Fast-schooling fish; do not omit horizontal swimming space due to small body size.
This is an edited estimate of lifestyle compatibility, not an animal value rating. A higher score indicates that, based on current data, the animal is easier to integrate into your daily routine.
The composite score is calculated by weighting nine factors: beginner-friendliness, handling ease, interaction, space requirements, cost, maintenance, travel, veterinary access, and safety. Read risk signals according to field direction: lower scores for biting, escape, and toxicity indicate greater safety; higher scores for noise, odor, and cleaning indicate less hassle. Combine this page's environmental requirements and risk notes with your judgment; do not rely solely on the total score.
This brief brings together the space, maintenance, feeding, lifespan and veterinary conditions recorded on this page so you know what to verify next.
This is a comparison aid based on the current record, not a purchase, medical or local-law conclusion. Check the sources and local conditions before continuing.
Fewer specialists for fish and aquatic amphibians; water quality testing is the first line of defense.
Difficult; transport and water temperature control can affect diagnosis.
Specialist Exotic Pet Care Typically RequiredSource links are starting points for reading. A group-level guide does not verify every value for each species. Check local rules separately.
Cooler preferred temperature; do not assume compatibility with all high-temperature tropical fish.
Fully aquatic; air humidity not applicable.
Regular day-night lighting and partial cover.
Not applicable. Focus on stable water temperature, dissolved oxygen, and shelter.
Regular day-night lighting and partial cover.
Minimum: At least 6 fish; plan for a tank of 15.85 US gal (29.53 in) or longer, with a lid to prevent jumping.
Recommended: At least 6 individuals; plan for a 15.85 US gal, ~29.53 in or longer tank, covered to prevent jumping; recommend increasing minimum water volume by about 30% and allowing space for filtration, water changes, and group retreat areas.
Substrate free of pollutants and with appropriate particle size; perform regular waste removal. · Maintain dissolved oxygen and a mature filter; ammonia and nitrite must be 0.
Maintain dissolved oxygen and a mature filter; ammonia and nitrite must be 0.
These ranges are for planning the environment of a healthy adult, not a constant value for the entire enclosure, and do not cover disease, breeding, or juvenile stages.
Feed with high-quality small-particle food supplemented with small amounts of varied frozen foods, avoiding uneaten food accumulation.
At least 6 fish; plan for a tank of 15.85 US gal (29.53 in) or longer, with a lid to prevent jumping.
Dimensions are editor suggestions, not mandatory minimum standards in all regions. Group size, individual body size, and layout may require more space.
Better suited to a stable group; small numbers may chase each other and lack security.
No. This is a summary plan for a healthy adult. Juveniles, breeding periods, disease states, and regional climate variations require separate assessment.
Regulations for purchase, holding, breeding, transport, and import/export may vary. Please verify conservation lists, non-native species restrictions, and proof of origin with your local authorities using the scientific name. This page does not constitute legal advice.
This page is a structured editing example and has not yet undergone field-by-field expert review. Reference links are for further consultation; data for some groups may not apply to every species. Please read the full manual before formal husbandry.
Further reading. Some entries are group data. Numerical values and spatial recommendations are compiled by editors and have not been reviewed field-by-field by experts.
Even though they can breathe air, they still require filtration, stable temperature, and consistent water quality.
Active livebearers; breeding rates often exceed beginner expectations.
Schooling dwarf tetras; established water and sufficient companions are more important than individual specimens.
Freshwater shrimp that rely heavily on biofilm; stable mineral balance is more important than pursuing an exact pH.