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Hawaiian Bobtail Squid
(Euprymna scolopes)
walrus
Description
It is one of the smallest and slimmest squids. They have a rounded body, or mantle, with a pair of unique paddle shaped fins that aid in swimming and 8 tentacles. A feature unique to them is the bilobed and bioluminescent light organ present inside the squid's mantle cavity. This organ provides light, allowing the squid to hunt its prey at night. They also possess metabracial vesicles, which function as their eyes. The vesicles allow the squid to perceive and manipulate the amount of light it can give off, so the squid can camouflage itself in a process known as counterillumination.
Dimensions
The mantle plus tentacles measure an average of 1.4 inches in length, and weighs an average of 0.09 oz.
Diet
Their primary diet is shrimp and younger squids and crustaceans.
Habitat & Range
They are found in warm, shallow coastal waters. They are endemic to the oceanic habitats surrounding the Hawaiian Islands.
Conservation status
 

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© 2014 Oswaldo Rosales
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