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The adult lamprey is characterized by a toothed, funnel-like sucking mouth. The common name "lamprey" is probably derived from Latin lampetra, which may mean "stone licker" (lambere "to lick" + petra "stone"), though the etymology is uncertain. [3] Lamprey is sometimes seen for the plural form. [4]
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Most wounds caused by the lamprey are severe and result in the death of the prey. [7] [14] [15] The large wound size present on prey can be explained by the river lampreys feeding style. Instead of feeding on blood like parasitic lamprey, the river lamprey feeds on flesh and underlying tissue, which requires shifting the location of the ...
Cyclostomi, often referred to as Cyclostomata / s ɪ k l oʊ ˈ s t ɒ m ə t ə /, is a group of vertebrates that comprises the living jawless fishes: the lampreys and hagfishes.Both groups have jawless mouths with horny epidermal structures that function as teeth called ceratodontes, and branchial arches that are internally positioned instead of external as in the related jawed fishes. [1]
The Greek lamprey (Caspiomyzon hellenicus) (also known as the Greek or Macedonia brook lamprey) is a species of jawless fish in the Petromyzontidae family. It is endemic to Greece . Its natural habitats are rivers and freshwater springs .
After Mesomyzon, Caeruleum is also the second Cretaceous fossil lamprey genus named from China. [1] A short time after the initial description of Caeruleum , Xu, Janvier & Zhang (2023) named the new genus Yanliaomyzon , containing the two species Y. occisor and Y. ingensdentes , from the Middle – Late Jurassic Tiaojishan Formation of China.
An adult lake lamprey is dark blue or dark brown with a lighter belly, and the body is 11.8-27.3 cm in length. The lamprey's disc-like mouth is filled with sharp teeth. The Vancouver lamprey has eyes on the top of its head, two dorsal fins, a caudal fin, and an anal fin. [6]
Close-up of a brook lamprey's anterior body. The brook lamprey is a common, non-parasitic species that is endemic to Europe. [1] Adult brook lampreys measure from 12 to 14 cm (4.7 to 5.5 in). The body is highly elongated and dark blue or greenish above, lightening to yellowish off-white on the sides and pure white on the ventral side.