They typically held onto hosts for a period of time (mean bout length 17 s, range 1 249 s; n = 60 bouts) during which they repeatedly opened and closed their mandibles, and often shook the host chick, either from side to side or up and down by rocking on their hindlegs (figure 2 a– c and electronic supplementary material, videos S1 S4).
Sicklefin lemon sharks have been documented resting on the bottom and eliciting cleanings by bluestreak cleaner wrasses (Labroides dimidiatus), during which they may open their mouths and stop respiring for as long as 150 seconds to give the wrasses access to their mouths and gills.
Similarly, the gradual relaxation since the early 1990s of constraints on both the number of licensed premises allowed in a given area and the hours during which they are allowed to open has led to an increasing concentration of licensed premises in town centres at the same time as the overall on-trade market is contracting.
Down a hallway, actors rehearsed their lines for opening day, during which they will serve as patients in a round of mock examinations with medical students.
The animals were first habituated to the open field for 30 min. The next day, they were submitted to a 10-min acquisition trial during which they were placed in the open field in the presence of Object A (marble or dice).
Twenty four hours after the habituation each mouse was subjected to a 10-minute acquisition trial, during which they were placed in the open field in the presence of object A, the first of two non-identical objects (a cube or a ball), situated 15 cm from the arena wall (acquisition task).
Begg's lawyers had disclosed that the meetings had taken place earlier this year during a hearing in open court during which they made an unsuccessful attempt to secure Begg's release on bail.
Firstly, all animals were submitted to a habituation session for three days during which they were placed in the empty open field and left to freely explore the field for 10 minutes.
On the following day, animals were submitted to the first 10-min trial, during which they were individually placed in the open field at 60 lux in the presence of object A (marble or dice), which was placed at 10 cm from one corner of the box.
After receiving randomised treatment for eight days, all patients entered an open treatment phase, during which they received oral citalopram 40 mg per day for five weeks.
