Gulf hagfish

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Gulf hagfish
Eptatretus springeri.JPG
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Myxini
Order: Myxiniformes
Family: Myxinidae
Genus: Eptatretus
Species: E. springeri
Binomial name
Eptatretus springeri
(Bigelow & Schroeder, 1952)
  • Paramyxine springeri Bigelow & Schroeder 1952

The gulf hagfish (Eptatretus springeri) is the only known species with the ability to enter brine pools, or pools of extremely high salt content, unharmed. These pools resemble lakes on the ocean floor. They exist in both the Gulf of Mexico and the Mediterranean Sea. The high salt content, approximately 200 ppt compared to 35 ppt for standard seawater, creates a buoyant surface which renders oceanic submersibles unable to descend into the pool. Often, other species can be seen floating lifelessly on the surface. It is believed that the pools only support bacterial life.

See also[edit]


  1. ^ Froese, R.; Pauly, D. (2017). "Myxinidae". FishBase version (02/2017). Retrieved 18 May 2017. 
  2. ^ "Myxinidae" (PDF). Deeplyfish- fishes of the world. Retrieved 18 May 2017. 

External links[edit]