Appearance▲ Back to topThe Mink Frog is a small frog, growing up to 4.8 to 7.6 cm . The dorsum is generally green in color, with darker green and brown blotching and the belly is a cream, yellow or white in color. They are sexually dimorphic in that males typically have a bright yellow colored throat, while females have a white colored throat, and the tympanum of the male is larger than the eye, while the female's is smaller than or the same size as the eye.Pale-colored underside. Bright green lips.
Status▲ Back to topIn recent years, it seems that the general populations of Mink frogs are in decline. In a 1999 study conducted by David Gardiner and David Hoppe it was noted that there was an increase in Mink frog deformites. "The spectrum of deformities includes missing limbs, truncated limbs, extra limbs , and skin webbings. We also describe a newly recognized malformation of the proximal-distal limb axis, a bony triangle. In this abnormality, the proximal and distal ends of the bone are adjacent to one another forming the base of a triangle. The shaft of the bone is bent double and protrudes laterally, the midpoint of the bone forming the apex of the triangle." The study comes to the conclusion that these deformities are a result of exposure to exogenous retinoids, but more study is needed to make a sure determination.
Behavior▲ Back to topThe Mink Frog is predominantly aquatic, living among the vegetation in ponds, swamps, and streams around wooded areas. They feed on a wide variety of things, including spiders, snails, beetles, and other invertebrates. As tadpoles they consume primarily algae and decaying plant matter.
Habitat▲ Back to topThe Mink Frog is predominantly aquatic, living among the vegetation in ponds, swamps, and streams around wooded areas. They feed on a wide variety of things, including spiders, snails, beetles, and other invertebrates. As tadpoles they consume primarily algae and decaying plant matter.
Reproduction▲ Back to topMating generally takes place in late spring and early summer. These frogs prefer cold, well-oxygenated wetland breeding sites where during the late night hours, but occasionally during the day, males call to attract females while floating on the water's surface or partially resting on floating vegetation. Between 500 and 4000 eggs can be laid by the female at any one time, generally in deep water. Egg masses are usually found close to floating vegetation and hatch within days of being deposited. Tadpoles remain in the larval stage for approximately one year before metamorphosing into froglets. Maturity is reached in a year for males, and two years for females.
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