The humphead wrasse (Cheilinus undulatus) is a large species of wrasse mainly found on coral reefs in the Indo-Pacific region. It is also known as the Māori wrasse, Napoleon wrasse, Napoleon fish, so mei 蘇眉 (Cantonese), mameng (Filipino), and merer in the Pohnpeian language of the Caroline Islands.

Furthermore, the fish use the hump for defense, as they can headbutt other fish when mating or competing for food. The perfect body shapes and beautiful coloration of these tropical fish are enough to tempt you to keep them in your aquarium.

The green humphead parrotfish (Bolbometopon muricatum) is the largest species of parrotfish, growing to lengths of 1.5 m (4.9 ft) and weighing up to 75 kg (165 lb) [citation needed].

Apr 28, 2024 · Many freshwater and saltwater fish have modified facial structures that appear as a large bump or hump on the top of their head. Male individuals are much more likely to have these humps, but females may also have smaller head features.

Feb 18, 2022 · The Green humphead parrotfish is a marine-based fish. It lives near the reefs in the Indian and Pacific oceans, from the red sea in the west to Samoa in the east, and from the Yaeyama Islands in the north to the Great Barrier Reef, Australia, in the south.

Dec 2, 2021 · Humphead wrasse (Cheilinus undulatus) are one of the largest reef fish in the world’s ocean, reaching lengths of seven feet and weighing more than 420 pounds — and those are just the largest individuals we’ve seen and recorded!

Oct 20, 2022 · These fish with gigantic foreheads are native to Pool Malebo and the Congo River and they use caves for spawning. They are recognizable by elongated and stout bodies, oversized heads, and nuchal humps that grow with age in males.

Nov 18, 2023 · The humphead wrasse, Cheilinus undulatus, is an emblematic species of coral reefs. This fish lives in most of the Indo-Pacific region, from the Red Sea to New-Caledonia.

Oct 6, 2021 · These fish are best known for their massive nuchal hump, also known as Kok, and their unique patterning. They also have longer tails and bodies than standard Kamfas. A distinct feature of this strain includes a deep black double flower …

Apr 15, 2013 · Hammerhead Sharks have large surface areas on their heads to better detect prey with Ampllae of Lorenzini. got the nastiest bump ever, but that big bump on its head is actually a nuchal hump, also known as a kok. The formation of this forehead bulge is hormonally induced and swells up on male cichlid fish right around mating time.