Abstract
![Graphic][1] Fish have a remarkably diverse array of head designs, from snail-crushing redear sunfish to dainty zebrafish that feed on plankton and wide-mouthed bewhiskered catfish, but they all have one thing in common: they all suck. Corrine Jacobs and Roi Holzman, from the University of
Highlights
Fish have a remarkably diverse array of head designs, from snail-crushing redear sunfish to dainty zebrafish that feed on plankton and wide-mouthed bewhiskered catfish, but they all have one thing in common: they all suck
Corrine Jacobs and Roi Holzman, from the University of Tel Aviv, Israel, explain that fish rapidly expand and open their mouths to slurp up water, sweeping in any tasty morsel within range, ‘yet it is unclear how variable suction flows are across species’, the duo says
Jacobs and Holzman filmed water being sucked into the mouths of fish ranging from oscars, knifefish and goldfish to tetras and even an amphibian to find out how much their slurps differed, and they were amazed to find how little variation there was
Summary
One super slurp Journal of Experimental Biology Fish have a remarkably diverse array of head designs, from snail-crushing redear sunfish to dainty zebrafish that feed on plankton and wide-mouthed bewhiskered catfish, but they all have one thing in common: they all suck.
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