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No federal permit to keep

White piranha

Serrasalmus brandtii

Also known as Pirambeba

Fishes › Tetras, piranhas and pacus (Characiformes) › Serrasalmidae (Piranhas and pacus)

Care follows the piranhas, pacus and silver dollars guide below.

Aquarium hobby
Experience: Intermediate
White piranha
Photo: (c) Breno Figueiredo, some rights reserved (CC BY), CC BY 4.0, via iNaturalist
FamilyPiranhas and pacus
Adult lengthup to 11.5 in
WaterFreshwater

Care at a glance

Species-specific aquarium care

  • Tank: At least 60 in long and 24 in front to back for one adult (adults commonly reach about 11.5 in / 29.1 cm).
  • Water: Freshwater.
  • Layout: Uses both the bottom and open water: give open swimming space plus cover near the substrate.
  • Availability: Rarely or never seen in the aquarium trade; expect to source it from specialists or not at all.

Calculated from this species' own FishBase record: tank size from its typical adult length and swimming zone, water values from its recorded ranges. The group guide below fills in general care.

Care guide

Species care notes

  • Tank: a base of at least 59 × 24 in (roughly 143 US gallons); space needed is rated “very large tank”.
  • Water: a fairly wide range, from slightly acidic to slightly alkaline, 68–79 °F, pH 5–8, 2–20 dGH.
  • Behaviour: temperament species tank; kept alone; not a community fish.
  • Difficulty: Moderate (Seriously Fish rating).

Short excerpts from the species profile:

  • Setup: “Choice of décor is not as critical as water quality and the amount of open swimming-space provided.”
  • Diet: “Serrasalmus species tend to be somewhat opportunistic feeders in the wild, although they display a preference for small fishes, chunks of fish flesh, and fish fins.”
  • Tankmates: “Best maintained alone as a single specimen.”

From the Seriously Fish profile for this species, which has the full habitat, maintenance, diet, behaviour and breeding write-up 167

Group care guide

Piranhas, pacus and silver dollars

Applies to most species in this group. Habitat: South American rivers. Individual species can differ, so compare with the species numbers above and the linked sources.

Housing & setup

  • Large tanks with strong filtration; pacus grow to over 2 ft and outgrow almost every home aquarium.

Sources 117119164118

Diet

  • Silver dollars: plant-based foods. Piranhas: fish, shrimp and pellets.

Sources 117119164118

Health watch

  • Piranhas are banned in many states. Never release pacus.

Sources 117119164118

Understanding the animal

This species is part of a group that hobbyists, aviculturists or zoos keep widely (Piranhas and pacus), so it's included for completeness. It may be rare in captivity itself, or not kept at all. Use the group guide as a starting point and look for species-specific advice from experienced keepers.
In the wild

In the wild

From this species’ own FishBase record (habitat, bottom type, water and breeding data), not its family. Good care copies these conditions.1

Where it livesLives in freshwater. Uses both the bottom and open water.
Water it lives inFreshwater.
ClimateTropical climate.
  1. FishBase species summary: Serrasalmus brandtii
Native climate (measured)

Native climate (measured)

Warm-season highsabout 88°F (up to 92°F in the hottest sampled areas)
Cool-season lowsabout 58°F (down to 51°F in the coldest sampled areas)
Average temperature70–78°F across sampled records
Relative humidity67–77% on average (driest month about 65%)
Rainfallabout 997 mm a year, with strong wet and dry seasons

Measured at 153 wild occurrence records sampled against WorldClim 2.1 climate data (1970–2000 averages). Air conditions in the range are ecological context, not enclosure settings: microhabitats such as burrows, leaf litter or basking rocks can be cooler, warmer or more humid.

From the sources

From the sources

Quoted from the matching sections of reputable sources for this exact species. Specialist databases are used first; Wikipedia (community-edited, CC BY-SA 4.0) only fills gaps. Other sources are short credited quotes.

Where it livesHome ranges Population dynamics Growth parameters Max. ages / sizes Length-weight rel. Length-frequencies Mass conversion Recruitment Abundance Life cycle Reproduction Maturity Maturity/Gills rel. — FishBase

Data and studies

The numbers

The numbers

Each bar is what one source reports. Where several sources weigh in, the dashed gold band marks their average.

Typical adult weight

Reported34.5oz
FishBase 16434.5

Average adult body mass in each database (FishBase gives the maximum recorded weight).

Adult length

Average of sources10.7in
FishBase 16411.5
Seriously Fish species profiles 1679.8

Maximum recorded length. Measured as standard length (snout to the base of the tail, not counting the tail fin). Fish in home aquariums often stay smaller than wild records.

Water temperature

Reported68–79°F
Seriously Fish species profiles 16768–79

Range the species tolerates; aim for the middle.

pH

Reported5–8
Seriously Fish species profiles 1675–8

Water hardness

Reported2–20dGH
Seriously Fish species profiles 1672–20

Minimum tank footprint

Reported59in
Seriously Fish species profiles 16759

Seriously Fish recommends a tank base of at least 59 × 24 in (about 143 US gallons).

Sources for this sheet

  1. FishBase (Froese & Pauly, eds.), version 24.07 Peer-reviewed researchThe global scientific database on fishes, maintained by a consortium of research institutions; every value is referenced.
  2. Seriously Fish species profiles Experienced keeper or breederLong-running aquarium reference written and peer-checked by experienced fishkeepers and ichthyologists; each profile covers habitat, tank size, water, diet, behaviour and breeding.
  3. Merck Veterinary Manual: Management of aquarium fish Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.
  4. Merck Veterinary Manual: Types and features of aquatic systems Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.
  5. Merck Veterinary Manual: Nutritional diseases of fish Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.