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The genus Anisakis was defined in 1845 [2] by Félix Dujardin as a subgenus of the genus Ascaris Linnaeus, 1758.Dujardin did not make explicit the etymology, but stated that the subgenus included the species in which the males have unequal spicules ("mâles ayant des spicules inégaux"); thus, the name Anisakis is based on anis-(Greek prefix for different) and akis (Greek for spine or spicule).
The genus Enchytraeus includes about 40 species of annelid worms. The term white worm is often used for all of the species in general, but specifically it is E. albidus which is named the white worm. This species is used as fish food by aquarium enthusiasts. E. buchholzi is known as the Grindal worm.
Common name(s) Image Taxonomy Reef safe Care Level Description Max size Christmas tree worm [1] Spirobranchus giganteus: Yes: Expert: Found living anchored in live coral colonies in nature. Each worm has two crowns, which come in a variety of different colors, and are spiraled in the shape of a Christmas tree. 5 cm (2.0 in) Cluster duster [1 ...
Enchytraeus buchholzi/Grindal worms are cultured by aquarists as a fish food, often on a bed of ground coconut shells, or coir, with oatmeal. They are used for conditioning tropical fish before spawning, or for young fast-growing fish. In laboratory testing, Enchytraeus buchholzi were kept in an incubator at 15 ± 2 °C. Water loss and food ...
The peculiar genus Mesenchytraeus is known as "ice worms", as they spend the majority of their lives within glaciers, only rising to the surface at certain points in the summer. [ 2 ] [ 3 ] Enchytraeidae also includes the Grindal worm ( Enchytraeus buchholzi ), which is commercially bred as aquarium fish food.
Diphyllobothrium is a genus of tapeworms which can cause diphyllobothriasis in humans through consumption of raw or undercooked fish. The principal species causing diphyllobothriasis is D. latum, known as the broad or fish tapeworm, or broad fish tapeworm. D. latum is a pseudophyllid cestode that infects fish and mammals.
For much of the year, these worms look like any other burrow-dwelling polychaete, but as the breeding season approaches, the worm undergoes a remarkable transformation as new, specialized segments begin to grow from its rear end until the worm can be clearly divided into two halves. The front half, the atoke, is asexual.
This trend is concerning many scientists, as marine worms act as an important food source for many fish and wading birds. Marine worms are often keystone species in an ecosystem, and the introduction of plastic in the oceans not only diminishes the growth rates of the marine worms, but also affects the food chain of that ecosystem. [10]