Morse Code Tetra
Morse Code Tetra
Morse Code Tetra (Hemigrammus sp.) is an unconfirmed Hemigrammus species traded under the descriptive name 'Morse Code' — the pattern of dark dots and dashes along the lateral line resembles the dots and dashes of Morse code telegraphy. A trade name fish with collector appeal.
Feeding & Care Tip: Sera Vipan Tropical Flakes and Hikari Micro Pellets make excellent daily staples. Supplement 2–3× per week with Hikari Frozen or Freeze-Dried Bloodworms, Hikari Frozen or Freeze-Dried Baby Brine Shrimp, or Hikari Vibra Bites. Feed small amounts 2–3 times daily.
Origin from South American streams — exact species and locality unconfirmed. Standard soft, slightly acidic water conditions preferred.
Keep in groups of at least 8. The distinctive dot-dash pattern is most visible under good lighting. Peaceful community tetra.
An attractively named trade fish with a distinctive and unusual marking pattern.
Care & Ideal Parameters
| Difficulty | Easy |
| Temperament | Peaceful — schooling community |
| Typical Adult Size | 2.0 inches (5 cm) |
| Min. Group Size | 8 minimum |
| Ideal Temp | 73–82°F (23–28°C) |
| Ideal pH | 6.0–7.5 |
| Ideal GH | 3–12 dGH |
| Ideal KH | 1–6 dKH |
| Staple Food | Sera Vipan Tropical Flakes; Hikari Micro Pellets |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Bloodworms; Hikari Frozen or Freeze-Dried Baby Brine Shrimp; Hikari Vibra Bites |
| Origin | South America (exact species unconfirmed) |
| Notes | Hemigrammus sp. — unconfirmed. Dot-dash Morse code pattern along lateral line. |