Where Rare Aquarium Fish Are Most Available in the U.S.
In the U.S., rare aquarium fish are found less by state than by channel: they come from specialist importers, which hobby knowledge places mainly near major international airports in large coastal states, and from dedicated breeders who ship nationwide. FishyHub has no state-level data on where rare fish are listed or bought, but its national marketplace shows which fish are scarce. The limited-supply group includes black and jardini arowanas, datnoids, knifefish, giant halfmoon plakat bettas, fancy goldfish such as orandas and ryukins, and marine oddities such as batfish, boxfish, jawfish, pipefish, rays and sharks.
Key Findings
- FishyHub does not report where rare fish are listed or bought by state; its U.S. rarity findings are national.
- FishyHub data shows limited U.S. supply of black and jardini arowanas, datnoids, knifefish, oscars, silver dollars, hatchetfish, orandas and ryukins.
- FishyHub data shows limited U.S. supply of crowntail, dumbo, veiltail and giant halfmoon plakat bettas.
- FishyHub data shows limited U.S. marine supply of batfish, boxfish, filefish, jawfish, pipefish, rays, scorpionfish, sharks and squirrelfish, along with lobsters, jellyfish, sea slugs and sponges.
- FishyHub data shows giant halfmoon plakat bettas are the clearest U.S. case of demand outpacing supply among the categories where U.S. interest is measured.
- FishyHub data shows several scarce U.S. groups, including black and jardini arowanas, datnoids, rays and sharks, also sit in the collector / premium price tier.
- FishyHub marketplace activity shows U.S. listings rising even in scarce groups such as arowanas, datnoids, knifefish and rays.
What Counts as Rare
On FishyHub, "rare" means a category in the limited-supply tier: only a small pool of active listings at any time. Rare is not the same as expensive. Crowntail bettas and oscars are scarce on the U.S. marketplace yet sit in the entry-level price tier, because few sellers list them rather than because they are hard to produce. The truly hard-to-get fish are those that are both scarce and in the collector tier.
Rare Freshwater Fish in the U.S.
Grouped by type and listed alphabetically:
Scarce and collector-priced
- Black arowana
- Datnoids
- Jardini arowana
Scarce, mid-range or below
- Crowntail, dumbo and veiltail bettas
- Hatchetfish
- Knifefish
- Orandas and ryukins
- Oscars
- Silver dollars
Scarce and in high demand
Giant halfmoon plakats sit in the upper mid-range price tier with limited supply, and demand clearly outpaces supply. They are the scarce betta U.S. buyers are most actively seeking.
Rare Marine Fish and Invertebrates
Marine rarities on FishyHub's U.S. marketplace include, alphabetically: batfish, boxfish, fan worms, filefish, grunts and sweetlips, jawfish, jellyfish, lobsters, pipefish, rays, scallops, scorpionfish, sea slugs, sharks, sponges and squirrelfish. Rays, scorpionfish and sharks also sit in the collector tier.
| Group | Supply | Price tier |
|---|---|---|
| Batfish, boxfish, filefish | Limited | Upper mid-range |
| Jawfish, pipefish | Limited | Mid-range |
| Rays, scorpionfish, sharks | Limited | Collector / premium |
| Jellyfish, lobsters, sea slugs, sponges | Limited | Mid-range |
Why These Fish Are Scarce in the U.S.
Legal limits
Some of the most sought-after fish elsewhere cannot be sold in the U.S. at all. The Asian arowana is a protected species under U.S. law, which is why FishyHub's U.S. arowana categories are the South American black and silver arowanas and the Australian jardini rather than the red and gold forms popular in Asia. Snakeheads are listed as injurious wildlife under federal law, and individual states restrict further species, so a fish that is easy to buy in one state may be unavailable in another.
Size and space
Arowanas, datnoids and knifefish grow large and need big tanks to raise. Few sellers have the space to grow them on, which keeps listings thin.
Collection and import
Many marine rarities are wild-caught. Their supply depends on collection seasons, export rules in the source country and the airline routes that bring them in, so availability comes in waves.
Difficult shipping and care
Batfish, boxfish and some jawfish are delicate shippers or specialist feeders, so sellers list them only when they can ship them safely.
Breeding effort
Giant halfmoon plakats take longer to raise than standard bettas, and only some fish in each spawn reach giant size. That limits supply even as interest grows.
Where Rare Fish Actually Come From
This is hobby context, not FishyHub data:
- Import hubs. Wholesalers that bring in marine fish and wild freshwater species cluster near major international airports, mostly on the coasts. Local stores near these hubs tend to see new arrivals first.
- Specialist breeders. Home breeders of show bettas, fancy goldfish and plecos are spread across every zone, and many sell directly online.
- Aquarium clubs. Club auctions and swaps are a traditional source of unusual fish, especially in regions with long-running societies.
For most hobbyists, the practical answer to "where" is online: a national marketplace puts specialist sellers in every zone within reach of an overnight courier.
Buying a Rare Fish Across Delivery Zones
FishyHub's five delivery zones are Midwest & Central; East Coast & Northeast; South & Southeast; West Coast & Mountain West; and Alaska, Hawaii & territories. For a rare fish:
- Check your state's species rules before buying.
- Ask the seller about size, diet and how the fish has been feeding.
- Prefer mild-weather shipping weeks, especially for delicate marine fish.
- Allow for longer transit if you live in Alaska, Hawaii or a territory.
- Save scarce categories to your wishlist so you see new listings as they appear.
Methodology
This page uses FishyHub's U.S. marketplace data over the period from October 2024 to October 2026: active listings by category (to identify the limited-supply tier), listed prices, listing momentum, and wishlists, likes and "my tank" saves for the betta categories where U.S. interest is measured. Findings are tiers and directions rather than figures. The U.S. market is new, so there is no U.S. order history in this data.
FishyHub does not report listings, buyers or sellers by state, so it cannot say which state has the most rare fish. Statements on import hubs, legal status and breeding are general hobby knowledge.
Frequently Asked Questions
Where can I buy rare aquarium fish in the U.S.?
Specialist importers, dedicated breeders and online marketplaces such as FishyHub, which ship nationwide by overnight courier. FishyHub does not track rare listings by state.
What are the rarest aquarium fish in the U.S.?
On FishyHub, limited-supply fish include black and jardini arowanas, datnoids, knifefish, giant halfmoon plakat bettas, and marine batfish, boxfish, jawfish, rays and sharks.
Can you buy an Asian arowana in the U.S.?
No. The Asian arowana is protected under U.S. law, so FishyHub's U.S. arowana listings are black, jardini and silver arowanas.
Why are giant halfmoon plakat bettas hard to find?
They take longer to raise and only some fish reach giant size. On FishyHub, U.S. demand for them clearly outpaces supply.
How to Cite This Page
Source: FishyHub, "Where Rare Aquarium Fish Are Most Available in the U.S." (2026), https://fishyhub.com/us/blogs/blog-detail/where-rare-aquarium-fish-are-most-available-in-the-us
