Aquatic oligochaete worms - LIFE IN FRESHWATER

Aquatic oligochaete worms
(phylum Annelida, subclass Oligochaeta)

Sludge worms (Tubifex tubifex):

Aquatic oligochaete worms (Chaetogaster):

Aquatic oligochaete worm (Chaetogaster sp.)

Aquatic oligochaete worm (Chaetogaster sp.)

Aquatic oligochaete worm (Chaetogaster sp.)

Aquatic oligochaete worms (Ophidonais serpentina):

Aquatic oligochaete worm (Ophidonais serpentina)

Aquatic oligochaete worm (Ophidonais serpentina)

Aquatic oligochaete worm (Ophidonais serpentina)

Aquatic oligochaete worm (Ophidonais serpentina)

Aquatic oligochaete worm (Ophidonais serpentina)

Naiadid worms (Dero digitata):

Naiadid worm (Dero digitata)

Naiadid worm (Dero digitata)

Sludge worms (Nais elinguis):

Sludge worm (Nais elinguis)