This fact has been known for some time that Cichlids and stingrays can precisely detect small quantities without counting.However,the new research led by Dr.Vera Schluessel from the University of Bonn has shown that both species can even calculate. "We trained the animals ...
"If fish can remember th e plac es with saf e food, they will not put their lives in da nger," lead researcher T revor Hamilton told Liv e Sci ence.Next tim e you watch your fish from outsid e the fishbowl, mayb e you should feel closer to them, they may remember who you ...
根据文章中的第二段的第二句:In the study, researchers from MacEwan University in Canada trained(训练)a kind of fish called African cichlids to go to a place of their fishbowl(鱼缸)to get food. 可知在这项研究中,研究人员让一种叫非洲慈鲷的鱼到鱼缸的某个地方去觅食,故①正确;根据文章中的第...
What fish can you not put with goldfish? You'll want to avoid choosing tank mates that are aggressive or semi-aggressive, likeAfrican cichlidsor Tiger Barbs and stick with friendly species instead. You'll also want to avoid putting territorial fish in a tank with goldfish, even bottom-dwellin...
Tire track eel is a large fish, and while you may get little fry of no more than 4 inches, to begin with, they can easily grow up to 36 inches in the wild. Their growth in captivity is a minimum of10 inches less than their growth in the wildbecause of differences in lifestyle, ...
Therefore, cenotes areinhabited by fish species suchas Poeciliids, Cichlids, Caracid, Pimelodid, and the Synbranchid, which are species used to living in these types of stable environments. Cenotes are unique and beautiful environments that can be enjoyed by people and fishes alike. ...
it also plays an important part when a fish is trying to live in the sea. “If fish can remember the places with safe food, they will not put their lives in danger,” lead researcher Trevor Hamilton...
Hi, I’m Oscar. I’m a good-looking two-year-old German Shepherd Dog. I was found searching for food on the street and was then sent here. My past life was a hard one, but I’m still a friendly boy who loves spending time with people, cats and other dogs. Would you like to ...
Make sure that your discus fish is getting enough food when they are kept in the same tank with other fish, particularly the angelfish. One common factor that you should not miss out about these two types of fish is that they are both cichlids. As usual, cichlids have that reserved reputa...
In fact, scientists had been thinking for a long time that African cichlids might have a good memory. An earlier study showed that they behaved aggressively (攻击性地) in front of certain fish, perhaps because they remembered their past fights. But until the latest findings, there was no cle...