Sea Spiders
They have long legs in contrast to a small body size. The number of walking legs is usually eight (four pairs), but species with five and six pairs exist.
The ocean sunfish or common mola (Mola mola)
It is one of the two heaviest known bony fish in the world. Adults typically weigh between 247 and 2,000 kg.
Magnapinna Squid
The arms and tentacles of the squid are both extremely long and believed to be 4 to 8 m long. These are held perpendicular to the body, creating "elbow".
The Colossal Squid
It is sometimes called the Antarctic squid or giant cranch squid and is believed to be the largest squid species in terms of mass.
The vampire squid
It has eight arms and two tentacles. It does not suck or drink blood, the name is from its dark color and the skin that connects the arms, resembling a cape.