Decorated Synodontis (Synodontis decorus)
Decorated Synodontis is a Congo squeaker that grows a long dorsal filament and a 20–30 cm body. Nocturnal, cave-owning, and capable of eating sma…
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Aspidoras pauciradiatus (Aspidoras pauciradiatus)
Aspidoras pauciradiatus is the tiny, few-rayed Araguaia catfish shops file as a dwarf cory. Sponge filters, dozens if you can, and fry-scale food �…
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Aspidoras fuscoguttatus (Aspidoras fuscoguttatus)
Aspidoras fuscoguttatus is a slender, brown-dotted Paraná catfish, not a small Corydoras. Cooler water, a nervous little flock, and micro-food —…
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Scleromystax barbatus (Scleromystax barbatus)
Scleromystax barbatus is a large, bearded, cool-water catfish from Atlantic-forest streams. Males grow cheek odontodes and want oxygen at 18–22°…
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Emerald Brochis (Brochis splendens)
Emerald Brochis is a high-backed, metallic-green Amazon callichthyid that outgrows pandas and eats like a herd. Extra dorsal rays, real bulk, and a…
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Pantanal Corydoras (Corydoras pantanalensis)
Pantanal Corydoras wears a gold net in clear, planted wetland water — not Amazon tea. Seasonal floods, sand, and a vegetated tank show the specie…
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Cruz's Corydoras (Corydoras cruziensis)
Cruz's Corydoras is C012 from Bolivia's Santa Cruz department: a small golden mosaic from Madeira-basin streams. Short-snouted, uncommon, and not a…
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Seuss's Corydoras (Corydoras seussi)
Seuss's Corydoras (C027) is the long-snouted, orange-spined Mamoré fish — not Sterbai with a stretched face. It likes warmth, a group, and sand,…
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Zygatus Corydoras (Corydoras zygatus)
Zygatus is the rusty Peruvian cory with a dark yoke along the back. Side by side with rabauti the cape is the ID. Keep a saddle-matched troop on sa…
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Reticulated Corydoras (Corydoras reticulatus)
Reticulated Corydoras is the Ucayali network catfish with a dorsal blotch — Peruvian mesh, not a Brazilian stamp and not leopardus. The lace fade…
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Aurofrenatus Corydoras (Corydoras aurofrenatus)
Aurofrenatus is the gold-bridled, long-snouted cory of the Paraguay basin (ellisae is the same fish). The pointed snout probes sand; gravel files i…
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Weitzmani Corydoras (Corydoras weitzmani)
Weitzmani is the Peruvian fox cory: ivory body, dark mask, orange in the fins. It is not Adolfoi's blaze. Buy a group, keep the water soft, and fee…
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Natterer's Corydoras (Corydoras nattereri)
Natterer's Corydoras is a steel-blue coastal Brazilian fish, cooler than Amazon blackwater corys. Keep the sheen with clean, well-oxygenated water…
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Rabauti Corydoras (Corydoras rabauti)
Rabauti Corydoras is the uniform rusty Amazon catfish, not a faded bronze and not zygatus with a dark cape. A copper troop on pale sand is the whol…
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Hastatus Pygmy Cory (Corydoras hastatus)
Hastatus is the Paraguay pygmy cory that schools in midwater like a tiny tetra, with a spear-spot on the tail. Huge numbers, micro-food, and plants…
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Leopard Corydoras (Corydoras leopardus)
Leopard Corydoras is the larger, long-snouted Amazon cat with coarse blotches — not julii, not trilineatus. Give it a wide sand paddock and a gro…
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Schwartzi Corydoras (Corydoras schwartzi)
Schwartzi Corydoras is the Purus spotted cat whose dots line up into stripes. It is the busy, available patterned cory — still a sand-working gro…
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Similis Corydoras (Corydoras similis)
Similis Corydoras is a pale Madeira-basin catfish with a caudal smudge, often mixed up with caudimaculatus. It wants a sand troop and quiet water,…
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Duplicareus Corydoras (Corydoras duplicareus)
Corydoras duplicareus is the Negro lookalike named for doubling Adolfoi: same gold blaze, a more continuous dark stripe along the back. Buy the sad…
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Adolfo's Corydoras (Corydoras adolfoi)
Adolfo's Corydoras is the Rio Negro sand-sifter with an orange nape, a black mask, and a dorsal saddle that does not copy duplicareus. Soft, staine…
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True Rummy-nose Tetra (Petitella bleheri)
Petitella bleheri’s crimson face is a water-quality instrument — the true rummynose of Negro blackwater, a school of ten-plus, and a nose that…
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Three-lined Pencilfish (Nannostomus trifasciatus)
Nannostomus trifasciatus is the photographed pencil: three lines, red in the males, and nipping that stays inside the school if you keep twelve in…
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Diptail Pencilfish (Nannostomus eques)
Nannostomus eques hangs at 45 degrees in stained Amazon water — the hockey-stick pencilfish of the top third, shy, particular, and not a tetra th…
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Beckford's Pencilfish (Nannostomus beckfordi)
Nannostomus beckfordi is the pencilfish that forgives: a level-swimming Guiana characin whose midwater fencing looks like a school at eight fish an…
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