Northern medaka
📖 Overview
Occurs in ponds, marshes, and streams, such as irrigation canals amid paddy fields in flat alluvial lowlands. Well adapted to aquatic life on temporary floodplain wetlands .
🔬 Taxonomy
🐟 Physical Description
Oryzias sakaizumii is distinguished from all other congeners including O. latipes that are distributed throughout east Asia by the following combination of characters: distribution of melanophores, dense network of melanophores along each scale margin on the body surface in both sexes; depth of notch in membrane between dorsal-fin rays 5 and 6 less than half the length of rays in males; distinctive irregular black spots on the posterior portion of body lateral; and several silvery scales in patches on the posterior portion of the body .: elongated.
🌀 Behaviour
Behavioural data for Northern medaka is currently being reviewed.
🦐 Diet
Diet information for Northern medaka is currently being compiled.
🥚 Reproduction
Reproduction data for Northern medaka is currently being compiled.
🌍 Habitat & Distribution
Freshwater; pelagic. Tropical; 36°N - 35°N, 136°E - 137°E
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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