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Species profile

Yellow Marbled Synodontis

Synodontis schoutedeni

Common names: Yellow Marbled Synodontis

Recognized speciesCatfish

Adult size

Up to 13.8 cm

Up to 13.8 cm

Countries of origin

  • See all stock from Democratic Republic of the Congo
  • See all stock from Republic of the Congo

Good fit for your tank?

Good fit for

  • A keeper who has researched this fish and can match its needs

Think carefully if

  • You keep shrimp you want to protect

An attractive Congo catfish with a yellow body and dark marbling, which often grows stronger with age. Keep alone or in a small group in 81 litres or more.

Appearance and Identification

An attractive Congo catfish with a yellow body and dark marbling, which often grows stronger with age. It reaches about 14 cm and is usually peaceful.

Check the scientific name when buying, as common names vary between sellers and countries.

Sexes can be hard to tell apart, although females are often rounder.

Tank Requirements

Suggested filter
About 320–410 litres an hour
Suggested heater
About 75–125 W for this tank
Minimum tank volume
81 litres
Minimum tank length
90 cm
Minimum group size
1
Recommended group size
1
Activity level
Low
Flow preference
Low to moderate
Planting preference
Moderately planted
Hiding places
Yes
Lid recommended
Yes
Jumping risk
Moderate

Provide caves, wood and shade, because many catfish are active mostly at night.

Behaviour and Tankmates

Usually most active at dusk and after dark, and it hides during the day.

Social needs vary, so see the notes for this species.

Can defend a favourite hiding place.

Check adult size before choosing tankmates, because a catfish may eat anything that fits in its mouth at night. It is likely to eat shrimp.

Check tankmates for this species

Water Parameters

Temperature
22–27 °C
pH
6–7.5
GH
3–15
Stability importance
Important

Fairly tolerant of different water, if it is clean and stable.

Parameter caveat
Keep up regular water changes, and acclimatise new fish slowly.

Feeding

Diet types
Omnivore
Feeding frequency
Daily
Preferred foods
  • Sinking pellets or wafersFeed after lights-out if faster fish take everything first.
  • Frozen bloodworm and brine shrimpOffer several times a week.
  • Blanched vegetablesCourgette or cucumber add variety for fish that graze.

Feed sinking foods, ideally after lights-out, so that it gets its share.

Feed small amounts, and remove anything left after a few minutes.

Breeding

Breeding type
Egg Scatterer
Breeding difficulty
Moderate
Parental care
None
Baby foods
  • InfusoriaNeeded for the first days, because most fry are very small.
  • Newly hatched brine shrimpIntroduce as soon as the fry can take it.

An egg scatterer with no parental care. Adults eat eggs and fry, so use a separate tank with fine plants, moss or mesh on the bottom, and remove the adults after spawning. The fry need very small foods at first.

Habitat and Origin

Geographic origin
Africa, Democratic Republic of the Congo, Republic of the Congo
Natural habitat
River
Aquarium contexts
Planted Aquarium
Audience level
Beginner

Classification

Profile type
Recognized species
Genus
Synodontis
Family
Mochokidae
Species group
Catfish, Fish, Other Catfish

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