Aquarium Care Guides
2820 articles- Priapus Danionella (Danionella priapus) Breeding GuideBreeding Danionella priapus: sexing by the male genital papilla, a Java-moss nano spawning tank, cone-shaped egg masses and tiny fry care.
- Translucent Danionella (Danionella translucida) Breeding GuideBreeding the tiny transparent Danionella translucida: sexing, small continuous spawns, fine substrate or moss, and rearing extremely small f
- Pearly Rasbora (Rasboroides vaterifloris) Breeding GuideBreeding the Sri Lankan Rasboroides vaterifloris: sexing, conditioning, a gentle planted spawning tank and rearing the slow-growing fry.
- Glowlight Rasbora (Trigonopoma pauciperforatum) Breeding GuideHow to breed Trigonopoma pauciperforatum: sexing, soft-water conditioning, an egg-trap spawning tank and rearing the free-spawned fry.
- Axelrod's Blue Rasbora (Sundadanio axelrodi) Breeding GuideSundadanio axelrodi is a tiny egg-scatterer from Borneo peat swamps, rarely bred and demanding stable, very soft, acidic blackwater in heavi
- Clown Rasbora (Rasbora kalochroma) Breeding GuideRasbora kalochroma is an egg-scattering continuous spawner from Sundaland blackwater, able to spawn in mature planted tanks but best control
- Brilliant Rasbora (Rasbora einthovenii) Breeding GuideRasbora einthovenii is an egg-scattering continuous spawner from Sundaland blackwater swamps, bred in dimly lit mesh-base tanks with cool, s
- Eyespot Rasbora (Rasbora dorsiocellata) Breeding GuideRasbora dorsiocellata (now Brevibora dorsiocellata) is an egg-scattering continuous spawner with no parental care, bred in dimly lit mesh-ba
- Sidestripe Rasbora (Rasbora paviei) Breeding GuideRasbora paviei (valid spelling R. paviana) is an egg-scattering continuous spawner with no parental care, bred in dimly lit tanks with a mes
- Strawberry Rasbora (Boraras naevus) Breeding GuideBoraras naevus is an egg-scattering continuous spawner with no parental care, breedable in dimly lit nano tanks with fine-leaved cover and s
- Truncata Rasbora (Trigonostigma truncata) Breeding GuideTrigonostigma truncata is a harlequin relative that, like its genus, attaches eggs to the underside of broad leaves rather than scattering t
- Red-hook Silver Dollar (Myloplus rubripinnis) Breeding GuideMyloplus rubripinnis is a large herbivorous silver dollar whose aquarium breeding has not been achieved; this guide explains sexing and the
- Silver Dollar (Metynnis hypsauchen) Breeding GuideMetynnis hypsauchen is a herbivorous group-spawning characin that scatters large clutches of eggs; this guide covers sexing, triggers and fr
- Wimple Piranha (Catoprion mento) Breeding GuideCatoprion mento is a scale-eating serrasalmid whose aquarium spawning is unreported; this guide covers sexing and the obstacles to breeding
- Speckled Piranha (Serrasalmus spilopleura) Breeding GuideSerrasalmus spilopleura (treated as a synonym of S. maculatus) is among the easier piranhas to spawn, laying adhesive eggs guarded by the ma
- White Piranha (Serrasalmus rhombeus) Breeding GuideSerrasalmus rhombeus is a large, strictly solitary predator with no documented aquarium spawning; this guide explains why it is effectively
- Piraya Piranha (Pygocentrus piraya) Breeding GuideBreeding Pygocentrus piraya: the largest piranha, endemic to the Sao Francisco basin; not generally bred in captivity, with spawning inferre
- Black-spot Piranha (Pygocentrus cariba) Breeding GuideBreeding Pygocentrus cariba: an Orinoco-basin piranha; like its genus, it is a substrate spawner laying adhesive eggs in nests dug among pla
- Spotted Headstander (Chilodus punctatus) Breeding GuideBreeding Chilodus punctatus, the spotted headstander: a smaller anostomid presumed to be an egg scatterer with no parental care, spawning at
- Worm-line Headstander (Synaptolaemus cingulatus) Breeding GuideBreeding Synaptolaemus cingulatus: a rare Orinoco-Amazon anostomid headstander; FishBase notes distinct pairs breed in densely grown weedy p
- Marbled Headstander (Abramites hypselonotus) Breeding GuideBreeding Abramites hypselonotus: a head-down anostomid from the Amazon and Orinoco whose captive reproduction is undocumented, with adults a
- Frideric's Leporinus (Leporinus friderici) Breeding GuideBreeding Leporinus friderici: a large, widespread Amazon anostomid whose captive reproduction is unreported, so home breeding cannot be reli
- Banded Leporinus (Leporinus fasciatus) Breeding GuideBreeding the banded leporinus Leporinus fasciatus: a large Amazon-Orinoco anostomid whose captive reproduction is unrecorded, making home br
- Striped Headstander (Anostomus anostomus) Breeding GuideBreeding the striped headstander Anostomus anostomus: a large Amazon-Orinoco anostomid bred commercially but with no documented home-aquariu
- Black-banded Copella (Copella nigrofasciata) Breeding GuideBreeding Copella nigrofasciata: a lebiasinid splash-tetra relative that deposits eggs on submerged vegetation guarded by the male, rather th
- Nitidus Pencilfish (Nannostomus nitidus) Breeding GuideBreeding Nannostomus nitidus: an egg-scattering free spawner from Pará, Brazil, that spawns in dim light over mesh or fine plants, with fry
- Anduze's Pencilfish (Nannostomus anduzei) Breeding GuideBreeding Nannostomus anduzei, the genus's smallest member: an egg-scattering nano pencilfish that spawns among fine plants or wool mops, wit
- Two-striped Pencilfish (Nannostomus bifasciatus) Breeding GuideHow to breed Nannostomus bifasciatus: an egg-scattering pencilfish from Suriname and French Guiana whose adhesive eggs attach to plants and
- Ruby Red Pencilfish Breeding GuideNannostomus rubrocaudatus has been bred in aquaria, albeit rarely. Use densely planted containers with fine mops; first fry appear a day or
- Harrison's Pencilfish Breeding GuideNannostomus harrisoni has been bred in aquaria, albeit rarely. Use densely planted containers with fine spawning mops; fry appear a day or t
- Tube-mouth Pencilfish Breeding GuideNannostomus unifasciatus is not thought to have been bred in captivity; earlier reports apparently referred to N. eques. It needs soft acidi
- Diptail Pencilfish Breeding GuideNannostomus eques deposits eggs in single batches on the underside of plant leaves. Fry are free-swimming by the 5th-6th day and need very s
- Spotfin Hatchetfish Breeding GuideBreeding of Thoracocharax stellatus is unrecorded in aquaria. This large surface hatchetfish is a powerful jumper requiring a tightly sealed
- Silver Hatchetfish Breeding GuideBreeding of Gasteropelecus levis is undocumented; it probably spawns like the marbled hatchetfish. A tightly sealed cover and soft water are
- Blackwing Hatchetfish Breeding GuideBreeding of Carnegiella marthae is unrecorded in aquaria. This tiny surface-dwelling hatchetfish needs soft acidic water and a tightly seale
- Brichard's Congo Tetra Breeding GuideAlestopetersius brichardi is an egg-scattering Congo tetra. Males are more colourful with extended fins; detailed aquarium spawning data is
- Yellow-tail Congo Tetra Breeding GuideAlestopetersius caudalis is an egg-scattering Congo tetra. Males show extended white-tipped fins; spawning occurs near plants with no parent
- Affinis Distichodus Breeding GuideDistichodus affinis is a smaller Congo-basin characin not bred by hobbyists, though it is now produced commercially. Aquarium spawning remai
- Long-nose Distichodus Breeding GuideDistichodus lusosso is a large Congo-basin characin whose breeding is unrecorded in the hobby. Sexing is unknown and aquarium spawning is no
- Six-banded Distichodus Breeding GuideBreeding of Distichodus sexfasciatus, a large African characin, has not been recorded in captivity. Sexing is unknown and aquarium spawning
- Nurse Tetra Breeding GuideBreeding the Nurse Tetra (Brycinus nurse): a large potamodromous African alestid; aquarium spawning is undocumented, with only sexing and ge
- Longfin Tetra Breeding GuideBreeding the Longfin Tetra (Brycinus longipinnis): sexing by the male dorsal fin, soft acidic spawning and rearing several hundred orange eg
- Blue Congo Tetra (greeni) Breeding GuideBreeding the Blue Congo Tetra (Bathyaethiops greeni): a Congo-tetra-pattern soft acidic egg-scattering spawn; species-specific captive data
- Yellow Congo Tetra Breeding GuideBreeding the Yellow Congo Tetra (Phenacogrammus aurantiacus): a Congo-tetra-pattern soft acidic spawn with weakly adhesive eggs; species-spe
- Rainbow Emperor Tetra Breeding GuideBreeding the Rainbow Emperor Tetra (Nematobrycon lacortei): sexing by eye colour and fins, soft-water pair spawning and batch-laid eggs.
- Slender Tetra Breeding GuideBreeding the Slender Tetra (Iguanodectes spilurus): sexing by nuptial males and an egg-scattering approach; aquarium spawning is largely und
- Longfin Black Skirt Tetra Breeding GuideBreeding the Longfin Black Skirt Tetra (Gymnocorymbus ternetzi): black skirt tetra spawning biology, with the long fins as a heritable selec
- GloFish Black Skirt Tetra Breeding GuideBreeding the GloFish Black Skirt Tetra (Gymnocorymbus ternetzi): spawning biology of the black skirt tetra, with notes on its trademarked tr
- Hockey-stick Tetra (obliqua) Breeding GuideBreeding the Hockey-stick Tetra (Thayeria obliqua): sexing and a Thayeria-pattern egg-scattering setup, noting captive breeding is undocumen
- Cochu's Blue Tetra Breeding GuideBreeding Cochu's Blue Tetra (Boehlkea fredcochui): subtle sexing, soft acidic peat-filtered water, eggs laid under broad leaves, prompt pare