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Unlike bony fish, sharks have a complex dermal corset made of flexible collagenous fibers and arranged as a helical network surrounding their body.
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Unlike and bony
Unlike bony fish, there is no direct control of the pigment cells by the nervous system, and this results in the colour change taking place more slowly than happens in fish.
Unlike bony fish, sharks do not have gas-filled swim bladders for buoyancy.
Unlike most bony fish, sharks are K-selected reproducers, meaning that they produce a small number of well-developed young as opposed to a large number of poorly developed young.
Unlike the softshell turtles of the family Trionychidae, pig-nosed turtles retain a domed bony carapace beneath their leathery skin, rather than a flat plate.
Unlike and fish
Unlike the Eleutherians, who were primarily farmers, the first settlers on New Providence made their living from the sea, salvaging ( mainly Spanish ) wrecks, making salt, and taking fish, turtles, conchs and ambergris.
Unlike other fish, shark gill slits are not covered, but lie in a row behind the head.
Unlike their ancestor Poseidon who is always fully anthropomorphic in ancient art ( this has only changed in modern popular culture ), Tritons ' lower half is that of a fish, while the top half is presented in a human figure.
Unlike oily fish, white fish contain oils only in their liver, rather than in their gut, and can therefore be gutted as soon as they are caught, on board the ship.
Unlike many other physostome fish, the trout do not use their bladder as an auxiliary device for oxygen uptake, relying solely on their gills.
Unlike eared seals and true seals, which feed primarily by hunting fish and squid in the water column, walrus generally prefer clams and other invertebrates living on the ocean floor.
Unlike Norway, Denmark did not need Iceland's fish and homespun wool.
Unlike other coastal regions in Korea, kimchi in this area does not contain much salted fish.
Unlike spin fishing where the line is already on the reel, playing a large fish with fly line and a fly reel can present a special challenge.
Unlike the gills of fish, human lungs are adapted to the exchange of gases at atmospheric pressure, not liquids.
Unlike the " white " Sterna terns, these birds do not dive for fish, but forage on the wing picking up items at or near the water's surface or catching insects in flight.
Unlike some of its immediate neighbors in the Texas Highland Lakes reservoir system, Lake Marble Falls is not infested with hydrilla, a non-native invasive plant from Asia thought to have been introduced to the U. S. via the tropical fish industry.
Unlike most other fish species which are chilled or frozen, groupers are usually sold live in markets.
Unlike the Great White Pelican it does not form large feeding flocks and is usually found to fish singly or in small flocks.
Unlike the " fish owls " that were also considered to be included in Keputa, the Barred and the Spot-bellied species are not closely tied to riparian habitats and piscivorous eating habits.
Unlike commercially available tropical fish, whose behavior patterns and tank compatibilities are well documented, coldwater fish require much local ichthyology knowledge in order to maintain them.
Unlike in the adventure mode, after five minutes all purchase options are open so that there is no need to purchase specific upgrades or special fish to be able to buy other items or egg pieces.
Unlike the various Pacific salmon species which die after spawning ( semelparous ), the Atlantic salmon is iteroparous, which means the fish may recondition themselves and return to the sea to repeat the migration and spawning pattern several times, although most spawn only once or twice.
Unlike and sharks
Unlike the common image of sharks, M. owstonis fins are not pointed and instead are low and rounded, with the anal and pelvic fins significantly larger than the dorsal fins.
Unlike the megamouth and whale sharks, the basking shark does not appear to actively seek its quarry, but it does possess large olfactory bulbs that may guide it in the right direction.
Unlike other sharks, the retina of the cookiecutter shark has ganglion cells concentrated in a concentric area rather than in a horizontal streak across the visual field ; this may help to focus on prey in front of the shark.
Unlike most sharks, Cladoselache was almost entirely devoid of scales with exception of small cusped scales on the edges of the fins, mouth and around the eyes.
Unlike other requiem sharks, which rely on ram ventilation and must constantly swim to breathe, this shark can pump water over its gills and lie still on the bottom.
Unlike blacktip reef sharks and grey reef sharks, whitetip reef sharks do not become more excited when feeding in groups and are unlikely to be stirred into a feeding frenzy.
Unlike other sharks, the sand tiger can gulp air from the surface, allowing it to be suspended in the water column with minimal effort.
Unlike and have
Unlike cities and towns, however, they do not have to submit any financial statements to the state Bureau of Audits.
Unlike most such sports rivalries, it appeared to have developed almost spontaneously, although this was not exactly the case.
Unlike the simple counting board used in elementary schools, very efficient suanpan techniques have been developed to do multiplication, division, addition, subtraction, square root and cube root operations at high speed.
Unlike pure metals, most alloys do not have a single melting point, but a melting range in which the material is a mixture of solid and liquid phases.
Unlike the later Christianization of the Saxon and of the Slavs, the Alemanni seem to have adopted Christianity gradually, and voluntarily, spread in emulation of the Merovingian elite.
Unlike the Hamza, the 153 km-long underground river in Mexico's Yucatán Peninsula and the 8. 2 km-long Cabayugan River in the Puerto Princesa Subterranean River National Park in the Philippines have come into being thanks to the karst topography.
Unlike other self-governing Australian territories ( e. g. Norfolk Island, Northern Territory ), the ACT does not have an Administrator.
Unlike most Common-law jurisdictions, the majority of civil law jurisdictions have specialized courts or sections to deal with administrative cases which, as a rule, will apply procedural rules specifically designed for such cases and different from that applied in private-law proceedings, such as contract or tort claims.
Unlike France or Germany, there are no special administrative courts of first instance in the Netherlands, but regular courts have an administrative " chamber " which specializes in administrative appeals.
Unlike in the United States, the Canadian Radio-television and Telecommunications Commission ( CRTC ) and Industry Canada have not set any requirement for maintaining AMPS service in Canada.
Unlike many other statistics, a player's OPS does not have a simple intrinsic meaning, despite its usefulness as a comparative statistic.
Unlike binary-addressed computer main memory, there is nothing in a disk drive that influences it to have a total capacity easily expressed using a power of 1024.
Unlike lawn bowls, bocce balls are spherical and have no inbuilt bias.
Unlike deer, which have branched antlers that they shed annually, bongos and other antelopes have pointed horns that they keep throughout their lifespan.
Unlike lemurids, they have long upper incisors, although they do have the comb-like teeth typical of all strepsirhines.
Unlike the typical menu selections of many other Chinese cuisines, Teochew restaurant menus often have a dessert section.
Unlike fungi, oomycetes typically possess cell walls of cellulose and glucans rather than chitin, although some genera ( such as Achlya and Saprolegnia ) do have chitin in their walls.
Unlike six-wicket croquet, where each time a ball is roqueted a croquet shot must be taken, players have four options after roqueting another ball.
Unlike many Midwestern and East Coast cities, Chicago tends to have wider streets.
Unlike many anime titles, viewers weren ’ t expected to have knowledge of Asian culture — character names, signs, and the like were primarily in English to begin with — or have seen any other anime series prior.
Unlike reforms in the United Kingdom, New South Wales, Tasmania, Victoria, South Australia and soon to be Western Australia, this law does not have a retrospective effect, which is unpopular with some advocates of the reform.
Unlike Swedish and Norwegian, Danish does not have more than one regional speech norm.
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