tubifex
Red sludge worms
Tubifex are small, thread-like freshwater worms that live in sediment, often in dense, writhing colonies.
They thrive in polluted or oxygen-poor waters, making them indicators of poor water quality.
Tubifex are commonly sold as live food for aquarium fish: The pet store was out of tubifex.
Aquarium pet sustenance
- fishbaitAngling attractant material
- discusHeavy disc for throwing
- bettaOrnamental freshwater fish
- cichlidDiverse freshwater fish family
freeze-dried · frozen · cultured · harvested · nutritious · protein-rich · feeding · bloodworm
Non-saline aquatic environment
- streamSteady continuous flow
- aquariumTank for keeping fish
- benthicOf the sea bottom
- substrateUnderlying supporting material
sediment · silt · mud · pond · lake · riverbed · stagnant · murky
Species showing ecosystem health
- sewageLiquid refuse in drains
- sludgeSemi-solid waste material
- eutrophicationExcess nutrients depleting oxygen
- decomposerOrganism breaking down corpses
Segmented worm phylum member
- invertebrateAnimal sans backbone
- segmentedDivided into sections
- hemoglobinErythrocyte's oxygen-binding protein
- redPrimary color, warm
colonial · clump · cluster · wriggling · burrowing · hermaphrodite · regeneration · bristleworm
fishfood
Aquarium pet sustenance
cichlid · freeze-dried · frozen · cultured · harvested · nutritious · protein-rich · feeding · bloodworm
freshwater
Non-saline aquatic environment
substrate · sediment · silt · mud · pond · lake · riverbed · stagnant · murky · bottom-dwelling
bioindicator
Species showing ecosystem health
- sewageLiquid refuse in drains
- sludgeSemi-solid waste material
- eutrophicationExcess nutrients depleting oxygen
decomposer · detritivore · ecosystem · detritus · biodegradation
annelid
Segmented worm phylum member
- invertebrateAnimal sans backbone
- segmentedDivided into sections
- hemoglobinErythrocyte's oxygen-binding protein
red · colonial · clump · cluster · wriggling · burrowing · hermaphrodite · regeneration · bristleworm · setae