Discus fish

Discus fish

৳ 2,500.00

  • মাছের মুল্য প্রতি পিস হিসেবে দেওয়া।
  • এই মাছটি সর্বনিম্ন অর্ডার করতে হবে ২ পেয়ার।
  • ডিসকাস মাছের সাইজ ৩ ইঞ্চি থেকে ৪ ইঞ্চি
  • মাছের মুল্য আমরা ডেলিভারি দেওয়ার সময় গ্রহণ করি।
  • মাছে কোন সমস্যা থাকলে ডেলিভারি ম্যান কে তা ফেরত দিন। কারন পরবর্তীতে তা ফেরত নেয়া কিংবা টাকা ফেরত দেওয়া হবেনা।
  • অর্ডার করতে সমস্যা হলে কিংবা অর্ডার করার পর ফোন করুনঃ ০১৬৭৫৭৭১৩৭৬
  • মাছের মুল্য পরিবর্তনশীল। যে কোন সময়ে মাছের দাম কম অথবা বেশী হতে পারে।
  • আপনি যে কোন সময় অর্ডার করতে পারবেন। আমাদের ডেলিভারি দিতে  সর্বোচ্চ ৭২ ঘণ্টা সময় লাগতে পারে। ডেলিভারির সময় সকাল ৮ টা থেকে রাত ১০ টা।


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Discus fish


Discus fish

Discus fish, Symphysodon, colloquially known as discus, is a genus of cichlids native to the Amazon river basin in South America. Due to their distinctive shape and bright colors, discus are popular as freshwater aquarium fish, and their aquaculture in several countries in Asia is a major industry.[1][2][3][4] They are sometimes referred to as pompadour fish.

Discus fish are fish from the genus Symphysodon, which currently includes the species S. aequifasciatus, S. discus and S. tarzoo, based on a taxonomic review published in 2006.[7][9] A review published in 2007 largely came to the same result, but differed in nomenclature, as the species called S. tarzoo in the 2006 study was called S. aequifasciatus in the 2007 study, and S. aequifasciatus in 2006 was S. haraldi in 2007.[10][11] Further arguments have been made that S. tarzoo was not described in accordance with ICZN rules and thus should be considered invalid and replaced with S. haraldi,[12] currently considered a synonym of S. aequifasciatus by FishBase.

Other (sub)species have been proposed, but morphometric data (unlike in Pterophyllum, the freshwater angelfish) varies as much between individuals from one location as across the whole range of all discus fish species.[citation needed] S. tarzoo was described in 1959 and applies to the red-spotted western population. S. aequifasciatus and S. discus, meanwhile, seem to hybridise frequently in the wild or have diverged recently, as they lack mitochondrial DNA lineage sorting but differ in color pattern and have dissimilar chromosomal translocation patterns. S. discus occurs mainly in the Rio Negro. Whether S. haraldi is indeed distinct from S. aequifasciatus remains to be determined; if valid it is widespread but it might just be a color morph.[citation needed].

Discus fish, A molecular study in 2011 found five main groups, which generally matched previously recognized phenotypes. They recognized them as evolutionarily significant units and species.[13] Their assigning of scientific names to species differed to some extent from that used by earlier authors: Heckel (S. discus; Rio Negro, upper UatumãNhamundáTrombetas and Abacaxis), green (S. tarzoo; West Amazon drainages upriver from the Purus arch), blue (S. sp. 1; central Amazon from Purus arch to the Meeting of Waters), brown (S. aequifasciatus; East Amazon downriver from Meeting of Waters), Xingu group (S. sp. 2; Xingu and Tocantins).[13] The Xingu group currently lacks a scientific name, but it is possible that the correct name for the blue is S. haraldi.[13] This taxonomy with four described valid species, S. discus, S. tarzoo, S. haraldi and S. aequifasciatus, has been adopted by the Catalog of Fishes.[14] Some hybridisation occurs (or has occurred) between the brown discus and neighbouring forms, but overall they maintain their separate evolutionary trajectories.[13]

In addition to the wild discus, several captive variants achieved by selective breeding exist. Based on RAPD sequences, the captive variants popularly known as turquoise, pigeon, ghost, cobalt and solid red are derived from wild green, blue and brown discus (not Heckel discus).

Like cichlids from the genus Pterophyllum (angelfish), all Symphysodon species have a laterally compressed body shape. In contrast to Pterophyllum, however, extended finnage is absent giving Symphysodon a more rounded shape. It is this body shape from which their common name, “discus”, is derived. The sides of the fish are frequently patterned in shades of green, red, brown, and blue. Some of the more brightly marked variants are the result of selective breeding by aquarists and do not exist in the wild.[15][16] Discus typically reach up to 12.3–15.2 cm (4.8–6.0 in) in length,[8][17] but captives have been claimed to reach 23 cm (9 in).[18] Adults generally weigh 150–250 g (5.3–8.8 oz).[16] There is no clear sexual dimorphism for this fish, but males may reach a larger size than females.[16] In breeding form varieties, solid red discus (red melon, red cover) females are generally redder than males.

Symphysodon are highly social, typically occurring in groups that may number many dozens of individuals, which is unique among cichlids of the Americas.[17] When breeding, the pair moves away from the group, possibly to reduce the risk of cannibalism of the young.[17] As for most cichlids, brood care is highly developed with both the parents caring for the young. Additionally, adult discus produce a secretionthrough their skin, which the larvae live off during their first four weeks.[19] During the first two weeks, the parents stay near their young allowing them to feed easily. In the last two they swim away, resulting in the young being gradually “weaned off” and starting to fend for themselves.[19] Although rare in fish, more than 30 species of cichlids are known to feed their young with skin secretion to various extent,[19]including Pseudetroplus and Uaru species.[20] Sexual maturity is reached in one year.[17]

Symphysodon primarily feed on algae, other plant material and detritus (periphyton), but also eat small invertebrates. Invertebrates can make up 38% of the stomach content in wild S. aequifasciatus during the high-water season, but this decreases during the low-water season and year-round it is generally lower in the other species.[17] Unlike more predatory cichlids, Symphysodon have relatively long intestines typical of a herbivore or omnivore.[17]


Discus fish

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