Cory Database

Corydoras blochi

Basic information

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Country

Author(s)

Nijssen, 1971

Author(s)

Nijssen, 1971

Subspecies

-

ID Group

C-number(s)

  • Corydoras sp. C032 (C32)

CW-number(s)

      No CW-number given

Synonyms

      No known synonyms

Local Names

  • Rygplettet Pansermalle (Dansk)
  • Spotback Corydoras (English)

Etymology

-

Type Locality

Moco Creek near Lethem, 3°18'N, 59°46'W, tributary of Río Tacutú, Río Branco system, Essequibo, Guyana.

Drainage system

Collection Sites

  • Moco Creek near Lethem, tributary of Río Tacutú, Río Branco system, Essequibo, Guyana
  • Rupununi River, Guyana

Detailed Map

Approximate map position.

Basic ID

Grey with spots

Sexing

Looking at the fish from above, the female is widest at the center of the body, while the male is widest just behind the pectoral fins.
When they are well fed or in breeding condition the female is always plumper, also seen from the side.

Males are normally smaller and have longer pectoral fins than females. Their pelvic (ventral) fins are more pointed.
Females are normally larger, have rounded pectoral fin. Their pelvic (ventral) fins are rounded to form a pouch for the eggs when spawning.

Standard length

Male

5 cm / 2 in

Female

5 cm / 2 in

Husbandry / Keeping

Compatibility

Territorial

Group Size

  • 1 Male+2 Females
  • 1 Male+3 Females

Diet

Omnivore

Ease of Keeping

Demanding

Approx. max. Age

5 years

Spawning

See explanations

See Spawning logs:
      No items found

Has been Spawned

Yes

Bred by Me

Not yet!

Difficulty

Relatively Hard

Egg Size

Not known

Comments

Recommended Tank Parameters

Min. tank size

100 liters / 26 gal

Min.  tank length

75 cm / 30 in

Tank Setup

  • Leafy Plants
  • Mosses
  • Sponge Filter
  • Power head: Low flow
  • Power head: High flow
  • Caves / Hiding places
  • Roots
  • Dried Leaves

Recommended water parameters

Temperature Range

22 - 26°C / 71.6 - 79°F

pH Range

5 - 7.5

TDS Range

20 - 500 ppm

kH Range

20 - 300 ppm

dH Range

40 - 500 ppm

Water Parameters

      No items found

Other recources

Videos

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Author

Kristian Adolfsson

Cory nerd that has had eggs, and surviving fry of most, from over 70 Cory species, so far. Have also bred Cichlids, Killies, Rainbowfish, other Catfish and more. Read more on our About Page.