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How closely related are ram cichlids and sunfish?


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#1 Betta132

Betta132
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  • San Gabriel drainage area

Posted 28 May 2016 - 02:23 PM

I have (among other things) a baby sunfish and a ram cichlid in the same tank, as I'm trying to grow out the sunfish in a warm environment, and their behavior is incredibly similar. Same swoop-and-pause method of exploring, same expressions of curiosity, unease, and aggression, same curiosity, even the same way of eating. Also, their fin arrangement is just about identical, and they both start out reasonably slender as babies and then get progressively taller-bodied as they grow up. 

I know sunfish and cichlids are at least somewhat related, but are rams closer than the others? Because if I didn't know any better, and I saw a baby sunfish and a ram, I'd think one was some variant of the other. 



#2 centrarchid

centrarchid
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Posted 28 May 2016 - 09:56 PM

See link on cichlids.  Origin about K-T boundary. Sunfish emerged separately at about same or more recently.  Both groups have closest kin that are marine.

 

Cool question as how such groups came to prominence then and survived the event..


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#3 centrarchid

centrarchid
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Posted 29 May 2016 - 06:26 AM

Link for above.

 

http://rspb.royalsoc...0/1770/20131733


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#4 wargreen

wargreen
  • NANFA Member

Posted 11 June 2016 - 09:59 PM

Great article, thanks for posting!





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