Whales Continue Aggressive Encounters with Swimmers in Franconia
In the tranquil waters of Brombachsee, Middle Franconia, a series of uncommon events have recently unfolded. Two large Wels catfish, known for their usually shy nature, have displayed aggressive behaviour towards swimmers, causing concern among locals and visitors alike.
The first incident, involving a Wels measuring over 2 meters (around 6.5 feet) and weighing approximately 90 kilograms (198 pounds), occurred near a popular bathing island, injuring at least five people[1][4][5]. A subsequent attack by another Wels followed days later, biting a swimmer’s arm at the same lake[1][2].
Experts and police suspect these aggressive actions were triggered by the catfish **defending their clutch of eggs** during the spawning season[1][2]. Wels catfish are generally solitary and avoid human contact during the day. However, the territorial instinct to protect offspring appears to have caused these rare and alarming attacks.
After the initial attacks and public safety concerns, including a music festival nearby, police closed off the bathing area and ultimately shot the large catfish responsible for the first attack to prevent further incidents[1][4].
It is important to note that such aggressive behaviour is strongly connected to the Wels catfish’s breeding season. Outside of this period, such attacks on humans are extremely rare since these fish are not typically aggressive towards people[2].
The Brombachsee incidents mark a departure from the usual behaviour of these shy creatures. However, it is crucial to remember that these attacks are infrequent and situational, not characteristic of their usual behaviour[1][2][4].
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[1] Local News Outlet A [2] Fish Biology Expert B [3] Newsletter Website [4] Police Report C [5] Hospital Report D [6] Newsletter Subscription Page
During the Wels catfish's spawning season, the usually solitary and non-aggressive fish displayed unusual behavior, attacking swimmers near Brombachsee, causing injuries and concern among locals. Experts suggest this aggressive behavior is due to the catfish defending their clutch of eggs during this period.
