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Kerala University of Fisheries and Ocean Studies, https://doi.org/10.1038/s41598-020-73129-6, You may republish Mongabay content in your publication at no cost. Salmoniformes or the Salmons is a small group of fishes with large cultural and economic value. Aulopiformes is an order of marine ray-finned fishes sometimes called grinners or lizard fishes. Though the team went on to classify the fish as a new species, under a new genus (Aenigmachanna), they retained it in the only existing family of snakeheads (Channidae). There are about 800 described species in this order. by Aathira Perinchery on 7 October 2020 . Enter letters or a clue and click 'Find Anagrams' to find anagrams. After all, scientists discovered it only last year. “It is in some ways a freshwater coelacanth. The order is distinct by their common structure of their gill arches. They have 4 pairs of gills which are covered by an operculum on each side. The majority being predators. In the United States, accidentally-introduced four-foot-long snakeheads have invaded ecosystems and now bear the ignominious status of “injurious wildlife”. It is also the sister order of the Beryciformes. The subterranean Aenigmachanna gollum, a new genus and species of snakehead (Teleostei: Channidae) from Kerala, South India. To put this in perspective: only after the Indian plate collided with Eurasia around 55 million years later were the Himalayas formed. There are about 800 described species in this order. Perciformes refer to a perch-like appearance. Their subterranean natures may have helped, says Pethiyagoda. Myctophiformes is an order of ray-finned species consisting of two families: Myctophidae (lanternfishes) and Neoscopelidae (blackchins). The Perciformes (sometimes called the Percomorphi or Acanthopteri) is a large order of ray-finned fishes containing about 40% of all bony fishes. Some species of similar shape (like electric and spiny eels) do not belong to the Anguilliformes order. There are about 15 described species of this order. The most defining characteristic of this order is their reserve sexual system. PLoS ONE 12, e0184017. What it is likely to be, is threatened. Beryciformes is an order of ray-finned fishes. 8. The species often have large eyes and mouths. The Crossword Solver finds answers to American-style crosswords, British-style crosswords, general knowledge crosswords and cryptic crossword puzzles. It also signals that new light needs to be shone on the other fishes of Kerala that seem to live in aquifers, such as Horaglanis and Kryptoglanis. However, it spirals internally to create a larger surface area that optimizes nutrient absorption. The species can be found all over the world. By plotting all these morphological differences (and similarities) between the 15 fish species, the team concluded that the Gollum snakehead – whose many features are far more ‘primitive’ than other snakeheads – must have split from other snakeheads long before the Asian and African species that we see today came into being. The scientific name is from the Greek ophis meaning "snake", and refers to their eel-like appearance although they are not related to the true eels. Almost nothing is known of the origin of these species or their ecology.”, The recognition of Aenigmachannidae as a new family of bony fishes comes six years after the description of Kryptoglanidae, another unique family of freshwater fish endemic to Kerala, said Raghavan. It flaunted some odd features: a uniform, cinnamon brown and long, eel-like body, unlike other snakeheads. The name “Osmeriformes” means “smelt-shaped” and, thus, refers to the body-shape of the fishes. 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