[Coral-List] Lion fish question

[Douglas Fenner]

   There were mountains of evidence of the decline of Caribbean reefs long
before the invasion of lionfish.  But lionfish probably will have
additional effects on fish populations.  We have enough trouble without
them.
   Cheers,  Doug



On Wed, Apr 17, 2013 at 7:15 AM, Steve Mussman <sealab at earthlink.net> wrote:

>
>    This story is among many that has appeared recently in the main stream
>    media. It compares the impact
>    of lion fish to "a living oil spill".
>
> http://www.npr.org/2013/04/17/177359109/lionfish-attack-the-gulf-of-mexico-l
>    ike-a-living-oil-spill
>    My  question  is  what  scientific evidence is there that reduced fish
>    populations and / or reef decline
>    is directly related to the lion fish invasion?
>    Is it possible that lion fish are in fact becoming a convenient
> scapegoat?
>    I realize that they are likely contributing to the problem, but are we
>    overlooking other more prominent factors?
>    Natural predatory behavior seems to be developing as some reef species
> are
>    learning to feed on lion fish.
>    As far as I know reef fish are still abundant on the Pacific reefs where
>    lion fish are indigenous even though
>    they have few known predators in their natural surroundings.
>    I just returned from a Caribbean destination where it appeared obvious
> based
>    on my personal baseline that
>    the reefs are in decline. There were many lion fish spotted and
> speared, but
>    do we really know if the impact
>    of this invasive species is as profound as many are asserting?
>    Regards,
>     Steve
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