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Cuttlefish change color and pattern (including the polarization of the reflected light waves), and the shape of the skin to communicate to other cuttlefish, to camouflage themselves, and as a deimatic display to warn off potential predators. Under some circumstances, cuttlefish can be trained to change color in response to stimuli, thereby ...
Evolution of cephalopods. Appearance. The cephalopods have a long geological history, with the first nautiloids found in late Cambrian strata. [ 1 ] The class developed during the middle Cambrian, and underwent pulses of diversification during the Ordovician period [ 2 ] to become diverse and dominant in the Paleozoic and Mesozoic seas.
The cuttlebone of a cuttlefish. This is the largest hard part of a cuttlefish, maintaining the rigidity of its body.. The common cuttlefish is one of the largest species of cuttlefish with a mantle length reaching up to 45 cm and a mass of 4 kg on a presumed male, although this is for an exceptional specimen in temperate waters; specimens in subtropical waters rarely surpass a mantle length of ...
Sepia (cephalopod) Sepia. (cephalopod) Sepia is a genus of cuttlefish in the family Sepiidae encompassing some of the best known and most common species. The cuttlebone is ellipsoid in shape. The name of the genus is the Latinised form of the Ancient Greek σηπία (sēpía) "cuttlefish".
Despite the duo being referred to as the Squid Sisters, Callie and Marie are actually cousins, [10] and are the granddaughters of Cap’n Craig Cuttlefish, a veteran of a major conflict known as the Great Turf War. [3] The two were born in Calamari County, a rural area hours away from Inkopolis. [11]
Solitosepia liliana Iredale, 1926. Sepia mestus, also known as the reaper cuttlefish or red cuttlefish, [3] is a species of cuttlefish native to the southwestern Pacific Ocean, specifically Escape Reef off Queensland (15°47′S 145°47′E) to Murrays Beach off Jervis Bay (35°08′S 150°46′E). Reports of this species from China and Vietnam ...
A cuttlefish with W-shaped pupils which may help them discern colors. All octopuses [21] and most cephalopods [22] [23] are considered to be color blind. Coleoid cephalopods (octopus, squid, cuttlefish) have a single photoreceptor type and lack the ability to determine color by comparing detected photon intensity across multiple spectral channels.
Sepia latimanus is a coastal species occurring in coral reefs and which is found in shallow water to depths of 30 m. In the western Pacific, off Guam and off Okinawa in the shallows from January to May, and the resultant eggs hatch in 38 to 40 days. It is diurnal species which appears to mesmerise its prey by using a display consisting of a ...