- Crossota millsae
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Crossota millsae Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Phylum: Cnidaria Subphylum: Medusozoa Class: Hydrozoa Subclass: Trachylinae Order: Trachymedusae Family: Rhopalonematidae Genus: Crossota Species: C. millsae Binomial name Crossota millsae
Thuesen, 2003Crossota millsae is a species of deep-sea jellyfish.[1] Males and females have both been described, and it reproduces sexually. They are viviparous and females brood baby medusae attached to the gastric canals inside the sub-umbrellar space.
Contents
Distribution
Crossota millsae was first described from the Pacific Ocean off Hawaii and California.[1] It was subsequently found in the Arctic Ocean.[2][3] It lives below 1 km depth in all three regions. Its highest abundance is found at 2500 m off California and 1250 m off Hawaii. In the Arctic Ocean, it has been observed sitting on the seafloor.[4]
Etymology
It was named after Dr. Claudia Mills, a marine scientist at the Friday Harbor Laboratories.
References
- ^ a b Thuesen, E.V., 2003. Crossota millsae (Cnidaria: Trachymedusae: Rhopalonematidae), a new species of viviparous hydromedusa from the deep sea off California and Hawaii. Zootaxa, 309: 1-12 http://www.mapress.com/zootaxa/2003f/zt00309.pdf
- ^ http://www.mpcfaculty.net/kevin_raskoff/arctic.htm
- ^ http://news.bbc.co.uk/earth/hi/earth_news/newsid_8231000/8231553.stm
- ^ Raskoff, K.A., R.R. Hopcroft, K.N. Kosobokova, J.E. Purcell, & M. Youngbluth, 2009. Jellies under ice: ROV observations from the Arctic 2005 hidden ocean expedition, Deep-sea Research II
External links
- A widely reproduced photograph of C. millsae from the Arctic Ocean.
- An in situ photograph taken near the Davidson Seamount off California.
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