Longnose gar
Lepisosteus osseus
- Tank length
- 466 cmabout 15 ft (184 in)
- Start with
- 1
- Temperature
- 12–25 °C54–77 °F
- pH
- 6–8
- Adult size
- 78 cm31 in
- Lifespan
- 15–25 yrs
Grows far beyond most home tanks and needs a huge turning circle; realistically a pond or public-aquarium fish.Grows far beyond most home tanks and needs a huge turning circle; realistically a pond or public-aquarium fish.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
Longnose gar may eat Acei cichlidLongnose gar may eat Acei cichlid
- African butterfly cichlid
Longnose gar may eat African butterfly cichlidLongnose gar may eat African butterfly cichlid
- African clawed frog
Longnose gar may eat African clawed frogLongnose gar may eat African clawed frog
- Agassiz's cory
Longnose gar may eat Agassiz's coryLongnose gar may eat Agassiz's cory
- Ajamaru rainbowfish
Longnose gar may eat Ajamaru rainbowfishLongnose gar may eat Ajamaru rainbowfish
Amano shrimpLongnose gar may eat Amano shrimpLongnose gar may eat Amano shrimp
- American flagfish
Longnose gar may eat American flagfishLongnose gar may eat American flagfish
- Angfa rainbowfish
Longnose gar may eat Angfa rainbowfishLongnose gar may eat Angfa rainbowfish
- Arfak rainbowfish
Longnose gar may eat Arfak rainbowfishLongnose gar may eat Arfak rainbowfish
Assassin snailLongnose gar may eat Assassin snailLongnose gar may eat Assassin snail
- Banded gourami
Longnose gar may eat Banded gouramiLongnose gar may eat Banded gourami
- Bandit cory
Longnose gar may eat Bandit coryLongnose gar may eat Bandit cory
Data used by the planner
| Temperature | 12–25 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 6–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Hardness (dGH) | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Origin | Eastern North America from Quebec to the Gulf of Mexico | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | advanced | curated-v0 (needs expert review) · medium confidence |
| Activity | active | curated-v0 (needs expert review) · medium confidence |
| Swimming level | top | curated-v0 (needs expert review) · medium confidence |
| Temperament | predatory | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | curated-v0 (needs expert review) · medium confidence |
| Territorial | No | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | No | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 1 | curated-v0 (needs expert review) · medium confidence |
| Diet | carnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 15–25 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 48 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 450 | curated-v0 (needs expert review) · medium confidence |