Is the Shark (Squalus acanthias) Rectal Gland Contractile? Identifier: 12440 Title: Is the Shark (Squalus acanthias) Rectal Gland Contractile? Author: David H. EvansUniversity of Florida Ann C. HarrieUnity College, Unity, ME Date: 1998 Species: Squalus acanthiasSpiny dogfish Type: Bulletin, Report Bulletin: Volume 38 - 1998 Report: 18 Citation “Is the Shark (Squalus acanthias) Rectal Gland Contractile?,” MDI Biological Laboratory, accessed March 19, 2026, https://digitalarchive.mdibl.org/items/show/2343.Item 12440 Save this item as a PDF file