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To: A.APPLEYARD@fs*.mt*.um*.ac*.uk*
Subject: Re: great white sharks (was: Re: diving physio tidbits)
From: Richard Pyle <deepreef@bi*.bi*.ha*.or*>
Cc: techdiver@opal.com
Date: Thu, 9 Jun 1994 07:18:55 +22305714 (HST)
On 1 Jun 1994 A.APPLEYARD@fs*.mt*.um*.ac*.uk* wrote:

>   >> Carcharodon carcharias (The Great White, or White Pointer) has eaten (not
> 
>   Are sharks the only sea animal dangerous to man as a predator rather than as
> a stinger? In the 1960's I read a few times of supergiant groupers swallowing
> snorkellers, and of one such victim that managed to escape through its gills.
> I read a small article in a 1960's or 1970's issue of `Skin Diver' (a USA
> scuba diving magazine) of a supergiant grouper trying to swallow a scuba
> diver: it suddenly rushed out of ambush and sucked him completely into its
> mouth, fins and all, but ejected him alive with his cylinder dented right in
> by the heavy crushing teeth on the inside of its gill cage.

The critter of which you speak is Epinephelus lanceolatus (throughout the
Indo-Pacific, anyway; the Carribean jewfish is another species).  It can
get about 10 feet long and more than 400 kg.  I've heard reports on one
living under a pier in New Guinea that devoured a couple of kids, and
there are also unconfirmed attacks on pearl divers.  I've been "inspected"
by this species in a manor similar to the way I've seen groupers approach
prey items in aquaria.  When I've seen them, I generaly try to keep my
distance.

 Arthur C.Clarke in
> a book "The Reefs of Taprobane" that he wrote about one of his diving
> expeditions, wrote that in the Elphinstone Inlet on the coast of Ceylon (now
> Sri Lanka) in an enormous sunken `floating dock' he saw a grouper over 20 feet
> long, and 4 feet wide side to side, and in his opinion able to swallow a scuba
> diver whole, cylinder and all.

20 feet long sounds like an over-estimation.  They are about 4 feet wide
when they are 10 feet long, and at that size could easily engulf a diver.

Aloha,

Rich

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