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Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings. Scientific names for individual species and higher taxa are included in parentheses.
The crevalle jack is a powerful, predatory fish, with extensive studies showing the species consumes a variety of small fish, with invertebrates such as prawns, shrimps, crabs, molluscs and cephalopods also of minor importance. Dietary shifts with both age, location and season have been demonstrated, which led some researchers to postulate the ...
On top of a quicker rate of diffusion in the respiratory system of southern bluefin tuna, there is a significant difference in the efficiency of the oxygen uptake. While other teleost fish typically utilize 27–50% of the oxygen in the water, the tuna's utilization rates have been observed as high as 50-60%.
Largehead hairtail is a major commercial species. With reported landings of more than 1.3 million tonnes in 2009, it was the sixth most important captured fish species. [22] The species is caught throughout much of its range, typically by bottom trawls or beach seines, but also using a wide range of other methods. [1]
Banded archerfish should be kept in an aquarium with a volume of at least 45 to 55 US gallons (170 to 210 L; 37 to 46 imp gal), though a greater volume is preferred. [10] Because of such difficulties in caring for banded archerfish, the species has not yet been successful bred in captivity. [11]
N. pompilius is the largest species in the genus. One form from Indonesia and northern Australia, once called N. repertus, may reach 25.4 cm (10.0 in) in diameter. [24] However, most nautilus species never exceed 20 cm (8 in). Nautilus macromphalus is the smallest species, usually measuring only 16 cm (6 + 1 ⁄ 2 in).
The gharial (Gavialis gangeticus), also known as gavial or fish-eating crocodile, is a crocodilian in the family Gavialidae and among the longest of all living crocodilians. Mature females are 2.6 to 4.5 m (8 ft 6 in to 14 ft 9 in) long, and males 3 to 6 m (9 ft 10 in to 19 ft 8 in).
The guppy (Poecilia reticulata), also known as millionfish or the rainbow fish, [3] is one of the world's most widely distributed tropical fish and one of the most popular freshwater aquarium fish species. It is a member of the family Poeciliidae and, like almost all American members of the family, is live-bearing. [4]