Introduction fish culture

Question 1

What are the two most popular aquaculture species?

Answer 1

Carp (Cyprindis) - 3.8 MT annually (2012)

Tilapia (Cichlidis) - 1.5 MT annually (2002)

Question 2

What species of salmon is mostly farmed?

How much of it?

where are the main market?

Answer 2

90% farmed salmon is Salmo solar

1.4 MT annually

Main markets Japan, Europe, USA

Question 3

Name four seawater fish species that are commercially produced?

where are they farmed?

Answer 3

Red seabream (Pagrus major)

Japan, Taiwan, SE Asia

Gilthead seabream (Sparus aurata)

Mediterranian

European seabass (Dicentrachus labrax)

Mediterranian

Giant grouper (Epinephelus lancealatus)

Taiwan, Phillipines, SE Asia

Question 4

Name 4 potential fish species for future markets and how much their net worth in kg is

Answer 4

Cobia (Rachycentron canadum)

approxx 16 NZD/kg

Bluefin Tuna (Thynnusspp.)

up to approxx 10.000 NZD/kg

Yellowtail kingfish/Amberjack (Serioalspp.)

approxx 16 NZD

Wreckfish/hapuku (Polyprion spp.)

approxx 10 NZD/kg

Question 5

what drivers/demands does fish aquaculture supply?

Answer 5

Aesthetic pleasure

Nutritional supplementation

Commercial gain

Pest control

Conservation