[Nhcoll-l] many specimens in one jar

[Dirk Neumann]

... just adding: if you individualise these inside the lot (because they have been tissue sampled), you can separate these individuals, e.g. by putting small fish into glass tubes inside the jar, or by tagging them with the tissue number (i.e. putting a small label behind the gill cover so that it won't slip).

Also in fluid insect collections (e.g. flies) or arthropods (e.g. spiders), specimens or even entire lots are placed in glass tubes.

All the best
Dirk


Am 07.12.2022 um 15:41 schrieb Bentley, Andrew Charles:
Lennart

This is a common issue in ichthyology collections that, unlike most other collections that work on a specimen basis, work on a lot basis where all specimens of the same species, collected at the same time and place by the same person are cataloged as a single unit in the database and a count is associated with the type of unit (ethanol specimens, skeletons, tissues, etc.) usually known as preparations.  So, we have a single catalog number in our database for a lot that may have anywhere from 1 to hundreds of specimens.  You can see an example of this here for one of the specimens in my collection:  https://ichthyology.specify.ku.edu/specify/bycatalog/KUI/22858/.  In this example you will see that I have 80 ethanol specimens and 6 cleared and stained specimens all cataloged under the same catalog number – 22858.  If a specimens is reidentified from that lot I can re-catalog it as a separate number and change the counts accordingly.  This also allows me to loan individual specimen(s) from a lot.  What this does not allow me to do however, is store unique information about each individual specimen in a lot which is sometimes useful – e.g. where a tissue has been taken from an individual or it has been imaged or CT scanned.  In those cases we use individual tags (with a tissue number) for specimens to indicate this.

Hope that helps

Andy
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Andy Bentley
Ichthyology Collection Manager
University of Kansas
Biodiversity Institute
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From: Nhcoll-l <nhcoll-l-bounces at mailman.yale.edu><mailto:nhcoll-l-bounces at mailman.yale.edu> On Behalf Of Lennart Lennuk
Sent: Wednesday, December 7, 2022 1:44 AM
To: nhcoll-l at mailman.yale.edu<mailto:nhcoll-l at mailman.yale.edu>
Subject: [Nhcoll-l] many specimens in one jar

Hi!

What is your practices preserving many specimens in one jar. It is quite impossible to mark them all with ID ohter than butting every specimen separately into glasstube. What might be the problems if there are for example 10 individuals of Palaemon in one jar and the ID-s are only on the main label?

Should we count each individual as specimen or should we take them as unit and describe in database how many individuals one unit holds?

Best regards!
Lennart Lennuk
Head of collections
Estonian Museum of Natural History
+372 6603404, 56569916




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Stiftung Leibniz-Institut zur Analyse des Biodiversitätswandels
Postanschrift: Adenauerallee 127, 53113 Bonn, Germany

Stiftung des öffentlichen Rechts;
Generaldirektion: Prof. Dr. Bernhard Misof (Generaldirektor), Adrian Grüter (Kaufm. Geschäftsführer)
Sitz der Stiftung: Adenauerallee 160 in Bonn
Vorsitzender des Stiftungsrates: Dr. Michael Wappelhorst
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