Peacock Gudgeon (Tateurndina ocellicauda) is a beginner-level freshwater fish that needs at least 20 gallons and 68-79°F. A small, colorful bottom-to-mid fish with a spotted tail and a pink-and-blue sheen. It is a calm, easy choice for a planted community tank with caves, and it will use a small cave to spawn.
Care facts at a glance
| Scientific name | Tateurndina ocellicauda |
|---|---|
| Family | Eleotridae |
| Origin | Papua New Guinea |
| Adult size | 3 in |
| Minimum tank | 20 gallons |
| Temperature | 68-79°F |
| pH | 6.5-7.8 |
| Temperament | Peaceful, shy |
| Social behavior | Pairs or small groups |
| Swim level | Bottom to mid |
| Difficulty | Beginner |
| Diet | Omnivore: small pellets, frozen foods, live foods, crushed flakes |
| Typical lifespan | 4-5 years |
Quick tips
- Provide small caves or pipes.
- Choose calm tankmates; larger fish steal the food.
- Offer sinking and frozen foods as well as flakes.
San Diego water
Tolerates San Diego's hard, alkaline tap water (pH roughly 7.6-8.6) with slow acclimation and a conditioner that handles chloramine. Learn the numbers in our San Diego tap water guide.
Before you buy
Make sure your tank is cycled (how to cycle a tank), check your numbers with the water testing guide, and use the compatibility guide to check tankmates. These are general ranges; individual fish and local water vary.
Find it at Pet Zone
Pet Zone Tropical Fish is a San Diego aquarium store with two locations. Stock changes daily, so call ahead if you are after a specific species or plant. Shop online at petzonesd.com.
4160 Convoy St, San Diego, CA 92111
(858) 987-0309
Open daily, 10am-6pm
Aquascaping, planted tanks
4266 University Ave, San Diego, CA 92105
(619) 283-1812
Closed Monday; Tue-Fri 10:30am-6pm, Sat 11am-6pm, Sun 11am-4pm
Monster fish, koi