Cat-eLog Right Arrow Callichthyidae Right Arrow Corydoradinae Right Arrow Corydoras(ln1)

Jump to next section Cat-eLog Data Sheet
Scientific Name Corydoras(ln1) blochi  Nijssen, 1971
Common Names C032, Spotback Corydoras
Type Locality Moco Creek near Lethem, 3°18'N, 59°46'W, tributary of Río Tacutú, Río Branco system, Essequibo, Guyana.
Pronunciation Kory DOOR ass. - BLOCK ee
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. Named to honour Dr. Marcus E. Bloch.
Jump to next section Species Information
Size 60mm or 2.4" 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.
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 South America: Venezuela, Guyana, and northern Brazil.
Guyana Waters, Coastal Rivers of Guyanas, Essequibo, Rupununi (click on these areas to find other species found there)

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pH 6.0 - 8.0
Temperature 22.0-26.0°C or 71.6-78.8°F (Show species within this range)
Other Parameters dH 2-25.
Jump to next section Husbandry Information
Feeding Will accept a wide range of commercial foods including tablets, granules and flakes. Live (or frozen) foods such as bloodworm, white worm, grindal worm, Daphnia and tubifex are readily accepted.
Furniture Shade provided by overhanging rock work, arching bogwood, tall or floating plants are all that is required. Ideally substrate should be sand, but rounded gravel is an imperfect alternative. Avoid keeping over rough edged (chipped) gravel, this will increase this risk of damage the fishes barbels when it tries to dig.
Compatibility A peaceful, shoaling, community fish.
Breeding Unreported.
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference Beaufortia v. 19 (no. 250), pp 92, Figs. 2-6.
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Last Update 2019 Oct 16 12:53 (species record created: 2001 Apr 30 00:00)