Summary of Capture and Release Data of Sevengill Sharks, Notorynchus cepedianus

(Photograph included if ID is underlined, Life history parameter summary)
DigiMorph Notorynchus cepedianus Broadnose Sevengill Shark
VanDykhuizen and Mollet 1992 (Download PDF)


ID., sex (name) Date received TL(m)*/W(kg) when received Est. age when received (yr) Capture information Date released TL(m)/W(kg) when released Release information, comments
J1, F (Jackie) Fall 1984 1.20/7.0 (10/24/85) 1.5 (10/24/85) from Steinhart Aquarium Aug 30, 90 1.84/33.4 released (snout damage)
J7, M (Jack) Jun 17, 91 0.47/0.384 (MSI data, 5/17/91) 0.2 SF Bay near Redwood City by MSI on May 03, 91; rec. from Steinhart Aq. on 6/27 Dec 24, 92 (died) 1.08/5.1 killed by adult female sevengill shark during feeding on 12/24/92
J8, F (Notch) Apr 07, 92 0.50/0.43 0.0 off Santa Cruz (otter trawl) Jun 18, 96 1.51/18.1 survived bite by giant octopus on 4/12/93 at TL= 1 m (W = 4 kg); saved by diver G. Wuttken
A1, M (Blacky) Jun 11, 84 2.20/50.9 (9/30/86) 18-23 Humboldt Bay (longline) Jan 26, 90 2.21/53.4 released (snout damage)
A8, F (Emma) Jul 23, 90 2.98/no W 30-40 Humboldt Bay (longline) Jun 16, 94 no data released(snout damage), only captive with feeding instincts of wild adult
A10, F (Frankie) Jan 22, 96 2.51/85 25-35 San Francisco Bay, at 40 m depth (bottom) Mar 12, 96 no data Released (snout damage)
*Over the curve measurement

Created March 1995, revised June 1996.

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