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Like other bobtail squid, southern dumpling squid have a light organ fuelled by symbiotic bioluminescent bacteria. The light organ, which is butterfly-shaped, is situated in the mantle cavity and is used to cancel out the bobtail squid's silhouette. There are large semi-circular fins on the rear half of the mantle.
The striped pyjama squid is a predatory animal that feeds on fish, shrimp and crustaceans. During the day, Sepioloidea lineolata will bury itself in the sand to where only the top of its head and its yellow eye are visible. Throughout the day, the squid continues to flick sand particles over its body in order to remain hidden.
Bobtail squid (order Sepiolida) [1] are a group of cephalopods closely related to cuttlefish. Bobtail squid tend to have a rounder mantle than cuttlefish and have no cuttlebone . They have eight suckered arms and two tentacles and are generally quite small (typical male mantle length being between 1 and 8 cm (0.39 and 3.15 in)).
The list includes records of giant squid (genus Architeuthis) either supported by a physical specimen (or parts thereof) or—in the absence of any saved material—where at least one of the following conditions is satisfied: the specimen was examined by an expert prior to disposal and thereby positively identified as a giant squid; a ...
Squid halide peroxidase is the main enzyme responsible for crafting this microbiocidal environment, using hydrogen peroxide as a substrate, but A. fischeri has evolved a brilliant counterattack. A. fischeri possesses a periplasmic catalase that captures hydrogen peroxide before it can be used by the squid halide peroxidase, thus inhibiting the ...
Euprymna hyllebergi have been observed burrowing into the sand and burying themselves to create a coat of sand over their bodies. When beginning to burrow into the sand, E. hyllebergi use a mix of rocking their mantles, fin beating, and water jetting to dig their way beneath. To completely bury themselves below, they sweep their third arm ...
Idiosepius pygmaeus, also known as the two-toned pygmy squid or tropical pygmy squid, is a species of bobtail squid native to the Indo-Pacific. It occurs in waters of the South China Sea , Japan , Philippines , Palau , Indonesia , Northern Mariana Islands , as well as northern and northeastern Australia .
A SQUID (superconducting quantum interference device) is a very sensitive magnetometer used to measure extremely weak magnetic fields, based on superconducting loops containing Josephson junctions. SQUIDs are sensitive enough to measure fields as low as 5×10 −18 T with a few days of averaged measurements. [ 1 ]