Allfishes
Black Molly
Poecilia sphenops
The Black Molly has an elongated body. Females tend to be more rounded in appearance. The …
Aquarium fish
Showing 1–6 of 6
Green swordtail
Xiphophorus hellerii
Green swordtails have elongated, narrow bodies that are flattened on the sides. They also have large …
Guppy
Poecilia reticulata
Guppies exhibit pronounced sexual dimorphism, with males and females differing in size, shape, and colouration. Males …
Paradise fish
Macropodus opercularis
This species exhibits sexual dimorphism. Males are larger than females and possess elongated filaments on their …
Porous seasonal killifish
Cynolebias porosus
The Porous seasonal killifish has a fusiform (spindle-shaped) body that is laterally compressed. The snout is …
Wrestling halfbeak
Dermogenys pusilla
The wrestling halfbeak has a slender, elongated body with a distinctive extended lower jaw that forms …