Banded killifish

Description

The banded killifish has an olive color on the dorsal surface and white coloring on the ventral.The throat and fins are yellowish.There are vertical blackish and silver-white stripes along the sides. There are 13–15 rays on a banded killifish's dorsal fin and 10–12 on the anal fin.The homocercal tail is slightly convex or rounded.It also has a small pelvic fin along the abdomen.The body is slender and elongated,with a flattish side and flattened head and small terminal mouth positioned for surface feeding.The banded killifish has a row of small sharp teeth lining their upper and lower jaws.It does not have a lateral line along the side but does have 39 to 43 cycloid scales in the lateral series. The average banded killifish ranges from 10 to 13 cm in length and weighs a few grams.The females tend to grow larger than the males.They also have darker bands on the sides.In contrast,the males have pale gray bands that are close together.The numbers of bands on the dorsal fin of a banded killifish is useful in determining the sex of this species