Is the Shark (Squalus acanthias) Rectal Gland Contractile? Identifier: 12440 Title: Is the Shark (Squalus acanthias) Rectal Gland Contractile? Author: David H. Evans, University of Florida Ann C. Harrie, Unity College, Unity, ME Date: 1998 Species: Squalus acanthias Common Name: Spiny dogfish Type: Bulletin, Report Bulletin: Volume 38 - 1998 Report: 18 Citation “Is the Shark (Squalus acanthias) Rectal Gland Contractile?,” MDI Biological Laboratory, accessed December 21, 2025, https://digitalarchive.mdibl.org/items/show/2343.Item 12440 Save this item as a PDF file