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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]
Print/export Download as PDF; Printable version ... It is part of the family Hypopomidae and is occasionally kept as an aquarium fish. [2] It lives in freshwater and ...
Hypopygus is a genus of South American gymnotiform knifefishes native to the Amazon, Orinoco and upper Paraguay basins, as well as rivers in the Guianas. [1] [2] They are often common, and found near submerged roots, aquatic vegetation and leaf-litter in streams, edges of rivers and floodplains. [1]
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.
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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)
The body of Allothereua maculata is made up of 15 segments and bears 15 pairs of long legs. [1] [2] The body is pale brown with dark markings, and grows to 20–25 millimetres (0.8–1.0 in) long.
Aside from the electric eel (Electrophorus electricus), Gymnotiformes are slender fish with narrow bodies and tapering tails, hence the common name of "knifefishes".They have neither pelvic fins nor dorsal fins, but do possess greatly elongated anal fins that stretch along almost the entire underside of their bodies.