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The African knifefish, Gymnarchus niloticus – also called the aba aba [a] – is an electric fish, living at the bottoms of rivers and lakes. It is the only species in the genus Gymnarchus and the family Gymnarchidae , within the order Osteoglossiformes .
4. Mollies Overview. Size: 3-6 inches Average Lifespan: 3-5 years Caveats: Viviparous, needs plenty of space Cute, speckled molly fish are hardy, generally peaceful, and overall ideal for novice ...
The family Notopteridae contains 10 species of osteoglossiform (bony-tongued) fishes, commonly known as featherbacks and knifefishes.These fishes live in freshwater or brackish environments in Africa and West South East and Southeast Asia.
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)
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. They have long bodies and swim using undulations of their elongated anal fin.
Scolopendra subspinipes is a species of very large centipede found throughout southeastern Asia. One of the most widespread and common species in the genus Scolopendra, it is also found on virtually all land areas around and within the Indian Ocean, all of tropical and subtropical Asia from Russia to the islands of Malaysia and Indonesia, Australia, South and Central America, the Caribbean ...
Scolopendra alternans is a large species of centipede, and can grow up to 17–19 cm in length. [10] [1] Their colouration is generally brownish or reddish, but it varies greatly depending on location. [10] [1] Some American forms are yellow to orange in colour. [10] Morphological features also vary depending on location. [1]
Ethmostigmus trigonopodus is a species of centipede in the family Scolopendridae. [1] It goes by a number of common names, including the African Giant Centipede [2] and the Tanzanian Blue Ring Centipede. [3] Ethmostigmus trigonopodus from northern parts of Nigeria can reach sexual maturity within one year, which is uncommon in centipedes. [4]