CreatureData

Frog shark

Somniosus longus (Tanaka, 1912)

Status not recordedsharks and rays

The frog shark (Somniosus longus) is a species in the family Somniosidae, order Squaliformes.

No freely licensed photo yet

Quick facts about the frog shark

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the frog shark live?

Not recorded

Is the frog shark endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the frog shark classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classElasmobranchii
  4. orderSqualiformes
  5. familySomniosidae
  6. genusSomniosus
  7. SpeciesSomniosus longus (Tanaka, 1912)

Synonyms Heteroscymnus longus

Other names and names in other languages (5)
  • Little sleeper sharkEnglish
  • Squalo ranaItalian
  • カエルザメJapanese
  • Tubarão-sapoPortuguese
  • Японская полярная акулаRussian

Catalogue of Life

Relatives of the frog shark

Other species in the same genus Somniosus.

Blimp shark

Somniosus antarcticus

SomniosidaeNo free photo yet

CompareFrog shark vs Greenland sharkFrog shark vs Pacific sleeper sharkFrog shark vs Little sleeper sharkFrog shark vs Blimp shark

Common questions

Answered only where our data holds the answer.

What kind of animal is the frog shark?

The frog shark (Somniosus longus) belongs to the family Somniosidae in the order Squaliformes.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Frog shark (Somniosus longus). Retrieved from https://creaturedata.com/animals/frog-shark

MLA

“Frog shark (Somniosus longus).” CreatureData, 2026, https://creaturedata.com/animals/frog-shark.

BibTeX
@misc{frog_shark_2026,
  title = {Frog shark (Somniosus longus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/frog-shark},
  note = {Data as of 2026-11-11}
}