Sparkling Enope Squid


Sparkling Enope Squid

Taxobox
name = Sparkling Enope Squid
regnum = Animalia
phylum = Mollusca
classis = Cephalopoda
ordo = Teuthida
familia = Enoploteuthidae
genus = "Watasenia"
genus_authority = Ishikawa, 1914
species = "W. scintillans"
binomial = "Watasenia scintillans"
binomial_authority = (Berry, 1911)

The Sparkling Enope Squid ("Watasenia scintillans"), also known as the Firefly Squid, is a member of the class Cephalopoda, subclass Coleoidea, order Teuthida. It is the sole species in the genus "Watasenia".

pecies characteristics

The Sparkling Enope Squid is found in the Western Pacific ocean at depths of 600 to 1200 feet and possesses bioluminescent properties. Each tentacle has an organ called a photophore, which produces light. By flashing these lights, the Sparkling Enope Squid can attract small fish to feed upon.

The Sparkling Enope Squid is the only species of cephalopod in which evidence of color vision has been found. While most cephalopods have only one visual pigment, firefly squid have three, along with a double-layered retina. These adaptations for color vision may have evolved to enable firefly squid to distinguish between ambient light and bioluminescence. [cite book | last = Messenger | first = John B. | coauthors = Roger T. Hanlon | title = Cephalopod Behaviour | publisher = Cambridge University Press | date = 1998 | location = Cambridge | pages = 17-21 | id = ISBN 0-521-64583-2]

The Sparkling Enope Squid measures about 3 inches long at maturity and dies after one year of life.

Mating

The Sparkling Enope Squid can also light up its whole body to attract a mate. The mating season of the Sparkling Enope Squid lasts from March to June.

References

External links

* [http://www.seasky.org/monsters/sea7a1o.html Sea and Sky]
* [http://www.hotaruikamuseum.com/ Japanese Museum dedicated to the firefly squid]
* [http://www.city.uozu.toyama.jp/en/htrk/index.html Short article]


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  • Photophore — A photophore is a light emitting organ which appears as luminous spots on various marine animals, including fish and cephalopods. The organ can be simple, or as complex as the human eye; equipped with lenses, shutters, color filters and… …   Wikipedia


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