Emergent Runaway into an Avoidance Area in a Swarm of ... | 水產百科網

由HMurakami著作·2014·被引用28次—Throughnumerousfieldsurveysofsoldiercrabs,wefoundthefollowingobservationstobecharacteristicofsoldiercrabgeneralswarming ...

We studied M. guinotae living in Funaura Bay on Iriomote Island, Okinawa Prefecture, Japan. Soldier crabs, whose carapace sizes are approximately 15 mm, are among the few crabs adapted to walking forwards, rather than sideways [17]–[20]. Although they burrow tunnels and live under substrate at higher tidal levels, they emerge and feed on detritus on the lagoon surface in swarms at the lower tidal level. During the breeding season (from December to March), their behavior differs depending on mating [25]. To avoid these effects, our experiment was conducted in the daytime during the 4 hours around ebb tide on fine weather days in October 2013. Crabs were collected in plastic containers that contained mud substrate and were separated into each swarm size in the 5 minutes before each trial. For each trial different swarm composed of different crabs were used without pre-train...