Knife Fish
They are popular in aquaria the fish is all black except for two white rings on its tail and a white blaze on its nose which.
Knife fish. The knifefish is an autonomous unmanned underwater vehicle uuv under development by general dynamics mission systems and bluefin robotics for the united states navy it is a propeller driven minesweeping robot designed to replace the navy s trained dolphins and sea lions after the retirement of the 50 year old marine mammal program in 2017. They are placed in three families. Family gymnotidae banded knifefishes and the electric eel.
Knifefishes comprise at most about 50 species of central and south american fishes found in quiet lakes and lagoons. Knife fish is a small tribe of freshwater fish found in the tropical regions of africa and southeast asia this fish can be identified from the anal fin which blends with the tail fin. Family hypopomidae bluntnose knifefishes.
Black ghost knife fish are omnivorous and will readily consume a variety of live foods such as meat and worms or flaked foods. Knifefish may refer to several knife shaped fishes. The knifefish was first unveiled at a navy.
These are the grey knifefish bathystethus cultratus the blue knifefish labracoglossa nitida collared knifefish or finscale razorfish cymolutes torquatus and the jack knifefish equetus lanceolatus. It is also classified as a large fish because it grows to reach 150 cm. The black ghost knifefish apteronotus albifrons is a tropical fish belonging to the ghost knifefish family apteronotidae they originate in freshwater habitats in south america where ranging from venezuela to the paraguay paraná river including the amazon basin.
Family apteronotidae ghost knifefishes. The anus is located on the underside of the head. These are not true knife fish but are actually in the order perciforms which are the perches or perch like fishes.
Family rhamphichthyidae sand knifefishes. Other common names which it is known by include the apteronotid eel and the black knife. The neotropical or weakly electric knifefishes order gymnotiformes containing five families.
An interesting story about this fish is one which is told by south american tribes. Clown knife fish or clown featherback chitala ornata is a large fish with an unusual body shape. The fish is kept in home aquaria due to its uncommon appearance.
However keeping this fish has some peculiarities about which you will find out from our article. Knifefish any of certain new world fishes of the suborder gymnotoidei order gymnotiformes. Since they are nocturnal these knife fish feed on their food during the night but can be trained to eat at the same time as the rest of the aquarium.
Family sternopygidae glass and rat tail knifefishes. But today this fish is known as apteronotus albifrons. These fish possess a weak electrical organ at the caudal peduncle used for locating food in water with poor visibility.
It is believed among the tribes that live in the amazonian jungle that the souls of the dead inhabit these fish. Gymnotidae often called gymnotid eels. Based on their taxonomy knife fish belong to the notoperidae family which is a group of.
