Hydrozoans (Phylum Cnidaria) are small, predatory animals, most of which are marine, but a few live in fresh water. [Cordylophora] is a c...
Diagnostic features – Hydrozoans (Phylum Cnidaria) are small, predatory animals, most of which are marine, but a few live in fresh water....
Bryozoans are coral-like animals in that they are colonial, building networks of branching tubes attached to the bed. The small animals (...
![[Cordylophora]. Image: Stephen Moore](/assets/Tools-And-Resources/Identification/freshwater-invertebrates/cordylophora_waipori_r_c_650__FillMaxWzMwMCwyMDBd.jpg)
![[Hydra]. Image: Stephen Moore](/assets/Tools-And-Resources/Identification/freshwater-invertebrates/hydra_ew_hu13ff_waikato_r_100kd_b_650__FillMaxWzMwMCwyMDBd.jpg)
