Matano medaka
📖 Overview
Matano medaka (Oryzias matanensis) is a ray-finned fish of the family Adrianichthyidae. It inhabits freshwater waters. This species can reach a maximum total length of 5.5 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Near Threatened on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 8 - 9; Anal soft rays: 20 - 25. Distinguished from all other members of the genus by the combination of the following characters: 41-47 vertical rows of scales; 8-9 dorsal rays; 20-25 anal rays; and the distinctive color pattern of males . : elongated.
🌀 Behaviour
Behavioural data for Matano medaka is currently being reviewed.
🦐 Diet
Diet information for Matano medaka is currently being compiled.
🥚 Reproduction
From observation in an aquarium, females carry a cluster of about 15-20 eggs which were deposited among plants and floating objects. .
🌍 Habitat & Distribution
Freshwater; benthopelagic; pH range: 7.5 - 8.5; non-migratory. Tropical; 22°C - 25°C
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Oryzias Matanensis is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Detailed nutritional data for Matano medaka is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Matano medaka has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔍 Similar Species
👥 Community & Contribute
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