US$10,000 Grouper Meal
Dr. Steve Oakley
soakley at tualang.unimas.my
Fri Nov 29 05:35:35 EST 1996
These large groupers must be the most likely marine fish to actually become
1 They are rare
2 They have a sex change life history so that small fish cannot reproduce
3 They have restricted ranges Coral reefs with good food & caves amongst others
How frequently do they find a mate?
Do they have a spawning ground and associated migration or are they a
solitary rare beast with one or 2 per 100km2?
Does anyone know?
>comparative reproductive advantage of large fish over small? Jim Bohnsack has
>a nice diagram of this.
Gregor -- email address or reference please
Can reef scientists band together to suggest that
>national fisheries agencies restrict catch at the top-end of fish sizes for
That's the role of protected areas to allow some to grow to max potential
size. unfortunately at a probable natural maximum of 2 per km2. Marine
reserves are going to have to be huge to sustain a viable population How do
we get this across to fishermen, politicians, the general public? How do we
police areas of 100km2?
Dr. Steve Oakley, Shell Prof. of environmental Science, Institute of
Biodiversity & Environmental Conservation, Universiti Malaysia Sarawak,
94300 Kota Samarahan, Sarawak, Malaysia soakley at tualang.unimas.my Fax 082
671903 Tel 082 671000 x 254 or 260
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