Data Deficient Species

Anchovies
November 12th is celebrated as National Pizza with the Works Except Anchovies Day

Arapaima
One of the largest freshwater fish

Bigfin Reef Squid
Can change color through use of chromatophores

Black Marlin
Every black marlin is born as a female.

Boelen’s python
A single hatchling can go for over $5,000 as a pet.

Cat Snake
Some cat snakes have a prehensile tail that helps them climb into trees.

Cobras
Several medicines have been created using cobra venom.

Dragonfish
Dragonfish can emit red light from their eyes

Dusky Dolphin
Communicates using whistles, squeaks and clicks!

Hagfish
Can use slime to suffocate marine predators or escape capture

Horn Shark
Endemic to the Californian coast!

Horse
Has evolved over 50 million years!

Humboldt Squid
The Humboldt squid can change colors to communicate

John Dory
The John Dory is often labeled one of the ugliest fish in the world and has no known relatives.

Killer Whale
Typically consumes over 200 kg of food a day!

Leptocephalus
Leptocephali have flat bodies filled with jelly-like substances, surrounded by a thin layer of muscle.

Pipefish
The male pipefish has the ability to carry fertilized eggs with him

Polka Dot Stingray
Can detect electrical fields from other creatures

Python
Female pythons lay eggs and defend them until they hatch.

Snailfish
The deepest ocean-dweller is a snailfish who was found over 26,700 feet below sea level.

Spider-Tailed Horned Viper
They like to hide in crevices on the sides of cliffs, waiting for prey.

Viperfish
Viperfish have a bioluminescent spine on their dorsal fin.

Yeti Crab
The yeti crab has hairy arms, which collect bacteria to feed on
Data Deficient Species List
Thank you for reading! Have some feedback for us? Contact the AZ Animals editorial team.