The Muraenesocidae, or pike congers, are a small family of marine eel

Eel

Eels are an order of fish, which consists of four suborders, 20 families, 111 genera and approximately 800 species. Most eels are predators...

s found worldwide in tropical and subtropical seas. Some species are known to enter brackish water.

Pike congers have a cylindrical body, scaleless skin, a narrow head with large eyes, and strong teeth. The dorsal fin

Dorsal fin

A dorsal fin is a fin located on the backs of various unrelated marine and freshwater vertebrates, including most fishes, marine mammals , and the ichthyosaurs...

 starts above the well-developed pectoral fins. These rather aggressive fish range from 60 centimetres (2 ft) to 250 centimetres (8.2 ft) in length.

Genera

There are thirteen known species in the following five genera:

• Genus Congresox
  Congresox
  Congresox is a genus of eels in the pike conger family Muraenesocidae. It currently contains the following species:* Congresox talabon * Congresox talabonoides...
  
  
• Genus Cynoponticus
  Cynoponticus
  Cynoponticus is a small genus of eels found throughout the Indo-Pacific. It is one of four genera in the family Muraenesocidae. It currently has three described species, which were formerly in the genus Muraenesox. Members are found in a wide distribution of the Atlantic Ocean, Pacific and Indian...
  
  
• Genus Gavialiceps
  Gavialiceps
  Gavialiceps is a genus of eels in the pike conger family Muraenesocidae. It currently contains the following species:* Gavialiceps arabicus * Gavialiceps bertelseni Karmovskaya, 1993...
  
  
• Genus Muraenesox
  Muraenesox
  Muraenesox is a small genus of eels found throughout the Indo-Pacific. It currently has two described species as most species have been moved to other genera. Members are found in the Indo West Pacific.-Species:* Muraenesox bagio Muraenesox is a small genus of eels found throughout the...
  
  
• Genus Oxyconger