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Sepioteuthis australis, commonly known as the southern calamari [3] or the southern reef squid, [4] is a species of reef squid that is native to oceans off the coast of Australia and New Zealand. This species is caught commercially by trawling, as bycatch in the prawn fishing industry and by recreational anglers.
Water enters the mantle cavity around the sides of the funnel, and subsequent contraction of the hyponome expands and then contracts, expelling a jet of water. In most cephalopods, such as octopus, squid, and cuttlefish, the hyponome is a muscular tube. The hyponome of the nautilus differs however, in that it is a one-piece flap that is folded ...
The soluble component of the shell matrix acts to inhibit crystallization when in its soluble form, but when it attaches to an insoluble substrate, it permits the nucleation of crystals. By switching from a dissolved to an attached form and back again, the proteins can produce bursts of growth, producing the brick-wall structure of the shell. [2]
In species where the shell is small compared to the size of the body, more of the mantle shows. Shell-less slugs have the mantle fully visible. The dorsal surface of the mantle is called the notum, while the ventral surface of the mantle is called the hyponotum. In the family Philomycidae, the mantle covers the whole back side of the body. [2]
Cuttlebone, also known as cuttlefish bone, is a hard, brittle internal structure (an internal shell) found in all members of the family Sepiidae, commonly known as cuttlefish, within the cephalopods. In other cephalopod families it is called a gladius. Cuttlebone is composed primarily of aragonite.
In a filing late Tuesday with U.S. regulators, Gill revealed that he had liquidated his entire stake in Chewy, more than 9 million shares at one point, which had made him the company's third ...
Loligo is a genus of squid and one of the most representative and widely distributed groups of myopsid squid. The genus was first described by Jean Baptiste Lamarck in 1798. However, the name had been used earlier than Lamarck (Schneider, 1784; Linnaeus, 1758) and might even have been used by Pliny. In the early 19th century, this generic name ...
Shares of Chewy (NYSE: CHWY), the leading online pet products seller, were gaining today after the company effectively got a vote of confidence from S&P Global, as it said after hours on Friday ...