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Symphysodon (colloquially known as discus or discus fish) is a genus of cichlids native to the Amazon river basin in Brazil.Due to their distinctive shape, calm behavior, many bright colors and patterns, and dedicated parenting techniques, discus are popular as freshwater aquarium fish, and their aquaculture in several countries in Asia (notably Thailand) [1] is a major industry.
Currently, five species in this genus are recognized: [3] Scomberoides commersonnianus Lacépède, 1801 (Talang queenfish); Scomberoides lysan (Forsskål, 1775) (doublespotted queenfish)
Scomberoides commersonnianus has a wide distribution in the Indian Ocean and western Pacific Ocean occurring from South Africa and the Red Sea and Persian Gulf in the west, east through Indonesia and Papua New Guinea as far as New Caledonia, north to southern Japan and south to Western Australia and New South Wales.
In 1993, Pangasius was one of two extant genera (along with Helicophagus) in the family Pangasiidae.At this point, it was split into four subgenera. Pangasius (Pangasianodon) included P. gigas and P. hypophthalmus and was diagnosed by the absence of mandibular barbels, the absence of teeth in adults and the presence of a single-lobed swimbladder.
Ombilinichthys yamini is the oldest known gourami. The family Osphronemidae is divided into the following subfamilies and genera: [3] [4] family Osphronemidae van der Hoeven, 1832
Yellow tangs in their natural habitat in Kona, Hawaii The larvae of the yellow tang can drift more than 100 miles and reseed in a distant location. [2] In a zoo aquarium. The yellow tang (Zebrasoma flavescens), also known as the lemon sailfin, yellow sailfin tang or somber surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae which includes the surgeonfishes ...
In Indonesia, snakehead fish, called ikan gabus, are served as the main parts of traditional dishes such as the Betawi people's pucung gabus, and considered to be a delicacy due to their rarity in the wild and in aquaculture, as they are harder to raise than other popular freshwater fish such as catfish and carp.
At least five extinct genera, known only from fossils, are classified as osteoglossids; these date back at least as far as the Late Cretaceous.Other fossils from as far back as the Late Jurassic or Early Cretaceous are widely considered to belong to the arowana superorder Osteoglossomorpha.