Ghost knifefish make electric 'chirps' to spot where other fish are

Ghost knifefish make electric 'chirps' to spot where other fish are

By Michael Le Page

Source: newscientist

1/20/2023

Credit: Alessandro Mancini / Alamy Stock Photo

It has long been assumed that when one brown ghost knifefish “chirps” at another knifefish by altering the electrical field it produces, it is communicating with the other fish. But it appears that these chirps may instead be a kind of probe that helps a fish improve its electrolocation of objects, especially other electric fish.

Weakly electric fish generate a low-power electric field around their body, which they sense with special receptors in their skin. This allows them to detect distortions in the electric field induced …

Continue...

News Id		Source	Stamp	country
3426	Castlewood creek popular despite E. coli levels	stltoday	2010-07-27	US
3427	Record 21.57 pound tautog caught off Newport	johnstonsunrise	2021-11-19	US
3428	A tiny Alaska town is split over a goldmine. At stake is a way of life	theguardian	2021-06-22	US
3429	Fish captured 'smoking cigarette' on camera saved before gobbling the entire thing	dailystar	2021-09-27	UK
3430	Zombie plant a threat to fish and even swimmers	CBC News	2021-09-07	CA

137 of [137 - pages.]