Humming-bird bobtail squid

Euprymna berryi

''Euprymna berryi'', commonly called humming-bird bobtail squid or Berry's bobtail squid among various other vernacular names, is a species of mollusc cephalopod in the family Sepiolidae.
Flying The Hummingbird Bobtail Squid - Euprymna berry is also known as Berry's Bobtail Squid.
They are very small in size, around 2 cm although often times smaller.  Usually seen at night among sandy bottom.
Sometimes, only their eyes are visible as they buries themselves into the sandy bottom.  They can be quite fun to watch as they moves from place to place when they realised they have been discovered, by burying themselves into the sands while their head is still exposed, they will use their tentacles to arrange small pebbles/sands over the head until more of its head are covered! Anilao,Batangas,Bobtail Squid,Euprymna berry,Euprymna berryi,Geotagged,Hummingbird Bobtail Squid,Philippines,Squid,Winter

Appearance

The humming-bird bobtail squid is a small sized sepia. Its size varies according to the sex; males are no bigger than 3 centimetres while the female reaches 5 centimetres length.
The global body aspect is compact and rounded. It possesses eight arms and two tentacles, a pair of small lateral fins on the posterior part of the mantle.
The background color of the body is translucent with a large number of tiny dark chromatophores. Those later are widely distributed on all the body from arms, head, ventral and dorsal areas of the mantle, except the pair of lateral fins which only the border with the mantle has chromatophores.
The external color of the sepia, as we see it, is like a blend of small dark, electric blue and green dots.
Bobtail squid (Euprymna berryi) Monument, Lembeh. Night dive.
You are looking at a 1 cm long bobtail squid. They can grow up to 5 cm.
Look this interesting fact on their colorful platelet reflectors:
https://asknature.org/strategy/platelets-reflect-light/ Euprymna berryi,Geotagged,Humming-bird bobtail squid,Indonesia,Spring

Distribution

The humming-bird bobtail squid is widespread throughout the tropical waters of the central Indo-Pacific area from the Indonesia to the Philippines. Possible larger distribution that could reach Andaman Islands, the Sri Lanka and the western coast of India .
''Euprymna berryi'' has a benthic way of life, it likes sandy or fine sediments bottom in which it can easily bury itself in case of danger or to rest during day time.
Bob Tail Squid - Euprymna berry  Bali,Bob Tail Squid,Euprymna berryi,Geotagged,Humming-bird bobtail squid,Indonesia,Squid

Behavior

The humming-bird bobtail squid has a nocturnal activity, during daytime it usually stays buried in its preferred substrate. To hunt its prey at night, it uses a bioluminescent organ located in the gill cavity which just emits enough light not to reveal its silhouette to potential predators.
It feeds on mainly small benthic crustaceans.

Habitat

The humming-bird bobtail squid is widespread throughout the tropical waters of the central Indo-Pacific area from the Indonesia to the Philippines. Possible larger distribution that could reach Andaman Islands, the Sri Lanka and the western coast of India .
''Euprymna berryi'' has a benthic way of life, it likes sandy or fine sediments bottom in which it can easily bury itself in case of danger or to rest during day time.

References:

Some text fragments are auto parsed from Wikipedia.

Status: Data deficient
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionMollusca
ClassCephalopoda
OrderSepiolida
FamilySepiolidae
GenusEuprymna
SpeciesE. berryi