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Close-up of fish melanophores. Fish coloration is produced through specialized cells called chromatophores. The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)". [5]
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 ...
Leucism (/ ˈluːsɪzəm, - kɪz -/) [ 2 ][ 3 ][ 4 ] is a wide variety of conditions that result in partial loss of pigmentation in an animal —causing white, pale, or patchy coloration of the skin, hair, feathers, scales, or cuticles, but not the eyes. [ 4 ] It is occasionally spelled leukism. Some genetic conditions that result in a ...
Pterygoplichthys multiradiatus, often sold as a common pleco, is an aquarium fish often purchased as an algae eater. P. gibbiceps has been bred commercially in fish farms in Florida and Malaysia for the aquarium trade. P. multiradiatus and P. pardalis are both known as common plecos and are widely sold as algae eaters.
For example, catfish have chemoreceptors across their entire bodies, which means they "taste" anything they touch and "smell" any chemicals in the water. "In catfish, gustation plays a primary role in the orientation and location of food". [75] Cartilaginous fish (sharks, stingrays and chimaeras) use magnetoception.
Steindachner, 1882. Synonyms. Tatia perugiae (Steindachner, 1882) Centromochlus perugiae is a species of benthopelagic fish, a member of the Auchenipteridae (driftwood catfish) family. They are widely known as honeycomb catfish or oil catfish because of their striking skin pattern. Honeycomb catfish are under 3 inches (76 mm) fully grown.
Pterygoplichthys anisitsi [1] [2] also known as the Paraná sailfin catfish, southern sailfin catfish, is a species of catfish in the family Loricariidae. [3] Its natural range is the middle Paraná and Uruguay River basins of south-central South America, [4] but it has been introduced to North America and South Asia, probably via the pet trade.
Synodontis membranaceus, known as the moustache catfish, [2] is a species of upside-down catfish that is native to northern Africa. [3] It was first described by French naturalist Geoffroy Saint-Hilaire in 1809 as Pimelodus membranaceus, from specimens obtained in the Nile River. [2] The species name membranaceus refers to membranes present on ...