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Pterygoplichthys can be differentiated from most other loricariids due to their large dorsal fins with 9 or more (usually 10) dorsal fin rays, which gives them their common name "sailfin catfish". [7] These fish have rows of armour plating covering the body; the abdomen is almost completely covered in small plates. [5]
The species is native to the Amazon River Basin of Brazil and Peru, preferring pH ranges of 7.0–7.5.It is a facultative air breather; although normally a bottom-dwelling fish, it has the ability to breathe air from the surface of the water during dry periods or when dissolved oxygen is too low.
A large variety of common names is used to describe H. plecostomus, where plecostomus and the shortened "pleco" are interchangeable in all common names. The names include: algae sucker/eater; pez diablo (devil fish) [27] [28] pleco; water old lady (vieja del agua) janitor fish [3] municipal fish – 'ikan bandaraya' in Malay; suckermouth ...
Sailfin catfish, Janitor fish can refer to any of: Pterygoplichthys multiradiatus - the orinoco sailfin catfish; Pterygoplichthys pardalis - the amazon sailfin catfish; Pterygoplichthys anisitsi - the snow king sailfin catfish
The Pasig River has been infested with invasive species, notably the water hyacinth and the janitor fish. Water hyacinth, introduced in the Philippines around 1912 as an ornamental plant, has been thrown into the Pasig River; this led the profusely-growing plants to thrive in the river as well as Laguna de Bay due to shifting tides. [34]
Other species of fish, called mimics, imitate the behavior and phenotype of cleaner fish to gain access to client fish tissue. The specialized feeding behaviour of cleaner fish has become a valuable resource in salmon aquaculture in Atlantic Canada , Scotland , Iceland and Norway [ 10 ] for prevention of sea lice outbreaks [ 2 ] which benefits ...
A urinalysis test confirmed urine was in her water, according to a complaint filed in Harris County on Oct. 14. The janitor was later caught on video twice while putting his penis in her water bottle.
Fish and waterfowl feces return waste to the water, and their feeding habits may increase turbidity. Cyanobacteria have the disadvantageous ability to add nutrients from the air to the water being purified and to generate toxins in some cases. The choice of organism depends on the local climate different species and other factors. Indigenous ...