They were catching rocklings: small, very slippery fish of the same olive-brown as the kelp.
It could allude to the tropical fish of the same name; it could be a tongue-in-cheek reference to terra, the Latin word for land, or perhaps it's short for tetrahedron, in reference to the famous Triforce.
The same genotypes were detected in adult and juvenile fish of the same species.
And by doing so, they are able to migrate further each year than cold blooded fish of the same size.
Banded archerfish can be kept in small groups of three to five; fish of the same size get along but fish that are larger may be aggressive towards those that are smaller, and even try to eat them.
"When we showed pictures of a snake or a spider to the babies instead of a flower or a fish of the same size and color, they reacted with significantly bigger pupils," Stefanie Hoehl, lead investigator and neuroscientist at MPI CBS and the University of Vienna, said in a statement.
The sharks we have in mind, meaning no disrespect to the cartaliginous fish of the same name, are people like W. Allen Jones, CEO of Check Into Cash, a Tennessee-based company that operates an estimated 1,100 payday loan and check cashing shops in 29 states.
In analyzing trials with two fish of the same species, the movements of one randomly selected fish was followed throughout the experimental period.
Several studies suggest that in a cohort of larval fish of the same age, but different sizes, the larger individuals have a greater chance of survival, and consequently a higher recruitment potential [47].
