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The many looks of Apistogramma megastoma, a new cichlid

By Leonard Ho - Posted May 22, 2017 09:00 AM
Apistogramma megastoma is a new species of South American cichlid described from small forest streams in Peru. Like most of its congenors, the appearance of A. megastoma varies greatly depending on sex, mood, and social hierarchy.
The many looks of Apistogramma megastoma, a new cichlid

(above) Subdominant males subordinated by aggressive dominant females.

Apistogramma megastoma sp. nov is described by Uwe Römer et al. in Vertebrate Zoology (open access paper). A. megastoma is a mouth-brooder (only females are known to mouth-brood) and has an unusually large mouth compared to other Apistogramma cichilids, hence its name "megastoma," which means "big mouth."

Below are the many different appearances of the new species.

megastom(above) Dominant male in aggressive state.aMAdom.jpg
megastom(above) Dominant male in aggressive state.aMAdom.jpg

(above) Subdominant male in neutral state.
(above) Subdominant male in neutral state.

(above) Dominant male in neutral state.
(above) Dominant male in neutral state.

(above) Female in aggressive state.
(above) Female in aggressive state.

(above) Female in neutral state.
(above) Female in neutral state.

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.

Website: http://www.advancedaquarist.com.

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