CO2 Training benefits

NSP:074 Anthony Hafoka CO2 training benefits

Interview with Anthony Hafoka

Benefits of CO2 training for spearfishing | underwater hockey

  1. Fitness – better than altitude training
  2. Lose Weight
  3. Swimming and Movement in the water
  4. The Relaxation > Self Control Reflex
  5. Recovery Breathing
  6. Finning Exercise
  7. Increases Red Blood cell count and volume

Anthony joins us from New Zealand to chat about his experiences spearfishing and playing underwater hockey. This chat has some great insights about breathing, specifically surface intervals and recovery breathing. I enjoyed the stories and tips about blackout, training and thinking more seriously about buying a dive watch to help you keep a longer surface interval. If you would like to learn about CO2 training benefits then this is a good listen.

Anthony Hafoka CO2 Training Benefits. Spearfishing Interview

Karikari Peninsula. Pic taken by Phil Clayton

Time Stamps

5:00 Anthony Hafoka introduction and background

8:00 Obstacles spearfishing and some of the benefits/strengths he had going into it

9:00 Early mentors and opportunities

11:00 Can you share a story about a memorable spearfishing catch? 2 for 1

13:00 Snapper hunting?

  • How did you start successfully targeting them?
  • How do you hunt snapper effectively?
  • What techniques work consistently?
  • How do you burley or chum effectively?

21:00 What is the toughest situation in the ocean you’ve been in?

24:00 Veterans Vault: Benefits of CO2 training for spearfishing

  • Greater tolerance to higher levels of CO2 from playing Underwater Hockey and Rugby
  • What are physiological benefits of underwater hockey and rugby?
  • How do you recovery breathe?
  • What are some of the other benefits to playing underwater hockey and rugby?
  • What are your insights around surface intervals?

45:00 What is one of the funniest things you’ve seen out spearfishing?

48:00 What is in your spearfishing divebag?

51:00 Spearo Q&A


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Written by Shrek


Shrek is a Brisbane based Spearo, Podcast Co-Host and Blogger. Initially experiencing the underwater world through scuba diving, the hunter gatherer orientation quickly became apparent along with the enjoyment of breath-hold diving.



but what do you think? Did I miss anything?