Cory Database

Corydoras nijsseni

Lineage 5 - elegans-type (ln5)

Brazil

Basic information

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See explanations of terms

Country

Brazil

Author(s)

Sands, 1989

Author(s)

Sands, 1989

Subspecies

-

ID Group

adolfoi Group

C-number(s)

  • Corydoras sp. C111

CW-number(s)

      No CW-number given

Synonyms

      No known synonyms

Local Names

  • Guldhovedpansermalle (Dansk)
  • Nijssen's Cory (English)

Etymology

Named for Dr Han Nijssen.

Type Locality

Tributary of the Rio Negro, Brazil.

Drainage system

Rio Negro

Collection Sites

See explanations

  • Tributary of the Rio Negro, Brazil.

Detailed Map

Approximate map position.

Basic ID

Sand-colored / pinkish with black mask and orange patch above the eyes and in-front of the dorsal fin. An "elegans type" cory resembling Corydoras duplicareus/adolfoi.

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

See explanations

Male

4 cm / 1.6 in

Female

4 cm / 1.6 in

Husbandry / Keeping

See explanations

Compatibility

Peaceful

Group Size

  • Small (4-6)
  • Medium (7-10)

Diet

Omnivore

Ease of Keeping

Easy

Approx. max. Age

4 years

Spawning

See explanations

See Spawning logs:

Has been Spawned

Yes

Bred by Me

Hatching eggs

Difficulty

Relatively Hard

Egg Size

1.2 mm / 0.05 in

Comments

Recommended Tank Parameters

See explanations

Min. tank size

45 liters / 12 gal

Min.  tank length

50 cm / 20 in

Tank Setup

  • Mosses
  • Sponge Filter
  • Power head: High flow
  • Caves / Hiding places
  • Roots

Recommended water parameters

See explanations

Temperature Range

22 - 27°C / 71.6 - 81°F

pH Range

5 - 7

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.