Case Study: Oeca Folded Dorsal Question???

Michael Williamson (
Mon, 20 Feb 1995 14:00:16

Return-path: <WHE_WILLIAM@FLO.ORG>
Received: from FLO.ORG by VMSVAX.SIMMONS.EDU (PMDF V4.3-10 #8767)
 20 Feb 1995 13:58:25 -0500 (EST)
Date: Mon, 20 Feb 1995 13:58:45 -0500 (EST)
From: Michael Williamson <WHE_WILLIAM@FLO.ORG>
Subject: Case Study: Oeca Folded Dorsal Question???
Message-id: <950220135845.51e5@FLO.ORG>
Content-transfer-encoding: 7BIT
From:	SMTP%"MARMAM@UVVM.BITNET" 20-FEB-1995 11:58:38.35
Subj:	Orca dorsals
Date:         Sun, 19 Feb 1995 12:09:04 -0800
Reply-To:     Marine Mammals Research and Conservation Discussion
Sender:       Marine Mammals Research and Conservation Discussion
Comments:     Warning -- original Sender: tag was rbaird@SOL.UVIC.CA
From:         Jim Moore <>
Subject:      Orca dorsals
To:           Multiple recipients of list MARMAM <MARMAM@UVVM.BITNET>
I went to SeaWorld yesterday, and in the video preamble to the Shamu show
they do a Q/A with the audience; one of the questions was something like
"why do some dorsal fins tilt over?".  The answer given was that each whale
is unique, some are folded, some not, both wild and captive (had a video
clip of a freeswimming whale with folded-over fin), and it has *nothing* to
do with condition, mood, status etc.  (Sorry I can't recall exact words).
The video went on to talk about how researchers use such individually unique
fins to ID wild orcas.
btw, the one [near] adult male has a markedly tilted but not yet folded-over
fin (he's 15).
Jim Moore   Anthropology-0101/UCSD/La Jolla CA 92093