Search results
Results from the WOW.Com Content Network
Catfish (or catfishes; order Siluriformes / s ɪ ˈ lj ʊər ɪ f ɔːr m iː z / or Nematognathi) are a diverse group of ray-finned fish.Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, the Mekong giant catfish from Southeast Asia, the wels catfish of Eurasia, and the piraíba of South America, to ...
Amur catfish eat aquatic insects, crustaceans, and smaller fishes in their freshwater ecosystem. With the diverse diet selections, S. asotus is able to expand its mouth in order to accommodate larger prey. [8] S. asotus are nocturnal creatures which affects their feeding times. The fishes feed during the night and go back to their caves during ...
Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals. Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night.
Electric catfish are found in tropical Africa and the Nile River. [3] Electric catfish are usually nocturnal and carnivorous. [2] Some species feed primarily on other fish, incapacitating their prey with electric discharges, [2] but others are generalist bottom foragers, feeding on things like invertebrates, fish eggs, and detritus. [4]
This is the notion that animals need a more or less constant amount of sleep every day, so that if a subject is deprived of sleep one day, the amount of sleep tends to "rebound" (increase) the next few days. This has been observed in zebrafish. At night, zebrafish appear to float in the water column, either horizontally or with the head ...
Acanthodoras cataphractus more commonly Spiny catfish, is a species of thorny catfish found in rivers of Bolivia, Brazil, ... They are nocturnal animals active during ...
Like virtually all catfish, it is nocturnal, preferring to feed at night, although young feed during the day. It generally does not get as large as the channel or blue catfish, with average adult weights are in the 1-to-2-pound (0.45 to 0.91 kg) range, and almost never as large as 4 pounds (1.8 kg). It has a typical length of 6–14 inches (15 ...
Driftwood catfishes are nocturnal. Some of the smaller species are known to hide in logs and crevices during the day, and come out to feed at night. Some larger species can consume fruits and insects, and are probably omnivorous.