Idiastion

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Idiastion
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Scorpaenidae
Subfamily: Scorpaeninae
Genus: Idiastion
Eschmeyer, 1965
Type species
Idiastion kyphos
Eschmeyer, 1965[1]

Idiastion is a small genus of marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. They are found in the Atlantic and Pacific oceans.

Idiastion was first described as a genus by the American ichthyologist William N. Eschmeyer in 1965 when he was describing its type species, Idiastion kyphos, from the southeastern Caribbean Sea, between Venezuela and Grenada.[2] Subsequently two more species have been added to the genus from the Pacific Ocean.[3] The genus is classified within the tribe Scorpaenini in the subfamily Scorpaeninae of the scorpionfish family Scorpaenidae.[4] The genus name Idiastion is the Greek word meaning "hermit" or "recluse", alluding to the rarity of the scorpionfishes at the depths at which Idiastion was collected from.[5]

Species

There are currently three recognized species in this genus:[3]

  • Idiastion hageyi McCosker, 2008(Galapagos humpback scorpionfish)
  • Idiastion kyphos Eschmeyer, 1965 (Sharpcheek scorpionfish)
  • Idiastion pacificum Ishida & Amaoka, 1992 (Flame humpback scorpionfish)

Characteristics

Distribution and habitat

References

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