Aquarium Care Guides
2820 articles- Bolivian Ram Breeding Guide (Mikrogeophagus altispinosus)Breeding the Bolivian Ram (Mikrogeophagus altispinosus): a biparental, open substrate-spawning dwarf cichlid that lays 100-200 eggs on a fla
- Cuban Limia Breeding Guide (Limia vittata)Breeding the Cuban Limia (Limia vittata), a robust livebearer from Cuba: large females can drop up to 50 fry at a time and around 100 young
- Least Killifish Breeding Guide (Heterandria formosa)Breeding the Least Killifish (Heterandria formosa), a tiny dwarf livebearer that releases as many as 40 fry gradually over a 10-14 day perio
- Lyretail Guppy Breeding Guide (Poecilia reticulata var.)Breeding the Lyretail Guppy, a fancy fin strain of the guppy (Poecilia reticulata): a livebearer with a gravid spot, sperm storage and brood
- Sailfin Molly Breeding Guide (Poecilia latipinna)Breeding the Sailfin Molly (Poecilia latipinna): a livebearer with internal fertilization, three-to-four-week gestation and broods of 10-140
- Balloon Molly Breeding Guide (Poecilia sphenops var.)Breeding the Balloon Molly, a selectively bred body-shape variety of the common molly (Poecilia sphenops): a livebearer with internal fertil
- T-Barb Breeding Guide (Puntigrus partipentazona)Breeding notes for the T-Barb (Puntigrus partipentazona), a member of the tiger barb group: aquarium spawning is unrecorded, with only adult
- Tinfoil Barb Breeding Guide (Barbonymus schwanefeldii)Why the Tinfoil Barb (Barbonymus schwanefeldii) is impractical to breed at home: an egg-scattering species reproduced commercially, releasin
- Leopard Danio Breeding Guide (Danio rerio var. frankei)Breeding the Leopard Danio, a spotted morph of the Zebra Danio (Danio rerio): sexing, egg-scattering spawning over a marble or mesh base, an
- Giant Danio Breeding Guide (Devario aequipinnatus)How to breed the Giant Danio (Devario aequipinnatus): sexing, conditioning, egg-scattering spawning over plants, and rearing the roughly 300
- Pearl Danio Breeding GuideHow to breed Danio albolineatus: sexing, conditioning, an egg-safe spawning tank, and the cool-water trigger that prompts this active egg sc
- Checker Barb Breeding GuideHow to breed Oliotius oligolepis: sexing, conditioning, a dim spawning tank and rearing fry that become free-swimming about a day after hatc
- Five-Banded Barb Breeding GuideHow to breed Desmopuntius pentazona: sexing, conditioning, a dim soft-acidic spawning tank, and rearing the fry that hatch within 24-36 hour
- Rosy Barb Breeding GuideHow to breed Pethia conchonius: sexing by colour and breeding tubercles, an egg-safe spawning tank, and rearing the several hundred eggs a f
- Flame Tetra Breeding GuideHow to breed Hyphessobrycon flammeus: sexing by fin markings, soft acidic spawning conditions, and rearing the fry of this endangered, capti
- Emperor Tetra Breeding GuideHow to breed Nematobrycon palmeri: sexing by eye colour and tail shape, conditioning, and rearing the fry from eggs that are released only a
- Red Eye Tetra Breeding GuideHow to breed Moenkhausia sanctaefilomenae: sexing, conditioning, a dim soft-acidic spawning tank, and rearing the fry that hatch in 24-36 ho
- Silvertip Tetra Breeding GuideHow to breed Hasemania nana: sexing by colour, separate conditioning, a warm dim spawning tank, and rearing the adhesive eggs once the paren
- Head and Tail Light Tetra Breeding GuideHow to breed Hemigrammus ocellifer: sexing by swim-bladder shape, soft acidic spawning water, and rearing the tiny fry that hatch in 24-36 h
- Penguin Tetra Breeding GuideHow to breed Thayeria boehlkei: sexing, conditioning, a dim warmed spawning tank, and rearing the semi-adhesive eggs that hatch in 12-24 hou
- Buenos Aires Tetra Breeding GuideHow to breed Hyphessobrycon anisitsi: sexing, conditioning, an egg-safe scatter-spawning tank, and rearing the large broods of up to 2000 eg
- Bleeding Heart Tetra Breeding GuideHow to breed Hyphessobrycon erythrostigma: sexing by fin length and body shape, soft acidic spawning conditions, and why captive spawning is
- Pristella Tetra Breeding GuideBreeding Pristella maxillaris: sexing, group or pair egg-scattering in soft acidic water, light-sensitive eggs, and rearing fry.
- Lemon Tetra Breeding GuideBreeding Hyphessobrycon pulchripinnis: sexing, egg-scattering free spawning over fine-leaved plants in dim soft water, and rearing fry.
- Chocolate Gourami Breeding GuideBreeding Sphaerichthys osphromenoides, a rare maternal mouthbrooder: sexing, upright spawning, the female's brooding, and blackwater needs.
- Threadfin Rainbowfish Breeding GuideBreeding Iriatherina werneri: sexing, the male's flicking fin display, continuous egg-depositing into mops or moss, and rearing tiny fry.
- Green Neon Tetra Breeding GuideBreeding Paracheirodon simulans: sexing, the very soft tannin-stained blackwater required, light-sensitive eggs, and rearing fry.
- Chili Rasbora Breeding GuideBreeding Boraras brigittae: sexing, continuous daily egg-scattering in moss, soft acidic water, and rearing the minute fry.
- Lambchop Rasbora Breeding GuideBreeding Trigonostigma espei: sexing, the inverted leaf-spawning unusual for cyprinids, soft acidic conditions, and rearing fry.
- Julii Cory Breeding GuideBreeding Corydoras julii: sexing, the cool-water-change trigger, the T-position spawning, egg deposition, and rearing fry over sand.
- Pea Puffer Breeding GuideBreeding Carinotetraodon travancoricus: sexing, harem setup in dense moss, daily small spawns, and rearing the tiny carnivorous fry.
- Scarlet Badis Breeding GuideBreeding Dario dario: sexing the colourful males, the male's territorial courtship, egg deposition under leaves, and rearing tiny fry.
- Marbled Crayfish Breeding GuideThe marbled crayfish (Procambarus virginalis) reproduces by parthenogenesis: all-female clones, no mating, plus a critical invasive-release
- Dwarf Mexican Crayfish Breeding GuideHow to breed the dwarf Mexican crayfish (Cambarellus patzcuarensis): water conditions, the berried female, and rearing cannibalistic juvenil
- Tiger Nerite Snail Breeding GuideTiger nerites (Neritina semiconica) lay egg capsules in freshwater, but their larvae require brackish or saltwater, so they cannot reproduce
- Ivory Snail Breeding GuideThe ivory snail is a Pomacea bridgesii color form with separate sexes; the female leaves the water to lay a clutch of eggs above the surface
- Horned Nerite Snail Breeding GuideHorned nerites (Clithon corona) lay egg capsules in freshwater, but like all nerites their larvae need brackish or saltwater, so they will n
- Zebra Nerite Snail Breeding GuideZebra nerites lay white egg capsules in freshwater, but their larvae need brackish or saltwater to develop, so they cannot multiply in a fre
- Japanese Trapdoor Snail Breeding GuideCipangopaludina are ovoviviparous livebearers with separate sexes: females brood eggs internally and give birth to a small number of fully f
- Ramshorn Snail Breeding GuidePlanorbarius corneus is a hermaphroditic freshwater snail that lays gelatinous egg masses on plants and glass; a single individual can found
- Malaysian Trumpet Snail Breeding GuideMelanoides tuberculata is a parthenogenetic livebearing snail: females need no mate and give birth to many crawling young, making it extreme
- Green Jade Shrimp Breeding GuideGreen Jade is a Neocaridina davidi color morph that breeds readily in freshwater but needs strict culling to hold its green, which fades ove
- Yellow Shrimp Breeding GuideYellow Shrimp is a Neocaridina davidi color morph that breeds readily in freshwater; females carry 20-30 eggs and young hatch as miniature a
- Red Rili Shrimp Breeding GuideRed Rili is a Neocaridina davidi color morph that breeds readily in freshwater; its red-and-clear pattern requires culling to stay sharp acr
- Snowball Shrimp Breeding GuideSnowball Shrimp (Neocaridina zhangjiajiensis) is a freshwater dwarf shrimp whose berried females carry bright white eggs that hatch directly
- Blue Velvet Shrimp Breeding GuideBlue Velvet is a Neocaridina davidi color morph that breeds readily in freshwater, with females carrying 20-30 eggs that hatch as miniature
- Orange Sakura Shrimp Breeding Guide (Neocaridina davidi)Breeding the orange sakura shrimp, a Neocaridina davidi morph: sexing by the saddle, maturity at ~2 months, 20-30 eggs hatching as miniature
- Blue Dream Shrimp Breeding Guide (Neocaridina davidi)Breeding the blue dream shrimp, a Neocaridina davidi morph: sexing by the saddle, maturity at ~2 months, 20-30 eggs hatching as miniature sh
- Crystal Red Shrimp Breeding Guide (Caridina cantonensis)Breeding the crystal red shrimp Caridina cantonensis: sexing, soft acidic water, berried females, ~28-day incubation and young that hatch as
- Ghost Shrimp Breeding Guide (Palaemonetes paludosus)Breeding the freshwater ghost shrimp Palaemonetes paludosus: sexing berried females, 12-14 day egg incubation, a free-swimming zoea larval s