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Hoplias aimara, also known as anjumara, traíra, trahira, manjuma, anjoemara and giant wolf fish, [1] is a species of freshwater fish found in the rivers of South America. [2] In Amazonia , the native populations are concerned by high levels of mercury contamination which have been linked to the consumption of contaminated fish.
Junglefowl are the only four living species of bird from the genus Gallus in the bird order Galliformes, and occur in parts of South and Southeast Asia.One of the species in this genus, the red junglefowl, is of historical importance as the direct ancestor of the domestic chicken, although the grey junglefowl, Sri Lankan junglefowl and green junglefowl are likely to have also been involved. [2]
The species has a wide salinity tolerance, as evident from the ranges from which juvenile and subadult fish in South African estuaries have been recorded; 0.5 to 38 parts per thousand (ppt), [35] with other studies also showing tolerance levels of less than 1 ppt. [28] In these estuaries, the giant trevally is known from both highly turbid ...
This species, which can range up to 0.45 m (1.5 ft) in length and weigh 1.5 kg (3.3 lb), is sometimes commercially fished. [77] [90] Characins (Characiformes) The largest species is the African freshwater fish, the giant tigerfish (Hydrocynus goliath). The top size of this fish is 1.5 m (4.9 ft) and 50 kg (110 lb).
The diet of the arapaima consists of fish, crustaceans, fruits, seeds, insects, and small land animals that walk near the shore. [18] The fish is an air breather, using its labyrinth organ, which is rich in blood vessels and opens into the fish's mouth, [19] an advantage in oxygen-deprived water that is often found in the Amazon River.
A recent study in the Journal of Great Lakes Research shed light on the growing problem of goldfish proliferating outside of the proverbial fish bowl. A real fish tail. Giant goldfish swimming in ...
The red junglefowl was the primary species to give rise to today's many breeds of domesticated chicken (G. g. domesticus); additionally, the related grey junglefowl (G. sonneratii), Sri Lankan junglefowl (G. lafayettii) and the Javanese green junglefowl (G. varius) have also contributed genetic material to the gene pool of the modern chicken.
Giant goldfish are appearing more often in the Great Lakes and freshwater lakes.