List of fish of Hawaii
The fish species of Hawaii inhabit the Hawaiian archipelago in the central North Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of Australia. The islands are part of the State of Hawaii, United States. The state encompasses nearly the entire volcanic Hawaiian Island chain, which comprises hundreds of islands spread over 1,500 miles (2,400 km). At the southeastern end of the archipelago, the eight "main islands" are (from the northwest to southeast) Niʻihau, Kauaʻi, Oʻahu, Molokaʻi, Lānaʻi, Kahoʻolawe, Maui, and Hawaiʻi. The Northwestern Hawaiian Islands include many atolls, and reefs. Due to Hawaii's isolation 30% of the fish are endemic (unique to the island chain).
In total the Hawaiian Islands comprise a total of 137 islands and atolls, with a total land area of 6,423.4 square miles (16,636.5 km2). This archipelago and its oceans are physiographically and ethnologically part of the Polynesian subregion of Oceania. The climate of Hawaii is typical for a tropical area, although temperatures and humidity tend to be a bit less extreme than other tropical locales due to the constant trade winds blowing from the east.
The surrounding waters are affected by effluents generated and released from the islands themselves. Floating plastic garbage is a problem, and refuse from the Great Pacific Garbage Patch affects its beaches. Other pressures on Hawaii's fish population are its fishing industries and whaling  until IWC's moratorium in 1986. In the last century, some commercially fished stocks have decreased by 80-85%.
Due to its isolation, very few native freshwater fish species are found in Hawaii, and none are entirely restricted to freshwater (all are either anadromous, or also found in brackish and marine water in their adult stage). The seven native fish species regularly seen in fresh water are the flagtail Kuhlia xenura, the mullet Mugil cephalus, the gobies Awaous guamensis, Lentipes concolor, Sicyopterus stimpsoni and Stenogobius hawaiiensis, and the sleeper goby Eleotris sandwicensis. Three of the gobies, A. guamensis, L. concolor and S. stimpsoni, are famous for their ability to climb waterfalls to reach higher sections of freshwater streams. Several other species have been introudced to the freshwater habitats of Hawaii and some of these are invasive.
Egg of Lamprey
A Sailfin tang, a brown fish with five vertical white stripes, a blue spot on the caudal fin, and yellow fins
A green Moana kali fish on a light blue background
A Yellow-eyed surgeon, a brown and white fish with a bright yellow eye
An Orangeband surgeonfish, a light grey fish with a dark grey back half, an orange stripe running from just below the eye past the ventral fins, and stopping just before the fish's dorsal fin. This fish has a very heavily lyre-shaped tail
An Achilles tang, a black, lyre-tailed fish with an orange spot just before the caudal peduncle, black dorsal and anal fins with an orange stripe marking the boundary between fin and body. The tail is orange and white
Dussumier's surgeon, a grey fish with a blue lyre-tail and a white spot on the caudal peduncle.
A Blue striped snapper, a neon green fish with four horizontal neon blue stripes running the length of its body
A Parrotfish is a large, dark blue fish with a light blue underbelly and a protruding forehead
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