Cat-eLog Right Arrow Callichthyidae Right Arrow Corydoradinae Right Arrow Corydoras(ln4)

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Scientific Name Corydoras(ln4) hastatus  Eigenmann & Eigenmann, 1888
Common Names Tail Spot Pygmy Cory
Diamond Tail Cory, Dværgpansermalle (Denmark), Dwarf Cory, Panzerwels/Corydoras - Catfish (Germany)
Type Locality Villa Bella (= Parintins, 2°38'S, 56°45'W), Amazonas, Brazil.
Pronunciation kor ee doh rass (lineage four). - hass TATT uss
Etymology The specific epithet is from the latin hastatus meaning spear-shaped.
Down arrow Species Information
Size 24mm or 0.9" SL. Find near, nearer or same sized spp.
Identification One of three species of pygmy cory (C. habrosus, hastatus and pygmeaus respectively). This species has a defined tail spot at the caudul penducle. Faint lines along the lateral line of a beige/grey colour run to the gill cover. The outer eye is usually a blackened colour making the actual eye itself look larger.
The only pygmy species with the black rhombus shape at the base of the tail and without a horizontal stripe or dashes along the flanks.
Sexing The traditional ''birds eye'' view over the cory is an easy way of differentiating sexes. After feeding well and breeding condition is reached, the plumpness of the females is often more noticeable than on other larger cory species due to the overall smaller size of these fish.
General Remarks First collected in 1865 by Professor Louis Agassiz, a famous zoologist.
Down arrow Habitat Information
Distribution South America: Amazon and Paraguay River basins. Reported from the upper Paraña.
Amazon, Middle Amazon (Solimoes), Madeira, Mamoré, Guaporé (Iténez) (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 6.8 - 7.6
Temperature 22.0-26.0°C or 71.6-78.8°F (Show species within this range)
Other Parameters No current is preferred.
Down arrow Husbandry Information
Feeding Small foods such as crushed flake and micro pellets are suggested for normal care. Daphnia or similar smaller live foods are required to bring these fish into condition.
Furniture Sandy substrate is best, the small size means that normal gravel can be a bit large for them to sift through. One species of Corydoras for which plant cover is strongly recommended.
Compatibility A very lively species of cory. Best kept in shoals of at least 6 to gain the benefits of the species. Active in the mid-water a lot of the time. The fish are often too small to cause hassle to other slow swimming species.
Suggested Tankmates Despite the typical spiked fins, make sure that no other fish can fit one in its mouth! Such a small fish as this Cory can become a meal all too quickly, best kept with smaller tetras such as neons, hatchetfish and pencilfish.
Breeding The spawning usually follows the typical 'T' position but has on occaision been reported to occur in mid water. A small amount of eggs of about 1mm are laid singly.
Breeding Reports There are 7 breeding reports, read them all here.
Down arrow Further Information
Reference Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2), pp 166.
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Last Update 2020 Oct 22 04:41 (species record created: 2001 Apr 30 00:00)