Kuhlia sandvicensis is a species of fish

Fish

Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 in the Kuhliidae family, found in both salt and fresh water.
Endemic to Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

, the common name is āhole for the mature fish, and
āholehole for the young. The name is probably derrived from the word hole in the Hawaiian Language

Hawaiian language

The Hawaiian language is a Polynesian language that takes its name from Hawaii, the largest island in the tropical North Pacific archipelago where it developed. Hawaiian, along with English, is an official language of the state of Hawaii...

 which means "to strip away", since the fish was used to strip away evil spirits and as an aphrodisiac

Aphrodisiac

An aphrodisiac is a substance that increases sexual desire. The name comes from Aphrodite, the Greek goddess of sexuality and love. Throughout history, many foods, drinks, and behaviors have had a reputation for making sex more attainable and/or pleasurable...

.
A proverb was "He āhole ka ia, hole ke aloha" meaning roughly
"āhole is the fish, but love is restless".
It was also sometimes known as puaa kai, literally "pig of the sea".
European visitors were sometimes called āhole due to their pale skin.

The current location of Kona International Airport

Kona International Airport

Kona International Airport at Keāhole is an airport on the Island of Hawaii, in Kalaoa CDP, Hawaii County, Hawaii, United States. The airport serves leeward, or Western Hawaii island, including the town of Kailua-Kona and the major resorts of the North Kona and South Kohala districts.- History...

 is named after this fish, Keāhole Point

Keahole Point

Keāhole Point is the westernmost point of the island of Hawaii. The Kona International Airport was moved here from directly north of the town of Kailua-Kona in 1970, when the previous smaller airstrip was converted into the Old Kona Airport State Recreation Area...

, since it was found in this area.
Another modern common name is Hawaiian Flagtail.