Unlike freshwater “sharks,” a handful of true shark species are occasionally kept by experienced marine hobbyists, though the commitment required is far beyond a typical home tank.
Tank Size Requirements
Even the smaller species suited to captivity, like certain bamboo or epaulette sharks, need many hundreds of gallons of swimming space as adults, well beyond standard home aquarium sizes.
Specialized Care Needs
True sharks generally need very stable, pristine water quality, specific substrate (often sand to avoid abrading their skin), and a carefully planned diet of appropriate marine protein sources.
A Serious, Long-Term Commitment
Given their size, lifespan, and specialized needs, true sharks are only appropriate for extremely experienced marine hobbyists with the space and resources for a genuinely large system.
Alternatives for Most Hobbyists
For most tanks, freshwater “shark” species discussed in our freshwater shark guide or shark-patterned saltwater fish offer a similar aesthetic at a far more manageable scale.
Browse our shark selection to see what’s currently available for suitably experienced keepers.

