Allfishes
Black Molly
Poecilia sphenops
The Black Molly has an elongated body. Females tend to be more rounded in appearance. The …
Freshwater
Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.
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Eastern mosquitofish
Gambusia holbrooki
The body of the Eastern mosquitofish is moderately elongated, not tall, and laterally compressed. It is …
Finescaled four-eyed fish
Anableps microlepis
Anableps: Greek, ana = up + Greek, blepo, blepsis, -eos = glance, sight.The elongated cylindrical body …
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 …
Least killifish
Heterandria formosa
Least killifish differ little in body shape from their closest relatives, the Poecilia. They have an …
Mosquitofish
Gambusia affinis affinis
The male anal fin is modified and is an intermittent organ for introducing sperm into the …
Porous seasonal killifish
Cynolebias porosus
The Porous seasonal killifish has a fusiform (spindle-shaped) body that is laterally compressed. The snout is …