Cat-eLog Right Arrow Callichthyidae Right Arrow Corydoradinae Right Arrow Corydoras

Jump to next section Cat-eLog Data Sheet
Scientific Name Corydoras trilineatus  Cope, 1872
Common Names Three Line Cory
Leopard Cory, Panzerwels (Germany), Three Stripe Cory
Type Locality Tributary of Río Ambyiacu, Peru.
Synonym(s) Corydoras dubius, Corydoras episcopi
Pronunciation Kory DOOR ass - try lin knee ah tuss
Etymology Cory = helmet, doras = skin. In this case it was incorrectly used to mean armour (cuirasse) instead of skin in allusion to the dual rows of plates that run along the flanks of this genus. From the Latin Tres meaning three and lineatus meaning 'of a line'. Alludes to the two pale and single black line running along the fishes body.
Articles
Article - CotM 2001 April
Jump to next section Species Information
Size 55mm or 2.2" SL. Find near, nearer or same sized spp.
Identification Corydoras are identified by their twin rows of armour plates along the flanks and by having fewer than 10 dorsal fin rays. They are most commonly confused with the other genera in the sub-family, namely Brochis, Scleromystax and Aspidoras.

Probably the most misidentified fish commonly found in aquatic retailers who incorrectly sell it as C. julii. The true C. julii is such a rare import that sheer numbers mean you are unlikely to really encounter this Brazilian fish. C. julii is similar to the more spotted forms of C. trilineatus but has no trace of any reticulated colour patterning at all and is entirely covered with small, distinct spots. It's mid-lateral black stripe is fainter and does not reach as far towards the fishes head as in C. trilineatus. This species was described in 1872 with a couple of paragraphs of text and drawings which do not clearly show coloration. The author notes, "Light straw-colored, brownish above, a yellowish lateral band with rather faint brown margin above and below, and blackish median line. A very black spot on the ends of the soft dorsal rays; tail deeply forked, with five vertical bands; anal spotted. Some longitudinal lines on the side of the face".
Sexing Females grow larger and are more full-bodied, this is best observed from above the fish. Males will typically have more pointed as opposed to more rounded fin tips as they mature.
Jump to next section Habitat Information
Distribution Peruvian amazon: Rio Ampiyacu, Rio Ucayali and the Yarina Cocha. Ecuador: Rio Pastaza.
Amazon, Upper Amazon, Marañón, Ucayali (click on these areas to find other species found there)
Amazon, Upper Amazon, Ampiyacu (click on these areas to find other species found there)
Amazon, Upper Amazon, Marañón, Pastaza (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Purus, Macapá (click on these areas to find other species found there)

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pH 5.8 - 7.2
Temperature 16.0-25.0°C or 60.8-77°F (Show species within this range)
Other Parameters A hardy species that will tolerate most water conditions found within a reasonably maintained aquarium.
Jump to next section Husbandry Information
Feeding Sinking pellets and frozen bloodworm are ideal although all prepared foods that reach the bottom are accepted.
Furniture Sandy or small rounded gravel is required to ensure the fishes barbels are not damaged in the search for food. Some plants should be used to provide shade and a sense of security.
Compatibility This commonly encountered Corydoras is a perfect community tank citizen.
Suggested Tankmates Should be kept in a shoal of at least six individuals. This, along with the presence of some mid water shoaling species, will increase the confidence of the fish in a community tank environment.
Breeding The fish appears to prefer clean, soft water and should be conditioned in such an environment. pH and temperature seem less important but a drop in temperature may induce spawning. The eggs hatch after four to five days. The eggs are very susceptible to fungus and best removed, treated and the fry allow to hatch in a very controlled environment. The young can be raised on newly hatched brineshrimp again vigilance in respect of water quality is paramount.
Breeding Reports There are 14 breeding reports, read them all here.
Jump to next section Further Information
References Proceedings of the Academy of Natural Sciences of Philadelphia v. 23, pg 281, Plate 6 (figs. 2a-2c).
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Last Update 2015 Jul 30 03:32 (species record created: 2001 May 04 00:00)