boem@lemmy.world to World News@lemmy.worldEnglish · 7 months agoFish are shrinking around the world. The average body weight of nearly three-quarters of marine fish populations sampled dropped between 1960 and 2020, a recent study suggests.www.washingtonpost.comexternal-linkmessage-square22fedilinkarrow-up1139arrow-down12
arrow-up1137arrow-down1external-linkFish are shrinking around the world. The average body weight of nearly three-quarters of marine fish populations sampled dropped between 1960 and 2020, a recent study suggests.www.washingtonpost.comboem@lemmy.world to World News@lemmy.worldEnglish · 7 months agomessage-square22fedilink
minus-squarejohn89@lemmy.calinkfedilinkEnglisharrow-up4arrow-down3·edit-27 months ago If all the biggest fish are getting caught and killed, won’t that give smaller fish an evolutionary advantage? Fishing is a little bit different than that. It’s the big fish who are able to avoid getting caught, which is how they get to live to be so big.
minus-squareenkers@sh.itjust.workslinkfedilinkEnglisharrow-up9·7 months agoMaybe if we’re talking line fishing, but I’m pretty sure most commercial fishing is done with trawling nets, where everything above a certain size is caught.
Fishing is a little bit different than that. It’s the big fish who are able to avoid getting caught, which is how they get to live to be so big.
Maybe if we’re talking line fishing, but I’m pretty sure most commercial fishing is done with trawling nets, where everything above a certain size is caught.
Why is that?