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After mating, the female burrows into the flesh of a fish and transforms into an unsegmented, wormlike form, usually with a portion hanging from the fish's body. [1] Eggs are released from the posterior "tails" (egg sacs) into the water, where they hatch within 24 to 36 hours. [ 2 ]
When their population becomes high, the worms migrate toward the surface of the water for access to higher concentrations of oxygen. [ citation needed ] Although detritus worms may not cause harm to aquarium fish, their appearance is an indication of poor water quality mainly due to overfeeding and lack of good water sanitation.
Spaghetti worms have tentacles that extend outside their burrow for a considerable distance. The bodies of spaghetti worms are segmented. The tentacles can grow over one meter long. The tentacles are used to wrap around their prey and bring it closer to the mouth. Eupolymnia crasscornis also has inner and outer lips for food gathering.
The Anisakis simplex is a parasitic roundworm classified under the phylum Nematoda. [2] [5] It possesses the typical characteristics of its phylum, including an unsegmented, cylindrical body that occasionally fills up with fluids and allows it to swim freely. [5]
An effective way to clear Ich from a fish population is to transfer all of the fish carrying trophonts in their skin, fins or gills to a non-infected tank every 24 hours. Then the fish do not get re-infected and after a number of days (dependent on temperature) the fish have cleared the infection because trophonts exit within this period.
Adult male worms are 20–40 cm long and 5–6 mm wide; females can grow to 103 cm in length with a width of 10–12 mm. [3] Both sexes appear bright red in color and taper at both the anterior and posterior ends. Male D. renale worms have a bursa, which is used to attach to facilitate mating. [citation needed]
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 ...
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.