Marbled Otocinclus (Hisonotus paulinus)

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Marbled Otocinclus

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Marbled Oto

Hisonotus paulinus

38 Litres (10 US G.)

3.6-4.1cm (1.4-1.6 ")




6.5 - 7.5

24 -22 °C (75.2-71.6°F)

8-20 °d

2:3 M:F

Pellet Foods
Other (See article)

2-5 years



Additional names

Marbled Otocinclus

Additional scientific names

Otocinclus paulinus

Sexing[edit | edit source]

Females will be broader when viewed from above.

Tank compatibility[edit | edit source]

Peaceful algae-eater, will flourish in a well planted tank with algae present, peaceful tank mates and hiding places.

Diet[edit | edit source]

Keep in a tank well stocked with algae for them to graze on. Will also eat catfish discs and blanched vegetables.

Feeding regime[edit | edit source]

Twice a day if necessary, will graze all day.

Environment specifics[edit | edit source]

A spacious well planted mature tank is best. Prefers rounded gravel to sand. No strong currents.

Behaviour[edit | edit source]

Peaceful fish that will mind it's own business.

Identification[edit | edit source]

Fairly nondescript little fish. Elongated and mottled dark grey in colour. Similar to Otocinclus in shape.

Pictures[edit | edit source]

External links[edit | edit source]