Ostracods are small (less than 3mm long) swimming crustaceans that resemble small seeds. The entire body is contained within a bivalved c...
[Lepidurus] is a primitive crustacean rarely seen in New Zealand fresh waters. They have a shape reminiscent of horseshoe crabs although ...
[Sinelobus] (formerly [Tanais]) is one of the few freshwater members of the Order Tanaidaceae. The body is reminiscent of a slender isopo...
Cladocerans are often referred to as water fleas and they are commonly used in the aquarium trade as fish food. They are small (less than...
![[Lepidurus]. Image: Stephen More](/assets/Tools-And-Resources/Identification/freshwater-invertebrates/lepidurus_patea_650__FillMaxWzMwMCwyMDBd.jpg)
![[Sinelobus]. Image: Stephen Moore](/assets/Tools-And-Resources/Identification/freshwater-invertebrates/sinelobus_mar_06_45xmontage_b_650_na__FillMaxWzMwMCwyMDBd.jpg)
![[Cladocera]. Image: Stephen Moore](/assets/Tools-And-Resources/Identification/freshwater-invertebrates/cladoceran_ew_hu4ff_waikato_r_100xbmontage_b_650_na__FillMaxWzMwMCwyMDBd.jpg)