This is a common bully with an encysted glochidia on the tip of the dorsal fin and another attached to the top lip (the bigger white dot near the eye is a cyst).
Two Kakahi showing beautiful colorations.
Ebi installing Kakahi survey transects in Lake Rototoa
Mike passing sediment cores to the surface support boat
Benthic algae samples from Lake Pupuke
Targeted continuous water quality profiling using a YSI EXO 1 water quality probe
Lake Pupuke at golden hour
Ebi gearing up to check on the sensors
Ebi measuring Kakahi bed dimensions in Lake Rototoa
Mike sampling deep water sediment from Lake Pupuke
Lake Kohwai
Installing the first Lake Pupuke monitoring station
The hard walk back out of Lake Pupuke
Lowering our very first monitoring station into the water
Ebi measuring freshwater mussels in Lake Rototoa
Dune Lake in West Auckland- New Zealand
Ebi sampling benthic cyanobacteria in Lake Pupuke
Servicing temperature and dissolved oxygen sensors in Lake Pupuke
Installing new dissolved oxygen sensors in Lake Pupuke
Ebi & Russell at the Mayoral Conservation Awards Ceremony
Installing mid-water sediment traps at Lake Pupuke
Mike taking a deep water sediment core from 30 m in Lake Pupuke
Our new dissolved oxygen sensor rig designed to measure sediment oxygen concentrations
Building our PAR rigs that will measure light penetration through the water column
Splitting sediment cores with the Cawthron Institute, these cores provide insight into historic lake condition
This is a fruiting head of Nitella leonhardii, you can see mucus enclosing the fruiting bodies (female oogonia and male antheridia).
Ebi equipped for a 3 hour survey dive
Tyler mapping large mussel beds in Lake Rototoa
Lake Rototoa on a deserted week day
Calibrating pH loggers that will continuously measure pH every 15 minutes
A drone helping us take subsurface visibility reading
On the way back from a macrophyte survey
Taking reference checks for our in-situ dissolved oxygen sensors
A PAR sensor at 1 m used to measure the amount of light penetration in the surface water
A surface PAR sensor that measures the ambient light on the surface. This sensor is used as a reference for the subsurface sensors at various depths.
A PAR sensor at 30 m covered by organic silt, we had to clean these deeper sensors every week to keep them operational
Todd, Russell, Louise & Ebi Getting ready to take some sediment cores
Todd using a sediment core to sample multiple layers of sediment
Lake Rototoa on a busy summers day
A mid water monitoring station measuring dissolved oxygen, temperature and PAR
We discovered the first ever mid-water hydrogen sulphide layer in a New Zealand lake and it was in Lake Pupuke
Getting ready to take water quality and phytoplankton samples from the newly discovered hydrogen sulphide layer in Lake Pupuke
Tyler retrieving one of our PAR sensors to download the data
The three dominant size classes of Echyridella menziesii in Lake Rototoa
Monitoring seasonal macrophyte extent using fixed transects
Amanda & Maddy taking subsurface visibility measurements at Lake Pupuke
Lake Whakatipu - South Island NZ
Continuous pH, dissolved oxygen & temperature sensors at Lake Tomarata
Lake Slipper - One of the Three Te Arai lakes
Shallow freshwater mussel (kakahi) beds in Lake Rototoa
Ebi noting quadrat observations and metadata during a kakahi survey
pH sensor continuously monitoring sediment pH conditions which is crucial to understanding lake dynamics
Tyler servicing a continuous pH sensor on the Lake Pupuke monitoring station