Aquarium Care Guides
2588 articles- Patrizi's Killifish (Nothobranchius patrizii) Breeding GuideBreeding the East African annual killifish Nothobranchius patrizii: peat spawning, dry diapause incubation, and rewetting to hatch a notorio
- Eggers' Nothobranchius (Nothobranchius eggersi) Breeding GuideBreeding the Tanzanian annual killifish Nothobranchius eggersi: peat spawning, drying eggs to tobacco consistency through diapause, and rewe
- Guenther's Nothobranchius (Nothobranchius guentheri) Breeding GuideBreeding the classic Zanzibari annual killifish Nothobranchius guentheri: peat spawning, an 8-12 week dry incubation, and CO2-triggered hatc
- Turquoise Killifish (Nothobranchius furzeri) Breeding GuideBreeding Nothobranchius furzeri, the shortest-lived vertebrate and an aging model: peat spawning, embryonic diapause stages I-III, and wetti
- Korthaus' Nothobranchius (Nothobranchius korthausae) Breeding GuideBreeding the annual killifish Nothobranchius korthausae: peat spawning, drying eggs through diapause, and wetting damp peat to hatch fry.
- Ten-spotted Livebearer (Cnesterodon decemmaculatus) Breeding GuideBreeding the nano livebearer Cnesterodon decemmaculatus: sexing by gonopodium, a 24-day gestation, small broods of 5-15 young, and protectin
- Mosquitofish (Gambusia affinis) Breeding GuideHow to breed Gambusia affinis, a prolific livebearer. Covers sexing by gonopodium, gestation, brood size and the serious invasive-release da
- Atlantic Molly Breeding GuideBreeding Poecilia mexicana, the Atlantic molly: sexing by gonopodium, hard brackish-tolerant conditioning, near-continuous monthly broods of
- Poecilia parae Breeding GuideBreeding Poecilia parae: sexing by size and Y-linked male colour morphs, conditioning, 24-day gestation, small broods of 5-15 and fry care f
- Pike Top Minnow Breeding GuideBreeding the predatory livebearer Belonesox belizanus: sexing by size and gonopodium, conditioning on live prey, large broods of up to 100 a
- Pittier's Livebearer Breeding GuideBreeding Phallichthys pittieri: sexing by the long gonopodium and orange dorsal band, conditioning, four-week gestation, broods of 10-80 and
- Merry Widow Breeding GuideBreeding Phallichthys amates (merry widow): sexing by the long gonopodium, conditioning, four-week gestation, broods of 10-80 and care of se
- Humpback Limia Breeding GuideBreeding Limia nigrofasciata: sexing by the male dorsal hump and enlarged fin, algae-based conditioning, courtship, livebearing of 15-30 fry
- Perugia's Limia Breeding GuideBreeding Limia perugiae: sexing by body size and dominant-male colour, omnivorous conditioning, internal fertilization and fry care for this
- Black-bellied Limia Breeding GuideBreeding Limia melanogaster: sexing by the unique gravid spot and male fin colour, conditioning, four-week gestation and care of 6-9 mm live
- Yucatan Sailfin Molly Breeding GuideBreeding Poecilia velifera, the giant sailfin molly: sexing by the tall male sail and gonopodium, hard-water conditioning, 28-40 day gestati
- Lyretail Molly Breeding GuideBreeding the lyretail molly, a long-finned Poecilia sphenops strain: sexing by gonopodium, hard-water conditioning, gestation and care of fr
- Dalmatian Molly Breeding GuideBreeding the dalmatian molly, a black-spotted Poecilia sphenops strain: sexing by gonopodium, hard-water conditioning, gestation and rearing
- Black Molly Breeding GuideHow to breed the black molly (Poecilia sphenops var.): sexing by gonopodium, hard alkaline conditioning, internal fertilization, gestation a
- Velvet Red Swordtail Breeding GuideBreeding the Velvet Red Swordtail (Xiphophorus hellerii), a deep-red livebearer, with sexing, 24-30 day gestation, large broods, fry care an
- Lyretail Swordtail Breeding GuideBreeding the Lyretail Swordtail (Xiphophorus hellerii), a long-finned livebearer, with sexing, 24-30 day gestation, large broods, fry care a
- Pineapple Swordtail Breeding GuideBreeding the Pineapple Swordtail (Xiphophorus hellerii), a golden livebearer, with sexing, 24-30 day gestation, large broods, fry care and l
- Variatus Platy Breeding GuideBreeding the Variatus Platy (Xiphophorus variatus), a hardy livebearer that tolerates a wide temperature range, with sexing, brood size and
- Sunburst Platy Breeding GuideBreeding the Sunburst Platy (Xiphophorus maculatus), an orange-yellow livebearer, with sexing, brood size, fry care and fixing the sunburst
- Wagtail Platy Breeding GuideBreeding the Wagtail Platy (Xiphophorus maculatus), a hardy livebearer with black fins, including sexing, brood size, fry care and fixing th
- Black Mickey Mouse Platy Breeding GuideBreeding the Black Mickey Mouse Platy (Xiphophorus maculatus), a prolific livebearer, with sexing, brood size, fry care and the Mickey Mouse
- Black Bar Endler Breeding GuideBreeding the wild-type Black Bar Endler (Poecilia wingei): sexing, ~23-day broods, fry care and keeping the line pure from guppy hybridisati
- Tanzanite Endler Breeding GuideBreeding the Tanzanite Endler (Poecilia wingei), a tiny purple-blue livebearer, with sexing, ~23-day broods, fry care and keeping the line f
- Tiger Endler Breeding GuideBreeding the Tiger Endler (Poecilia wingei), a tiny barred livebearer, with notes on sexing, brood frequency, fry care and keeping the line
- Albino Guppy Breeding GuideBreeding the Albino Guppy (Poecilia reticulata), a red-eyed livebearer strain, including sexing, gestation, fry care and fixing the albino t
- Half-black Guppy Breeding GuideHow to breed the Half-black Guppy (Poecilia reticulata), a livebearer that drops live fry, and how the half-black trait is fixed by line-bre
- Breeding Mosaic GuppyHow to breed the Mosaic Guppy strain of Poecilia reticulata: a livebearer dropping live fry; line-bred for the heritable mosaic-patterned ta
- Breeding Snakeskin GuppyHow to breed the Snakeskin Guppy strain of Poecilia reticulata: a livebearer dropping live fry; line-bred for the heritable reticulated snak
- Breeding Tuxedo GuppyHow to breed the Tuxedo Guppy strain of Poecilia reticulata: a livebearer dropping live fry; line-bred for the heritable solid-black rear ha
- Breeding Cobra GuppyHow to breed the Cobra Guppy strain of Poecilia reticulata: a livebearer with internal fertilisation and live fry; line-bred for the heritab
- Breeding Chinese Algae EaterWhy Gyrinocheilus aymonieri is not bred in home aquaria: it is farmed for the trade with hormones, with only rare reported home fry and no r
- Breeding Garra rufaHow Garra rufa reproduces: a prolonged gravel/rock egg-scatterer with no parental care; most trade fish come from commercial farms, possibly
- Breeding Rosy BitterlingHow to breed Rhodeus ocellatus: the female lays eggs inside a living mussel via a long ovipositor, the male fertilises in the gill cavity, a
- Breeding European BitterlingHow to breed Rhodeus amarus: the female uses a long ovipositor to lay eggs inside a living freshwater mussel, the male fertilises through th
- Breeding Eurasian MinnowHow to breed Phoxinus phoxinus: a gravel egg-scatterer that spawns in late spring over clean gravel in flowing, well-oxygenated water, with
- Breeding Red ShinerHow to breed Notropis lutrensis: a crevice-spawning and broadcast cyprinid with brilliant breeding males, high fecundity, and an invasive-re
- Breeding Topmouth GudgeonHow Pseudorasbora parva breeds: a male-guarded nest under stones with eggs on the cavity ceiling, plus a critical warning on its invasive st
- Breeding Ginrin KoiHow to breed Cyprinus carpio var. Ginrin: a pond egg-scatterer spawning in spring, with the metallic Ginrin scale trait and demanding profes
- Butterfly Koi Breeding GuideHow to breed Butterfly koi (Cyprinus carpio), a long-finned pond egg-scattering hybrid developed in the 1980s that spawns in spring; long fi
- Doitsu Koi Breeding GuideHow to breed Doitsu koi (Cyprinus carpio), a scaleless pond egg-scattering line from German carp that spawns in spring; scalelessness comes
- Tancho Koi Breeding GuideHow to breed Tancho koi (Cyprinus carpio), a pond egg-scattering variety that spawns in spring; the single red head patch comes from selecti
- Asagi Koi Breeding GuideHow to breed Asagi koi (Cyprinus carpio), a pond egg-scattering variety that spawns in spring; the blue back with red below comes from selec
- Bekko Koi Breeding GuideHow to breed Bekko koi (Cyprinus carpio), a pond egg-scattering variety that spawns in spring; the solid colour with black markings comes fr
- Showa Koi Breeding GuideHow to breed Showa koi (Cyprinus carpio), a pond egg-scattering variety that spawns in spring; the black-based red-and-white pattern comes f
- Sanke Koi Breeding GuideHow to breed Sanke koi (Cyprinus carpio), a pond egg-scattering variety that spawns in spring; the white, red and black pattern comes from s