Barry Mansell photo.

Scientific name: Regina septemvittata

Description: Average adult size is 14-23 inches (35.5-58.4 cm), record is 36 inches (91.4 cm). Adults are slender, brownish to olive-green, with a yellowish stripe on the lower side of a body. The belly is reddish with two rows of dark spots that converge to form a single stripe beneath the chin and tail. Some individuals may have a predominantly dark belly, or loose their distinctive striped pattern with age, which is only apparent near the head. The scales are keeled and there are 19 dorsal scale rows at midbody. The pupil is round. Juvenile coloratioin is similar to that of adults, but may exhibit three additional stripes along the length of the back.

Queen snake: Left to right: Top of the head (notice the large plate-like scales on the top of the head); underside of the head (chin and throat).

Queen snake: Left to right: Side of the head; front (face view) of the head.

Range: In Florida, it is found in the panhandle. Outside of Florida, it is found north to Wisconsin, Michigan, New York, and Canada. There are disjunct populations in Arkansas and Missouri.

Habitat: Uncommon, found in cypress strands, rivers, streams, creeks, and marshes.

Comments: . The queen snake is aquatic. It is occasionally found under rocks and logs near the water or basking in vegetation overhanging water.

Adults feed primarily on soft-shelled crayfish, but will eat other aquatic invertebrates, tadpoles, and fishes.

It is live-bearing, with 10-12 young born in the summer months.

Comparison with other species: The striped crayfish snake (Regina alleni) has an unpatterned belly and smooth scales. The Gulf crayfish snake (Regina rigida sinicola) has a thin black stripe within the yellowish stripe on the side of the body. The glossy crayfish snake (Regina rigida rigida) has faint, dusky stripes on the sides of the throat.

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