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If you're looking for the strangest fish in the sea, it's enough to look at the crested fish, whose legs-like fins, camouflaged skin, and stunning appearance make them an unusual landscape on the ocean floor.
But if you're lucky enough to encounter it, you'll understand why they're a favorite among divers and underwater photographers.
（Via Richard Carey/Fotolia）
So, what is a terrier?
The family Crateridae is a member of the family Crateridae, which contains about 50 species of anglerfish. They are found in shallow and subtropical waters around the world and are quite small, with the largest species only 12 inches (30 cm) long. Their pectoral fins resemble legs, allowing them to "walk" along the ocean floor in search of prey.
(Via Silke Baron)
Magical master of disguise
Horseshoe are masters of camouflage, and they can use various types of camouflage to avoid predators and get close to prey. Some of these species have a sponge-like color and texture. For example, The Antennarius commerson can change its color to be confused with pink, red, yellow, brown sponge, or rock, or even have unevenly textured skin that can impersonate the rough surface of the reef.
The Psychedelica (Histiophryne psychedelica) has yellow, brown and white stripes that look like stony corals. The Antennarius striatus has long, swinging appendages that can mimic algae and even spiny sea urchins.
This camouflage is an attack mimicry, that is, by imitating something else, increasing the advantage when preying. This means that potential prey (such as small fish or crustaceans) will not be able to spot well-concealed based fish as they swim past them, allowing them to attack their prey at close range. Other animals also have this technique, such as the alligator turtle disguised as a dead tree trunk, and the ant-like spider that looks like an ant.
Bait for fin evolution
In order to deceive the prey and make it a dinner, the tuna has another trick. The tuna has a dangling bait that evolves from its fins, like a fishing rod for fishing. It can simulate worms, shrimp or even small fish, which is very attractive to other fish and crustaceans!
（Via Jon Hanson）
By the time the prey is close enough to spot that the "worm" is not a real worm, it's too late. This strategy is also adopted by the deep-sea anglerfish, a close relative of the tortoise (which can be seen in Finding Nemo).
Do you think the bass fish is the coolest fish?
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