From: /m 

On Thu, 24 Aug 2006 22:27:45 +0100, Adam
<""4thwormcastfromthemolehill\"{at}the field.near the
bridge"> wrote:

>David B wrote:
>>
>> "Adam <""thwormcastfromthemolehill\"{at}the
field.near the bridge">" wrote
>> in message news:44e97c00$1{at}w3.nls.net...
>>> /m wrote:
>>>> On Sun, 20 Aug 2006 10:37:05 +0100, Adam
>>>> <""4thwormcastfromthemolehill\"{at}the
field.near the bridge"> wrote:
>>>>
>>>>> /m wrote:
>>>>>> http://www.randsinrepose.com/assets/gulp.jpg
>>>>>>
>>>>> It's a dolphin.
>>>>
>>>> The text around the picture indicated that it might be.  I
was wondering
>>>> if anyone here would know.  :)
>>>>
>>>>  /m
>>>
>>> Fin shape, tail shape.
>>>
>>> Dive into that wave & give it a hug.
>>>
>>> Adam
>>
>> Yep. Horizontal tail is a giveaway (mammalian- fish are vertical.) I am
>> not sure I'd recommend a hug for it, though. They can be feisty and hard
>> on you also...
>
>Dorsal fin is definitely not shark & definitely dolphin. Possibly a very
>large porpoise.
>
>But most I've ever met in the water have been good natured (even in groups).

I saw this TV presentation.  Dolphins can get nasty.
http://channel.nationalgeographic.com/channel/ET/popup/200608011200.html

 /m

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