Freshwater Consulting

Charles (Charlie2) Mitchell, Research Scientist and Freshwater Consultant CV Qualifications MSc (with distinction) Zoology) – Otago University, 1975. Professional Affiliations New Zealand Freshwater Sciences Society. Career Summary Charles has been a leader in research and management of New Zealand freshwater fisheries since 1973.  Original MSc work on the molecular taxonomy and evolution of galaxiid fishes […]

Waterways Restoration

Raglan EELS Ltd. is a leading Raglan based Ag research company which has been focused on developing successful, sustainable aquaculture and biological solutions to restore lowland wetland ecosystems, based at a complex of coastal research ponds at Raglan.

Nitro EELS Aquaculture Ponds

The “Nitro EELS” system was conceived to create new, highly productive ecosystems constructed using NZ native plants and animals supercharged by farm nitrate runoff. The Raglan EELS Ltd. intellectual property was developed to build and manage aquaculture ponds so they replicate prime wetland ecosystem functions for whitebait spawning and EEL rearing habitat.

Nitro EELS System

The primary goal of the “Nitro EELS” original proof-of-concept water management system has been to develop sustainable fisheries while achieving significant nitrogen and e-coli mitigation for farming and urban activities. This goal has been realised by harvesting valuable juvenile fish (whitebait, eels and mullet) attracted to the system’s zoo-plankton-rich discharges and then growing them to […]


At MAF Charles Mitchell had been responsible for restoring whitebait fisheries, but he could see it wasn’t going to happen within the confines of government research. “I could see the only way of researching restoration was to do it – and pay for it – myself.” He quit and then began to work on a […]

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Farm Drain Aquaculture

The Raglan EELS scientists have investigated techniques for recovering and utilising the nutrients inevitably lost into waterways.  If ecological restoration targets for our diminished and degraded lowland NZ waterways are to be realised, collection and management of nutrient-rich farm drainage so that it supports healthy, productive and valuable fish life BEFORE it leaves the farm […]

Raglan Surfing School New Zealand

Learn to surf at New Zealand’s most famous surfing town! During the initial 3 hour lesson, students are taken through the fundamentals of surfing, ocean awareness, water safety and care for the environment. The emphasis is on fun and safety to ensure a pleasurable ocean experience. Classes are designed to be mentally and physically interactive. […]

School camp New Zealand

  Raglan EELS is the provider of outdoor and environmental school camps in New Zealand. Last week we had the pleasure of being the host of 55 girls at our beautiful Karioi Lodge in Raglan. After Charlie (our most amazing chef) had cooked up tasty meals for them they were able to watch our residential […]

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Outdoor and Environmental School Camps | Alfriston visits Raglan

Last week Alfriston College visited Raglan for the second time this year. They were lucky with the weather, the kids were able to enjoy all their activities underneath the blazing sun. To say they had a busy schedule is an understatement, they really wanted to get the most out of their trip and visit as […]

Surf & ocean awareness in Raglan

While the temperature is slowly rising in Raglan, so are the waters we surf in! Soon we will have some real nice summer waves coming up on our surfing beach in Raglan. You probably already know that Raglan’s pointbreaks are one of the most famous surfing breaks in the world. Every year thousands of surfers […]