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💧 Freshwater Least Concern 🍽️ Edible 🐠 Aquarium 🌡️ Tropical

aquarium

Hemigrammus rodwayi Durbin, 1909
Max Length
5.3 cm
Max Weight
-
Lifespan
4 yrs
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Particularly abundant in coastal creeks and floodplains where it is supported by a certain salinity level. It is vulnerable to a trematode parasite which induces a characteristic cutaneous reaction. Reproduction in captivity has been successful . Maximum length questionable .

Scientific Name
Hemigrammus rodwayi
Authority
Durbin, 1909
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
5.3 cm
Lifespan
4 years
Trophic Level
3.3
Resilience
Medium
Vulnerability
10.00/100
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for aquarium is currently being compiled.

🌀 Behaviour

Behavioural data for aquarium is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 6.3 - ? ; dH range: ? - 12. Tropical; 24°C - 28°C South America: Rivers of Guyana, Suriname, French Guiana, and Amazon River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01259 × L3.05 (TL)
Max TL
5.3cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Durbin, 1909

🍽️ Edibility & Flavour

"aquarium is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Detailed nutritional data for aquarium is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for aquarium has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact
✓ Sustainable Choice

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Golden Tetra · Rodway's tetra
🌍CES tetra Rodwayova
🇩🇪German Glanztetra · Goldtetra · Messingsalmler
🇯🇵Japanese ゴールデンテトラ
🇷🇺Russian Вишневая тетра · Золотая тетра · Тетра Родвэя

Scientific Synonyms

Scientific Name Author Year Status
Hemigrammus armstrongi Schultz & Axelrod 1955 Synonym

📚 Scientific References

13 publications cited

General
  1. Froese, R. and Pauly, D. (Editors) (2024). FishBase. World Wide Web electronic publication. FishBase Consortium. Link ↗
Conservation
  1. IUCN (2024). The IUCN Red List of Threatened Species. Version 2024-1. International Union for Conservation of Nature. Link ↗
Taxonomy
  1. GBIF Secretariat (2024). GBIF Backbone Taxonomy. Checklist dataset. Global Biodiversity Information Facility. DOI ↗
Nutrition
  1. USDA Agricultural Research Service (2024). FoodData Central. USDA National Nutrient Database. United States Department of Agriculture. Link ↗
Fishery
  1. NOAA Fisheries (2024). FishWatch: U.S. Seafood Facts. National Oceanic and Atmospheric Administration. Link ↗
  2. Monterey Bay Aquarium (2024). Seafood Watch Recommendations. Monterey Bay Aquarium Foundation. Link ↗
Aquaculture
  1. FAO Fisheries and Aquaculture Department (2024). The State of World Fisheries and Aquaculture. Food and Agriculture Organization of the United Nations. Link ↗
Distribution
  1. Kaschner, K., Kesner-Reyes, K., Garilao, C., Segschneider, J., Rius-Barile, J., Rees, T., Froese, R. (2024). AquaMaps: Predicted range maps for aquatic species. AquaMaps. Link ↗
Ecology
  1. Nelson, J.S., Grande, T.C., Wilson, M.V.H. (2016). Fishes of the World. 5th edition. John Wiley & Sons.
Behavior
  1. Helfman, G.S., Collette, B.B., Facey, D.E., Bowen, B.W. (2009). The Diversity of Fishes: Biology, Evolution, and Ecology. 2nd edition. Wiley-Blackwell.
Morphology
  1. Froese, R. (2006). Cube law, condition factor and weight-length relationships: history, meta-analysis and recommendations. Journal of Applied Ichthyology, 22(4), 241-253. DOI ↗
Toxicology
  1. Halstead, B.W., Auerbach, P.S., Campbell, D. (1988). A Colour Atlas of Dangerous Marine Animals. Wolfe Medical Publications. Wolfe Medical.
Reproduction
  1. Balon, E.K. (1975). Reproductive Guilds of Fishes: A Proposal and Definition. Journal of the Fisheries Research Board of Canada, 32(6), 821-864.

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 83 records indexed .

Occurrence density from GBIF View GBIF records ↗

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