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Like other related marine flatworms, the new species has both male and female genitalia, the study said. Huidong marine flatworms have at least 170 eyes on their heads, researchers said.
Free-living flatworms are mostly predators, and live in water or in shaded, humid terrestrial environments, such as leaf litter. Cestodes (tapeworms) and trematodes (flukes) have complex life-cycles, with mature stages that live as parasites in the digestive systems of fish or land vertebrates , and intermediate stages that infest secondary hosts.
The Polycladida [1] represents a highly diverse clade of free-living marine flatworms. They are known from the littoral to the sublittoral zone (extending to the deep hot vents), and many species are common from coral reefs. Only a few species are found in freshwater habitats.
Thysanozoon nigropapillosum is quite common along the external reef in the shallow sub-tidal zone. It can swim by undulating and rhythmically contracting the body margins. It feeds on tunicates, using its mouth and large pharynx to engulf Didemnum spp., and later regurgitates food pellets containing the calcareous spicules present in their tunic
Hammerhead worms are planarians, a type of flatworm. Five species of invasive hammerhead worms — four in the genus Bipalium and one in Diversibipalium — are established in North America, said ...
Bipalium species are predatory.Some species prey on earthworms, while others may also feed on mollusks. [10] [11] These flatworms can track their prey. [12]When captured, earthworms begin to react to the attack, but the flatworm uses the muscles in its body, as well as sticky secretions, to attach itself to the earthworm to prevent escape.
Convolutriloba retrogemma is a reddish-brown acoel 2 mm in length also commonly known as redbug, red planaria, rust flatworm, or simply red flatworm. It is a marine animal that gets energy from its endosymbiotic algae or from the consumption of small invertebrates such as copepods and rotifers.
Kaburakia excelsa, the giant flatworm or giant leaf worm, [2] is a species of flatworm found on the lower shore and shallow water in the eastern Pacific Ocean. It occurs on the lower shore and shallow sub-littoral zone .