Go Back   Aquarium Advice - Aquarium Forum Community > Freshwater > Freshwater & Brackish - General Discussion
Click Here to Login

Join Aquarium Advice Today
Thread Tools Search this Thread Display Modes
Please support our sponsors and let them know you heard about them on AquariumAdvice.com
Old 09-21-2008, 07:50 PM   #1
Aquarium Advice Freak
Join Date: Oct 2007
Posts: 448

I've seen references to culling several times. I understand that culling is done to maintain the desired traits in a group of young fish, but I just wanted someone to confirm that it involves killing the other fish. How do you "cull" fish? It seems like a nice way to say you're going to kill the less than perfect fish. No judgment of course, just thought it was an interesting process.

acct closed at member request 10.04.2009

pw changed
Phoenixphire55 is offline   Reply With Quote
Old 09-21-2008, 09:36 PM   #2
Aquarium Advice Addict
bs6749's Avatar
Join Date: Jun 2006
Location: Paw Paw, MI
Posts: 2,493
Culling is a process that involves separating desireable fish from nondesireable fish and getting rid of the nondesireable ones by euthanizing them. Generally anything that is wrong with a fish such having a bad eye, deformed fins, being born with the wrong number of fins, growing at a rate conisderable faster or slower than the rest of the brood, and other scenarios would result in that fish being culled. Cullling doesn't always refer to killing unhealthy fish. Sometimes a breeder is looking to exploit a certain phenotype such as a different eye color for example. The breeder has no use for the other fish which lack this eye color and if he cannot find suitable homes for the healthy fish, they are culled as well. It takes resources to keep fish around and keeping unhealthy fish isn't worth it in the long run as it costs money, takes time, and weakens the gene pool as a whole. It is better to produce a dozen healthy and vibrant offspring from a brood of 300 than it is to have 250 inferior fish out of that same brood.
bs6749 is offline   Reply With Quote

Please support our sponsors and let them know you heard about them on AquariumAdvice.com

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Culling the herd SparKy697 Freshwater & Brackish - General Discussion 2 07-23-2007 01:44 PM
Culling the herd Skyrmir Freshwater & Brackish - General Discussion 1 07-03-2006 03:29 PM

» Photo Contest Winners

All times are GMT -4. The time now is 07:35 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2023, vBulletin Solutions, Inc.