The fish in question were
bichir fish that can breathe air and haul themselves over land when they have to, so it's not as far - fetched as it sounds.
Bichir fish (Polypterus), which are native to Africa's Nile basin, are the closest living counterparts of those ancient stem tetrapods.
This walking technique improved in 100
bichir fishes that Standen and her colleagues reared in a tank filled with just a couple of millimetres of water.
Not exact matches
Polypterids include about a dozen species of African
fish called
bichirs and a single species of ropefish.
In a paper published in the journal PLOS ONE, MDI Biological Laboratory scientists Benjamin L. King, Ph.D., and Voot P. Yin, Ph.D., identified these common genetic regulators in three regenerative species: the zebrafish, a common aquarium
fish originally from India; the axolotl, a salamander native to the lakes of Mexico; and the
bichir, a ray - finned
fish from Africa.
The scientists found it shares a genetic mechanism with two other creatures that can regenerate tissue — the zebrafish and a ray - finned
fish from Africa called the
bichir.
The Blowfish is one two
fish introduced in Animal Crossing: New Leaf that can only be caught from 9 PM to 4 AM, the other being the Saddled
Bichir.
The
fish, a species called the Senegal
bichir or «dinosaur
fish,» were selected as test subjects because of their walking ability; they have functional lungs and strong fins to pull them from one body of water to another.
In other words, being raised out of water changed some of the developmental features of the
bichir, even though they were genetically similar to the
fish raised in water.