Fossil Fish Species in Yonderverse | World Anvil

Fossil Fish

Fossil fish are large, deep water fish found in the Grand Abyss. They are known for having barely evolved since they first appeared, 248 million years ago.

Basic Information

Anatomy

Fossil fish have seven plates on their backs that can absorb the surrounding heat in the depths where it lives. It is a very slow moving fish. They have light brown scales, with darker fins.
They have very long bottom canines that extend out of the mouth from the lower jaw.

Genetics and Reproduction

Fossil fishes, like all creatures, mate for life. They will find a partner at a year old, and then they both find a suitable home together, in the rocky seabed. The females give birth to 2 live young, after 8 months of internal fertilization. After the babies are born, they are pretty much okay to survive on their own. The parents leave them, and they go their separate ways until the next year where they meet up with each other.

Ecology and Habitats

Fossil fish, being slow swimmers, spend a lot of their lives gliding on the seabed. They prefer rockier areas, where they can try to hide from potential predators, such as Felorcas and kaijurays.

Dietary Needs and Habits

Fossil fish feed on smaller fish that they find swimming near the seabed. When they swim completely motionless, they appear as rocks to other fish, so they do not see the threat. The fossil fish's quick reactions allow them to stab the prey with their teeth, and then they can eat.

Additional Information

Perception and Sensory Capabilities

The plates on their back can absorb heat, a common sight in deepwater fish. They absorb little heat they can in the depths, but can absorb a lot of heat from thermal spires and underwater volcanoes.
Geographic Distribution
These fish are very slow swimmers when they can't absorb much heat. They like to stay close to underwater volcanoes or a thermal spire bank. The more heat they absorb, the faster they swim. If they can't absorb much heat then they cannot hunt, which is very bad for the fish.

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