Silver eye
📖 Overview
Silver eye (Polymixia japonica) is a ray-finned fish of the family Polymixiidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 30 cm. It occurs at depths between 160 and 628 metres. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List. Valued as a sport fish.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 31 - 35; Anal spines: 4; Anal soft rays: 13 - 17; Vertebrae: 29. : fusiform / normal.
🌀 Behaviour
Behavioural data for Silver eye is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; benthopelagic; depth range 160 - 628 m . Deep-water; 40°N - 6°N, 97°E - 154°W East China Sea; Chesterfield Islands (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Japanese Beardfish · Silver eye · silver eyes |
| 🇯🇵Japanese | Gimmedai · Ginmedai · ギンメダイ |
| 🇷🇺Russian | Японская барбуда (полимиксия) |
📚 Scientific References
13 publications cited
- Froese, R. and Pauly, D. (Editors) (2024). FishBase. World Wide Web electronic publication. FishBase Consortium. Link ↗
- IUCN (2024). The IUCN Red List of Threatened Species. Version 2024-1. International Union for Conservation of Nature. Link ↗
- GBIF Secretariat (2024). GBIF Backbone Taxonomy. Checklist dataset. Global Biodiversity Information Facility. DOI ↗
- USDA Agricultural Research Service (2024). FoodData Central. USDA National Nutrient Database. United States Department of Agriculture. Link ↗
- FAO Fisheries and Aquaculture Department (2024). The State of World Fisheries and Aquaculture. Food and Agriculture Organization of the United Nations. Link ↗
- 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 ↗
- Nelson, J.S., Grande, T.C., Wilson, M.V.H. (2016). Fishes of the World. 5th edition. John Wiley & Sons.
- 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.
- 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 ↗
- Halstead, B.W., Auerbach, P.S., Campbell, D. (1988). A Colour Atlas of Dangerous Marine Animals. Wolfe Medical Publications. Wolfe Medical.
- Balon, E.K. (1975). Reproductive Guilds of Fishes: A Proposal and Definition. Journal of the Fisheries Research Board of Canada, 32(6), 821-864.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 75 records indexed .
👥 Community & Contribute
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