High-risk environments promote chemical disturbance signalling among socially familiar Trinidadian guppies Crane, Adam L. ; Feyten, Laurence E. A. ; Ramnarine, Indar W. ; Brown, Grant E. Abstract Publication: Oecologia Pub Date: May 2020 DOI: 10.1007/s00442-020-04652-6 Bibcode: 2020Oecol.193...89C