Fish cannibalism is super rare in the wild

Fish cannibalism is super rare in the wild

Source: NC State

6/6/2022

Credit: Alice Chaos/Flickr

Fish like guppies and mosquitofish, known to be cannibalistic in captivity, are extremely unlikely to turn to cannibalism in wild settings, a new study shows.

In these fish, the rare cases of cannibalism are likely due to a strong competition for food, the researchers report.

The findings could have implications not only for fish enthusiasts and scientists who use mosquitofish as models for ecological and evolutionary studies, but could also help explain the causes and frequency of cannibalism in other animals.

Cannibalism, preying on and eating other individuals of your own species, is a peculiar behavior, featuring prominently in human mythology and fiction. But how common is it in nature, and why would organisms resort to such an extreme course of action just to get a meal?

Continue...

News Id		Source	Stamp	country
126	Global fisheries must change to avoid ocean collapse	mongabay	2024-09-25	US
127	Another doomsday fish makes an appearance, this time in Australia	wionews	2024-09-25	AU
128	Fish has legs that can taste prey hidden under the sand using genes also found in humans	abc	2024-09-26	AU
129	Why you should think twice before going on sudden fishing trips right after Helene	herald tribune	2024-09-27	US
130	Scottish salmon farm cleared tonnes of dead fish before inspection	theguardian	2024-09-25	UK
131	Fishermen want clear labeling for locally caught seafood vs imported	khon2	2024-09-27	US
132	Trio land 155kg monster tuna trapped in rocks near Little Barrier Island	NZ Herald	2024-09-27	NZ
133	Heartbreak as fish at Horsham beauty spot reported to be gasping for air	sussexexpress	2024-09-11	UK
134	Do wild fish belong to the public?	anthropocenemagazine	2024-09-25	US
135	Study Finds Invasive Species May Spawn Twice a Year in the Bay	chesapeake bay magazine	2024-09-24	US
136	A wondrous fish has made a miraculous return to UK seas	theguardian	2024-09-27	UK
137	DNR invites public comment for Roseau River WMA master plan update	echopress	2024-10-02	US
138	Shimmering river creature with rather large eyes found in China	miamiherald	2024-10-03	CN
139	N.S. fisheries minister says feds not taking illegal fishing seriously	CBC News	2024-10-03	CA
140	Караси поздней осени	ohotniki	2024-09-25	RU
141	Salmon Evolution nears 5,000 tonne target	thefishsite	2024-10-03	NO
142	How do fish survive in large urban waterways, like the Chicago River?	Great Lakes Now	2024-09-30	US
143	Plans to Source Its Future Drinking Water From Lake Michigan	Climate News	2024-10-01	US
144	Tribes Celebrate the End of the Largest Dam Removal Project	Associated Press	2024-10-02	US
145	Arkansas fishermen, officials seek solutions to invasive carp challenges	arkansasadvocate	2024-09-16	US
146	Hunt for world's last giant fish as researchers find clues in ancient photographs	yahoo	2024-09-16	US
147	Animal rights group urges halt to monstrous Lincolnshire salmon farm	theguardian	2023-12-23	UK
148	First large-scale UK onshore salmon project at risk over factory farm claims	theguardian	2024-09-15	UK
149	Philippine fishers call for justice after oil tanker sinks	japantimes	2024-09-14	JP
150	New Species Of Rather Unhappy Fish Named Grumpy Dwarfgoby	iflscience	2024-09-17	US