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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.
The World Wildlife Fund and the Zoological Society of London jointly issued their "Living Blue Planet Report" on 16 September 2015 which states that a dramatic fall of 74% occurred in worldwide stocks of scombridae fish between 1970 and 2010, and the global overall "population sizes of mammals, birds, reptiles, amphibians and fish fell by half ...
The Erythrinidae include cylindrical fish with blunt heads, and prey on other fish. They can reach lengths up to 90 cm (35 in). Some species can breathe air, enabling them to survive in water low in oxygen, [ 1 ] and even to move over land between ponds.
Additionally 3191 fish species (21% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. [ 3 ]
This list of fishes of the Mediterranean Sea consists of 712 species. Cyclostomata. Lampetra fluviatilis. Myxine glutinosa; ... List of fish of the Black Sea
The lookdown is silvery on both sides with a darker tinge on top. A young fish has several faint vertical bars that fade as it grows. [3] The longest lookdown known was 48.3 cm (19.0 in) long, [5] and the heaviest weighed 2.1 kilograms (4.6 lb). [6]
The ladyfish are a coastal-dwelling fish found throughout the tropical and subtropical regions, occasionally venturing into temperate waters. [3] Spawning takes place at sea, and the fish larvae migrate inland entering brackish waters. Their food is smaller fish and crustaceans . Typically throughout the species, the maximum size is 1 m (3.3 ft ...
These fish are best kept with live or frozen feed and they easily outgrow the tank within eight to ten months. An aquarium with the minimum diameter of 6 by 3.5 feet (1.8 by 1.1 m) and 300 US gallons (1,100 L; 250 imp gal) is suggested as a bare minimum but 400–800 US gallons (1,500–3,000 L; 330–670 imp gal) is the best way to go. [ 9 ]