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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]
Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]
A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.
The orangefin labeo (Labeo calbasu) is a fish of the carp family Cyprinidae, found commonly in rivers and freshwater lakes in and around South Asia and South-East Asia. Native to Bangladesh and India. Orangefin labeo (Labeo calbasu), West Bengal, India
Chondrichthyes (/ k ɒ n ˈ d r ɪ k θ i iː z /; from Ancient Greek χόνδρος (khóndros) 'cartilage' and ἰχθύς (ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage.
As of May 2016, the official all tackle world record recognised by the International Game Fish Association (IGFA) stands at 2.9 kg (6 lb 6 oz) for a Finnish fish caught September 4, 2010. [9] In January 2010 a perch with a weight of 3.75 kg (8 lb 4 oz) was caught in the river Meuse , Netherlands. [ 10 ]
The prickly leather-jacket is a medium-sized fish which grows up to 31 cm (12 in). [2] The body is highly compressed laterally, stocky, the mouth is terminal; the head size is big proportionally to the body. Dermal appendages are visible mainly on the body's margin and also on the sides. They are part of the fish's camouflage system.
Mangrove red snapper is a popular and important commercial and recreational fish throughout its range, and considered to be an excellent food fish, [6] which allows it to command a relatively high market price. [10] For fishermen, the telltale sign of a hooked mangrove red snapper is the explosive run for cover once the bait (or lure) is taken.