Reproduction
Object numberRCSHC/1045
Scientific nameMobula mobular
CollectionHunterian
CategoryWet preparations
DescriptionThe inner surface of one of the gill arches of a shark, showing a the gill rakers.
The minute complexity of the gill rakers in this shark is related to its diet of plankton.
Production date Estimated 1760 - Estimated 1793
Preparator
Owner/user
presented
Physical Location
LocationOn display in the Hunterian Museum, Room 4: The Long Gallery
Physical Information
Physical descriptionWet preparation of tissue mounted in a circular glass jar with a glass lid.
Materialglass (material)
Cephaloptera
Dimensions
whole height: 207 mm
whole diameter: 115 mm
whole weight: 2502 g
whole diameter: 115 mm
whole weight: 2502 g
Bibliography
SourceDobson 1970-71
Transcript1045: The inner surface of one of the gill arches of a Shark (Cephaloptera manta), showing a complex filter of gill rakers. Each gill raker consists of a plate set transversely to the length of the gill arch and projecting towards the cavity of the pharynx. The free margin of the plate is produced on either hand to form a series of dentate processes, presenting, in conjunction with the similar processes of neighbouring arches, a smooth surface towards the pharynx traversed by a multitude of fine passages. This species of Shark feeds on plankton. Leon Vaillant: Bull. Mus. Nat. Paris, 1912, p. 287. 'Sur la disposition de l'appareil branchiale chez Cephaloptere.'
