(Images via mentalfloss, lumpysoceanlife, irbob-strangeanimals, h3al, littlepawz)

There are over 700 species of sea urchin, and they’re all as fantastic and different as this one, known as “Exquisitus”. The Isopod featured above looks almost like a bundle of sticks covered in ketchup, and is an excellent example of the variety of life on this planet. The Vampire Squid may seem very large in this photo, but it can only reach a maximum of 6 inches in length. This eel looks positively normal compared to most of the creatures found deep under the sea, and its partner in crime, the giant jellyfish from hell.

(Images via rocketboom, thetruthbehindthescenes, yahoo, whentalking)

The Frilled Shark is straight out of a horror movie, and was thought to be extinct until one was found in shallow water in 2011 (the previous sighting had been a dead one, in the 19th century). The wild looking Sea Pig is actually a type of sea cucumber. This Ocean Sunfish (known as a Mola Mola) can weigh up to 2,200 pounds. This fearsome looking Anglerfish dangles its bioluminescent light to attract prey towards its gaping jaws.

(Images via mongabay, oceancaresolutions, listverse, seaslugforum)

This snailfish’s fins look wing-like and majestic, but the only flying it will do is 7,000 feet underwater. The Glaucus Atlanticus Sea Slug, pictured twice above, is breath-taking, and really really small. It certainly looks cute compared to the Long-Nosed Chimera, which surfs along the ocean floor using its nose to gather up prey in the sand.

(Images via thedailygreen, seasweetie, wikipedia, uncommondescent, weird-funnythings)

The Kiwa is a blind, furry crab that resides 5,000 feet below the surface of the ocean. As unusual as it appears, for sheer terror it’s better to take a look at the Japanese Spider Crab, which can grow as long as 12 feet from leg tip to leg tip. Thankfully these critters roam the ocean floor and don’t get out on the beach much. This blind lobster is a great example of creatures that look similar to those we’re familiar with, but have creepy adaptations to help them survive in the dark depths. The giant isopod pictured above looks like it could have stepped straight out of a time warp from millions of years ago, yet it is an abundant species on the ocean floor.

Firefly Squid

Firefly Squid

The Firefly Squid is a small, deep-sea squid

The firefly squid is a small member of the squid family, growing to a length of only three inches (seven centimeters). The squid is equipped with special light-producing organs called photophores. These photophores are found on many parts of the squid's body and emit a deep blue light

Images of Firefly Squid when it's glowing

AMAZING PHOTOGRAPH OF FIREFLY SQUID

The glowing firefly squid are pushed to the shore's edge by the current while spawning in the bay of Toyama, Japan... "The spawning season of the firefly squid runs from March to May. During this time, the squid can be seen gathering in large numbers in Toyama Bay in Japan. They gather here by the millions, and sometimes by the billions, to lay their eggs. Once the eggs have been released into the water and fertilized, the adult squid begin to die. This completes the one-year life cycle of the squid. This annual light show is so spectacular that the area where they gather has been designated as a special natural monument. Toyama Bay lies above a deep, v-shaped canyon in which the sea floor drops away suddenly. The flow of the ocean currents usually wells up from the bottom of this canyon and pushes the squid to the surface. Occasionally the squid can be found washed up on the shore in large numbers during a phenomenon referred to by locals as 'squid drowning themselves'. This event can cover the shoreline for miles, bathing the beaches in an erie blue glow."

ANOTHER PHOTOS OF FIREFLY SQUID

People most often see Oarfish washed up on beaches. Encounters with live Oarfish are rare. They are sometimes seen on the surface, and this may contribute to tales of sea serpents.

Regalecus glesne Ascanius, 1772
Two 3 m long Oarfish washed ashore at Texel island, The Wadden islands,The Netherlands, May 2009.
The Oarfish is reported to be the longest of all fishes. It has a ribbon-like body that has been reliably documented to grow to 8 m in length, however specimens up to 17 m in length have been reported.
It is metallic silver with blotches and wavy markings on the body, and pink or red fins (Oarfish colouration page).
This species has a concave head profile and a highly protrusible mouth (a characteristic of the order Lampridiformes). It has a dorsal fin that runs the entire length of the body, but lacks an anal fin. There are tiny spines projecting laterally off each caudal and pelvic fin ray.

The derivation of the common name is uncertain. It may refer to the oar-shaped body, or the long oar-like pelvic fins, or possibly to reports that as the fish swims the pelvic fins scull the water like oars.
The Oarfish is found worldwide in all tropical and temperate marine waters. It is thought to live at depths between 20 m and 200 m, where it feeds largely on invertebrates and fishes. 
Although several species of oarfishes have been described, there is now believed to be only one species.

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Black swallower

(Reader Contribution to 10 Horrible Deep Sea Creatures)


This is a black swallower. It has a big stomach which can swallow fish larger that itself!

The Goblin Shark Close-up

(Reader Contribution to 10 Horrible Deep Sea Creatures)


Goblin Shark. When it feeds the under jaws fully open and shoot forward (try to catch the video sometime on Discovery!)

Vampire squid

The vampire squid, known to scientists as Vampyroteuthis infernalis,It is very gelatinous in form, resembling a jellyfish more than the common squid. The vampire squid has the largest eyes of any animal. It is a small animal, growing to a length of about six inches, bit it has globular eyeballs as large as the eyes of a large dog. The vampire squid's body is covered with light-producing organs called photophores. When the photophores are off, the squid is completely invisible in the dark waters where it lives. These squid live as deep as 3000 feet. Unlike other squid and octopi, the vampire squid has no ink sack. The vampire squid's arms are covered with sharp tooth-like spikes.  The squid may use these arms to capture its prey. When threatened, the squid can draw its arms up over itself and form a defensive web that covers its body. It can reach a speed of 2 body lengths per second and can accelerate to this speed in only 5 seconds. If danger is present, it can make several quick turns in an attempt to escape its enemies.

Long-nosed Chimaera

Biologists have gone to great lengths to describe the long-nosed chimaera, Harriotta raleighana, whose kind can reach five feet in length. Its stiletto-like nose reminded one of "the nose contour of a supersonic jet aircraft." Others have dubbed it "rattail," for obvious reasons. In South Africa, it is known as the "ghost shark," though it is only distantly related to sharks. A touch of the venomous spine on the first dorsal fin can kill a person, though such a fate is unlikely given the 8,000-foot depths at which this creature lives.

Coffinfish

The coffinfish (B.melanostomus) has a flabby body and long tail that are both covered with small spines. It has a black mouth lining and an illicium (glossary) on the snout that can be lowered into a groove. This species grows to at least 10cm in length. B.melanostomus has been trawled in the Central to Eastern Indian Ocean at depths ranging from 1320m to 1760m. There are two genera in the family Chaunacidae; Bathychaunax and Chaunax. Bathychaunax differs from Chaunax by having a lower lateral line count, longer ilicium, a wider head, more widely spaced body spines and several skeletal characters.

Fangtooth

The fangtooth, also known as Anoplogaster cornuta. It only grows to a size of about six inches in length. It has a short body and a large head. Its gruesome appearance has earned it the name, "ogrefish". The color of the adults ranges from dark brown to black. They are light gray in color with long spines on their heads. The fangtooth is an extreme deep-water species that lives at depths of about 16,000 feet. The pressure at these depths is intense and the water temperature is near freezing. Food here is scarce, so the fangtooth will eat just about anything it can find. 

Dragonfish

The Deep Sea Dragonfish, or Grammatostomias flagellibarba,It is one of many species known to inhabit the deep oceans of the world. This fish grows to about six inches in length. It has a large head and mouth equipped with many sharp, fang-like teeth. The dragonfish has a long barbel attached to its chin. This barbel is tipped with a light-producing organ known as a photophore. The dragonfish uses this organ like a fishing lure, flashing it on and off and waving it back and forth. Once an unsuspecting fish gets too close, it is snapped up in the dragonfish's powerful jaws. The dragonfish also has photophores along the sides of its body. These light organs may be used to signal other dragonfish during mating. They may also serve to attract and disorient prey fishes from deep below. The Dragonfish lives in deep ocean waters at depths of up to 5000 feet (1,500 meters).

Gulper Eel

The gulper eel, known scientifically as Eurypharynx pelecanoides, The eel's mouth is loosely hinged, and can be opened wide enough to swallow an animal much larger than itself. In fact, it is sometimes referred to as the pelican eel. The gulper's stomach can also stretch to accommodate its large meals. This giant mouth gives the eel its other common name of umbrellamouth gulper. The eel also has a very long, whip-like tail. Specimens that have been brought to the surface in fishing nets have been known to have their long tails tied into several knots. The gulper eel grows to a length of about two to six feet and is found in all of the world's oceans at depths ranging from 3000 to 6000 feet.

wow...there are many life in the deep sea that i have not seen before..such as Fangtooth, Viperfish, Glass Squid and many life.. this life have been stay together with us for a long time ago but we all don't know the life have existence in the deep sea in all time...maybe life in deep sea have existence before we all come existence....