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The specific epithet melanistius means black sail, referring to the dorsal fin. The fish will grow in length up to 5.1 centimetres (2.0 inches). It lives in a tropical climate in water with pH 6.0 - 8.0, a water hardness of 2 – 25 dGH , and a temperature range of 22–26 °C (72–79 °F).
The blue corydoras or Natterer's catfish (Corydoras nattereri) is a tropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae. It originates in coastal rivers in South America , and is found in the Brazil from Espírito Santo to Paraná .
The 18 specimens turned out to be a new species of long-snouted Corydoras: Corydoras caramater, researchers said. The new species was distinguished in part by its “mask-like blotch ...
Corydoras is a genus of the family Callichthyidae of order Siluriformes (Catfish). Wikimedia Commons has media related to Corydoras . Pages in category "Corydoras"
Corydoras colossus was distinguished from other types of armored catfish by “mosaic-like” platelets covering the front of its body, a “large” dark brown or black “mask-like” patch on ...
Corydoras is a genus of freshwater catfish in the family Callichthyidae and subfamily Corydoradinae. The species usually have more restricted areas of endemism than other callichthyids, but the area of distribution of the entire genus almost equals the area of distribution of the family, except for Panama where Corydoras is not present. [1]
Corydoras nattereri Steindachner, 1877 (Blue corydoras) - Synonyms: C. juquiaae & C. nattereri triseriatus; Corydoras negro Knaack, 2004; Corydoras nijsseni Sands, 1989 (Nijssen's corydoras) - Synonym: C. elegans nijsseni; Corydoras noelkempffi Knaack, 2004; Corydoras oiapoquensis Nijssen, 1972; Corydoras ornatus Nijssen & Isbrücker, 1976
Corydoras imitator is a small species of tropical freshwater armoured catfish native to the Upper Amazon, Solimões, and Rio Negro basins in South America. It was first described by the Dutch ichthyologists Han Nijssen and Isaäc J. H. Isbrücker in 1983, and is frequently seen in the aquarium trade .