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Scud
Hyalella azteca
Animalia›Arthropoda›Malacostraca›Amphipoda›Hyalellidae
📍 North America (widely distributed freshwater)
A tiny freshwater amphipod (scud) kept as a cleanup-crew detritivore or a self-sustaining live-food culture for fish. Harmless to plants, breeds readily in cool, well-oxygenated water with leaf litter or moss for cover; larger fish will hunt them, so keep a refuge if you want the colony to persist.
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Care Guide
Diet
Detritivore — grazes on detritus, biofilm, decaying plant matter and leftover food.
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Quick Facts
- care
- easy
- diet
- detritivore / biofilm
- note
- Live food + cleanup crew; culture in a refuge or breeding box if kept with fish that eat them.
Legality
No state or federal restrictions on record for this species.
Not legal advice, and possibly incomplete or out of date. Rules vary by state and locality and change over time — always confirm the current regulations with your state wildlife or agriculture agency before buying, keeping, or shipping this species.