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Products/Biology/Specimens/Preserved Specimens/Animals (Non Mammals)

SKU: PM1.302

Dogfish, double injected, preserved in formalin, packed in Carosafe

 

Description: PM1.302 is a double injected Dogfish specimen preserved in Formalin and packed in Carosafe. Double injection specimens have the arteries injected with red latex and the hepatic system with yellow latex. Carosafe® is Carolina Biological's proprietary shipping and holding fluid for specimens that have been previously fixed in formalin. Although specimens are first preserved with a formalin solution, they are then washed and placed in formaldehyde-free Carosafe®. Holding the specimen in Carosafe® reduces the presence of formaldehyde residues left over from the initial preserving process, thereby diminishing or eliminating unpleasant odor. This produces a formalin-preserved specimen that, when dissected, minimizes student and educator exposure to formaldehyde. 

The spiny dogfish shark, a member of the class Chondrichthyes, is a popular dissection specimen in general biology and anatomy courses. It is useful for learning about cartilaginous fish and for studying comparative and vertebrate anatomy. Mature specimens allow for a thorough investigation of adult structures and the larger size is ideal for students working in pairs or small groups. Characteristics of the shark are intriguing to student, including: Cartilaginous skeleton, five pairs of gill slits and the lack of a swim bladder and operculum.

 

Qty: 1 Dogfish

 

Notes

  • Carosafe® specimens should be washed before use and dissected in well ventilated rooms with appropriate hand, eye and body protection. 
  • For best results, carefully unpack your delivery of preserved specimens as soon as it arrives. Store the specimens in the dark in a single layer on a flat surface. A drawer or cupboard shelf is ideal. Do not refrigerate.
  • Avoid stacking the specimens on top of each other or otherwise putting weight on them. Undue pressure can cause breakages in brittle specimens such as crayfish and grasshoppers, and can cause deformation of soft-tissue specimens such as brains and kidneys.

 

 

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