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The sea lamprey is an aggressive predator by nature, which gives it a competitive advantage in a lake system where it has no predators and its prey lacks defenses against it. The sea lamprey played a large role in the destruction of the Lake Superior trout population.
Sea lamprey is the most sought-after species in Portugal and one of only two that can legally bear the commercial name "lamprey" (lampreia): the other one being Lampetra fluviatilis, the European river lamprey, both according to Portaria (Government regulation no. 587/2006, from 22 June).
The Pacific lamprey (Entosphenus tridentatus) is an anadromous parasitic lamprey from the Pacific Coast of North America and Asia in an area called the Pacific Rim. [4] It is a member of the Petromyzontidae family. The Pacific lamprey is also known as the three-tooth lamprey and tridentate lamprey. Ammocoetes held by biologist in the Carmel River
Studies have found that the digestive tract of the lamprey actually shrinks and becomes functionally useless as larval lampreys enter the adult stage. The southern brook lamprey encounters a wide range of predators in its natural habitat. [7] The eggs of adults are preyed on by various species of fish and crayfish. [8]
Wounds have been known to penetrate into the body cavity of hosts, though the majority of prey are only scarred and are not fatally wounded. Only 15% of prey are mortally injured from lamprey feedings. Lampreys are one of the leading predators of salmonids, as shown by the high frequency of salmonids with scars (50–80%) found in the lakes. [7]
A New York creek has a vampire problem. "They're a couple feet long, very, very different. They are fish, no connection to eels, though they do look similar," reported WKBW's Matt Bové.
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 sea cucumber, like other bioluminescent animals, is able to emit light. It uses this effect as an alarm to expose its self and potential predators in times of an attack.