The pelagic zone, part of the ocean or open sea that comprise the water column, and have the deepest benthic communities near the sea floor or bottom of the sea, and also called the abyssal zone. The black swallower, giant squid, angler fish and tripod fish are the common inhabitants of abyssal zone, that could live in an boundless ocean depth pressures.
1) Tripod Fish
Black-swallower Fish
Angler Fish
2) Giant Squid
The hadopelagic zone and the trench zone or Hadal zone, is the ocean’s deepest furrow, around 120,000 feet depth of the ocean’s bottom and common inhabitants includes the tube worms, viper fish, jellyfish, sea cucumbers, corals and manySea Anemone
3) Tube Worms
Spirobranchus worm or Christmas Tree Worm
4) Jelly Fish
5) Sea Cucumbers
6) Corals
7) Sea Star or Starfish
Sea Polyps
9) Sea Weeds or Sea Forests
10) Bottom Feeder is an aquatic animals that feeds on the bottom of the sea or near the sea floors, and bottom body of waters like the rivers, ocean, lake or even aquariums. The feeding invertebrates includes the shellfish, crabs, crayfish,sea anemones, starfish, snails, sea cucumbers and bristleworms. And the bottom fish includes the flatfish, halibut, flounders, sole, plaice, eels, haddock, cod, bream, grouper, bass, carp, snapper and some sharks and catfish species.
Flounder Fish
11) Snapper Fish
12) Bristle Worms
Sandworm
Clam worm
Oil Worm
13) Cold Seep Tubeworms
14) Stingray Species
15) Shark Species of the Abyssal Zone
16) King of Herrings Fish or Giant Oar Fish
17) Giant Isopod (Crustaceans related to crabs and shrimps)
18) Deep Sea Crabs / Shrimps
Deep Sea Lobster
19) Deep sea Snails
20) Abyssal Zone Slugs
The Nudibranch or commonly called sea slugs, is a member of now known as taxonomic clade or group of consisiying extinct species soft bodied marine gastropod mollusks which their shells shed after larval stage , an these sea slugs are noted for their striking colorful forms.