Certain species of deep-sea anglerfish have males that permanently fuse to the much larger females, sharing a circulatory system.
Fact #10773
👍 0 · 👎 0
More Animals Facts
Some birds use tools to extract insects from wood.
Fact #416 · Animals
A peacock spreads its tail feathers during courtship displays.
Fact #466 · Animals
The African elephant is the largest land animal alive today.
Fact #403 · Animals
Some insects undergo complete metamorphosis from larva to adult.
Fact #440 · Animals
Penguins can drink salt water because of specialized glands.
Fact #362 · Animals
Certain species of fish build bubble nests.
Fact #511 · Animals
Certain fish clean parasites off larger fish.
Fact #523 · Animals
A koala sleeps for many hours each day.
Fact #490 · Animals
Want more facts?
We have over 11,441 facts across 15 categories.