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Freshwater Tropical Fish Species Breeding Guides

Use these profiles to narrow your research. Each page describes the breeding method, planning difficulty and welfare questions without pretending that one parameter range fits every strain.

Freshwater focusWelfare-firstUpdated July 2026

Browse species profiles

Use the filter to narrow the list by planning difficulty. “Beginner” means the reproductive method is usually easier to observe—not that the species requires less daily care.

BeginnerLivebearer

Guppies Responsibly

Poecilia reticulata

Plan responsible guppy breeding with healthy stock, planted cover, fry-safe filtration, population control and honest strain records.

BeginnerLivebearer

Endler’s Livebearers

Poecilia wingei

Breed Endler’s livebearers with population control, guppy-hybrid awareness, planted cover and transparent lineage records.

BeginnerLivebearer

Platies

Xiphophorus maculatus and related forms

Plan platy breeding around stable water, multiple broods, fry cover, grow-out capacity and separation from related Xiphophorus species.

IntermediateLivebearer

Swordtails

Xiphophorus hellerii

Breed swordtails with adequate swimming space, controlled sex ratios, fry capacity and attention to aggression and related-species hybridization.

IntermediateLivebearer

Mollies

Poecilia species and domestic hybrids

Plan molly breeding around larger adult size, stable mineral-rich water where appropriate, fry space and accurate species or hybrid identification.

AdvancedBubble nest

Betta Fish

Betta splendens and domestic forms

Understand why betta breeding is an advanced project requiring supervised introductions, separation plans, individual juvenile housing and substantial capacity.

IntermediateSubstrate spawner with parental care

Freshwater Angelfish

Pterophyllum scalare and related forms

Plan angelfish breeding around compatible pairs, vertical spawning surfaces, territorial behaviour, egg care and large grow-out needs.

IntermediateUsually bubble nest

Gouramis

Trichogaster, Trichopodus and related genera

Breed gouramis with species-specific research, calm surface conditions, plant cover and close monitoring of courtship aggression.

BeginnerEgg scatterer

Zebra Danios

Danio rerio

Breed zebra danios with egg-protection mesh or marbles, mature water, prompt adult removal and a prepared fry-food sequence.

AdvancedEgg scatterer

Neon Tetras

Paracheirodon innesi

Understand the advanced planning needed for neon tetra breeding, including soft stable water where appropriate, light-sensitive eggs and microscopic first foods.

IntermediateAdhesive eggs

Corydoras Catfish

Corydoras and related genera

Plan Corydoras breeding with species identification, clean substrate, group conditioning, egg collection choices and fry-safe feeding.

IntermediateCave spawner

Bristlenose Plecos

Ancistrus species and domestic forms

Breed bristlenose plecos with suitable caves, mature wood-rich aquariums, male egg guarding and a realistic plan for many growing juveniles.

IntermediateCave spawner with parental care

Kribensis Cichlids

Pelvicachromis pulcher and related forms

Plan kribensis breeding around compatible pairs, caves, territorial parenting, fry herding and safe separation of tank mates.

AdvancedUsually cave or substrate spawner

Dwarf Cichlids

Apistogramma and other small cichlids

Approach dwarf-cichlid breeding with exact species identification, water research, complex social behaviour and careful fry planning.

AdvancedSpecies-specific egg layer

Killifish

Multiple families and genera

Understand annual and non-annual killifish breeding, species-specific egg collection, incubation and responsible distribution.

AdvancedSubstrate spawner with specialized parental care

Discus Fish

Symphysodon species and domestic forms

Recognize the advanced space, water, pair compatibility and fry-care demands involved in breeding discus.

IntermediateEgg scatterer

Cherry Barbs

Puntius titteya

Plan cherry barb breeding with conditioned adults, dense spawning media, egg protection and small first foods.