     ISO Abbreviation:  Proc. Biol. Sci.     Publication Date:  2014  
Date Detail:
Created Date:  2014-04-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101245157     Medline TA:  Proc Biol Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  20140444     Citation Subset:  IM    
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Menstrual cycle phase alters women's sexual preferences for composers of more complex music.
Next Document:  Settling down of seasonal migrants promotes bird diversification.