




Cheilinus undulatus
The humphead wrasse is a colorful fish with a big, bumpy forehead. It swims in warm, tropical waters and loves to hide among coral reefs.
Habitat: Coral reefs
The Humphead wrasse is a giant reef fish characterized by a prominent hump on its forehead, especially in males, and thick fleshy lips. Its scales are large, and colors range from greenish-brown to vibrant blue-green, often with two black lines behind each eye.





Category
FishRarity
Common
Danger
1/5 · Very low
Snaps
Be the first to snap!
These smart fish have been observed using rocks to help them smash open shellfish.
They are the largest wrasse in the world, growing over two meters long!
They sleep in a mucous cocoon they build each night to hide their scent.
Young wrasse look very different from adults, with camouflaged stripes and spots.
Humphead wrasse has a large, bony hump on its forehead that helps them ram and break apart corals to expose hidden prey.
Humphead wrasse can change sex from female to male when needed, which helps them maintain healthy breeding populations.
Humphead wrasse has a special immunity to toxins that lets them safely eat venomous prey like boxfish and sea urchins.
A mighty hunter that crunches on hard-shelled critters and venomous prey found on coral reefs.
Age differences: Juveniles eat smaller invertebrates; adults target larger, tougher prey like sea urchins and mollusks.
Diadema setosum
Feeds on venomous urchins, helping control their populations.
Acanthaster planci
Preys on this destructive starfish, protecting corals.
Tridacna gigas
Uses strong jaws to crack open and consume large clams.
Ostracion cubicus
Immune to toxins, they can safely consume boxfish.
Carcharhinus amblyrhynchos
Larger sharks occasionally prey on juvenile or sick Humphead wrasse.
Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind.
This trait identifies organisms whose diet consists entirely or primarily of animal tissue.
Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
Describes a species whose presence and role have a disproportionately large effect on its environment.
Giant describes organisms or objects of significantly larger size than average for their species or type.
Marine habitats encompass all saltwater environments of the Earth's oceans, supporting an immense diversity of aquatic life.
Endangered status indicates a species is at a very high risk of extinction in the wild in the near future.
Danger
1/5 · Very low
Always watch from a distance when observing fish in the ocean.
100-230 cm
50-190 kg
20-50 years
A mighty hunter that crunches on hard-shelled critters and venomous prey found on coral reefs.
15 km/h
Coral reefs
Foraging
100 m
Zoom in to split clusters and explore where this object has been snapped.
Recent snaps will appear here as new observations are added.