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Nannarrup is a genus of soil centipedes in the family Mecistocephalidae. [1] [2] This genus contains only three species, including the type species Nannarrup hoffmani. [3]Also known as Hoffman's dwarf centipede, N. hoffmani was discovered in Central Park in New York City and was the first new species to be discovered in that park in more than a century. [4]
With the help of the feeder, feeding mixed food to the fish, including fish flakes and fish pellets, becomes more manageable. The mounting system is typically in the form of hooks or brackets. However, some electronic fish feeders also come with suction cups that attach to the wall of the aquarium. [4]
Despite the name, the electric eel is a type of knifefish. The Gymnotiformes / dʒ ɪ m ˈ n ɒ t ɪ f ɔːr m iː z / are an order of teleost bony fishes commonly known as Neotropical knifefish or South American knifefish.
Though suction feeding can be seen across fish species, those with more cranial kinesis show an increase in suction potential as a result of more complex skull linkages that allow greater expansion of the buccal cavity and thereby create a greater negative pressure. Most commonly, this is achieved by increasing the lateral expansion of the skull.
Observations of the grumpy dwarfgoby indicate that it typically inhabits depths ranging from 10 to 30 metres (30 to 100 ft). This depth range is where the fish finds shelter among the holes and crevices among the walls, and overhangs of coral reefs, as well as access to various food sources, such as tiny invertebrates, which it will capture using its large canines.
Fish serving cutlery (end of 19th century). Fish knives, like most highly specialized utensils, date back to Victorian era.The fish knife was preceded in the 18th century by a silver fish slice (also known as fish trowel, fish carver, and fish knife [2]), [1] a broad tool used for serving fish (thus yet another name, fish server), pudding, [3] and other soft desserts.
Knifefish may refer to several knife-shaped fishes: The Neotropical or weakly electric knifefishes, order Gymnotiformes, containing five families: Family Gymnotidae (banded knifefishes and the electric eel) Family Rhamphichthyidae (sand knifefishes) Family Hypopomidae (bluntnose knifefishes) Family Sternopygidae (glass and rat-tail knifefishes)
Gymnotus species are nocturnal and mainly feed on aquatic insects, crustaceans, small fish and other small animals, [9] but may also take plant material. [8] Being electric fish, they generate weak electric fields used for navigation, finding prey and communicating with other individuals of their species.