Velvet dogfish
| Velvet dogfish | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Squaliformes |
| Family: | Somniosidae |
| Genus: | Zameus D. S. Jordan & Fowler, 1903 |
| Species: | Z. squamulosus |
| Binomial name | |
| Zameus squamulosus (Günther, 1877) | |
 | |
| Range of the velvet dogfish | |
| Synonyms | |
The velvet dogfish, Zameus squamulosus, the only member of the genus Zameus, is a harmless sleeper shark of the family Somniosidae, found around the world between latitudes 64°N and 48°S, from the surface to 2,000 m. Its length is up to 84 cm.[1] Although sharks within the family Somniosidae have generally been accepted to be non-luminous, Zameus squamulosus has photophores on its ventral epidermis. [2]
Reproduction is ovoviviparous.
References
- ↑ White, W.T., Vaz, D.F.B., Ho, H.-C., Ebert, D.A., Carvalho, M.R.d., Corrigan, S., Rochel, E., Carvalho, M.d., Tanaka, S. & Naylor, G.J.P. (2014): Redescription of Scymnodon ichiharai Yano and Tanaka 1984 (Squaliformes: Somniosidae) from the western North Pacific, with comments on the definition of somniosid genera. Ichthyological Research, 62 (2): 213-229.
- ↑ Straube, N.; Chenhong, L.; Claes, J.M.; Corrigan, S.; Naylor, G.J.P. (2015). "Molecular phylogeny of squaliforms and first occurrence of bioluminescence in sharks". Evolutionary Biology. 15. doi:10.1186/s12862-015-0446-6.
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