A group of fish is called a school.
A group of fish is called a school.
A collection of fish is called a school. If there is a group of fish traveling through the water, they are called a school of fish.
A collection of fish is called a host. I'd always heard that a bunch of fish is a school, but perhaps an official collection is called something else. ("School of fish" is one of the clever puns in the movie Nemo. Nemo is not going to be alone, but with others--he's joining the school.)
A host
Cleaner fish remove scales and mucus from their host.
Although Telogis is only one company of many that sells fleet tracking software, this page they host gives an excellent overview of the types of features good fleet-tracking software offers and how it can benefit your business: http://www.telogis.com/solutions/fleet/
Pacific lamprey are not typically known to kill fish. They are parasitic feeders that attach themselves to other fish to feed on their bodily fluids. While this parasitic behavior may weaken the host fish, it is not common for the lamprey to directly kill the host fish.
The blonde male in Ouran High School Host Club is Tamaki Suoh.
The cast of The Uncle Sam Movie Collection - 2000 includes: Denis Arndt as Host
Lamprey, hagfish suck body fluids from the host fish after rasping a hole in the side of the body.
The cast of The Collection - 2006 includes: Dolly Parton as herself Kenny Rogers as himself Storme Warren as Himself - Host
Monica Rial plays Renge Houshakuji on Ouran High School Host Club.