Freshwater fish group

Catfish & loaches

Bottom-oriented fish with different needs for floor area, smooth substrate, wood and shelter.

18 profiles in this category. Each card uses a small directory thumbnail; open a profile for the larger reference image and full care notes.

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18 profiles shown

Catfish & loaches fish profiles

Bronze corydoras (Corydoras aeneus) in an aquarium

Catfish & loaches

Bronze corydoras

Corydoras aeneus

6.5 cm adult20 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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Pygmy corydoras (Corydoras pygmaeus) in an aquarium

Catfish & loaches

Pygmy corydoras

Corydoras pygmaeus

2.5 cm adult10 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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Bristlenose pleco (Ancistrus sp.) in an aquarium

Catfish & loaches

Bristlenose pleco

Ancistrus sp.

12 cm adult29 gal minimum

Generally peaceful in a suitable community. Heavy waste producer; needs driftwood and vegetables.

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Otocinclus (Otocinclus spp.) in an aquarium

Catfish & loaches

Otocinclus

Otocinclus spp.

4 cm adult20 gal minimum

Generally peaceful in a suitable community. Add only to mature tanks with biofilm and algae.

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Kuhli loach (Pangio kuhlii) in an aquarium

Catfish & loaches

Kuhli loach

Pangio kuhlii

9 cm adult20 gal minimum

Generally peaceful in a suitable community. Eel-shaped and nocturnal; needs soft substrate.

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Clown loach (Chromobotia macracanthus) in an aquarium

Catfish & loaches

Clown loach

Chromobotia macracanthus

25 cm adult125 gal minimum

Predatory toward very small tank mates. Grows slowly but very large; a long-term big-tank fish.

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Siamese algae eater (Crossocheilus oblongus) in an aquarium

Catfish & loaches

Siamese algae eater

Crossocheilus oblongus

14 cm adult55 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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Sterbai corydoras (Corydoras sterbai) in an aquarium

Catfish & loaches

Sterbai corydoras

Corydoras sterbai

6.5 cm adult29 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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Julii corydoras (Corydoras julii) in an aquarium

Catfish & loaches

Julii corydoras

Corydoras julii

5 cm adult20 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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Peppered corydoras (Corydoras paleatus) in an aquarium

Catfish & loaches

Peppered corydoras

Corydoras paleatus

6.5 cm adult20 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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Hillstream loach (Sewellia lineolata) in an aquarium

Catfish & loaches

Hillstream loach

Sewellia lineolata

6 cm adult20 gal minimum

Generally peaceful in a suitable community. Needs high oxygen, strong flow and mature surfaces with biofilm.

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Yo-yo loach (Botia almorhae) in an aquarium

Catfish & loaches

Yo-yo loach

Botia almorhae

15 cm adult55 gal minimum

Generally peaceful in a suitable community. Active and social; provide caves and a long tank.

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Zebra loach (Botia striata) in an aquarium

Catfish & loaches

Zebra loach

Botia striata

9 cm adult40 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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Rubber-lip pleco (Chaetostoma milesi) in an aquarium

Catfish & loaches

Rubber-lip pleco

Chaetostoma milesi

15 cm adult55 gal minimum

Generally peaceful in a suitable community. Needs wood, algae and strong oxygenation; do not treat it as a glass cleaner.

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Clown pleco (Panaqolus maccus) in an aquarium

Catfish & loaches

Clown pleco

Panaqolus maccus

10 cm adult29 gal minimum

Generally peaceful in a suitable community. Needs driftwood as part of its diet and plenty of hiding places.

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Whiptail catfish (Rineloricaria lanceolata) in an aquarium

Catfish & loaches

Whiptail catfish

Rineloricaria lanceolata

12 cm adult29 gal minimum

Generally peaceful in a suitable community. A practical community profile with adult-size guidance.

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