San Jose Cochran frog

Cochranella euknemos

''Cochranella euknemos'', sometimes known as the San Jose Cochran frog, is a species of frog in the family Centrolenidae. It is found in central Costa Rica and south/eastward to Panama and to the western flank of the Cordillera Occidental in Colombia .
A Fringe-Limbed Glassfrog (Cochranella euknemos) tadpole in a conservation breeding program. Cochranella euknemos, the Fringe-Limbed Glassfrog, inhabits wet forest from Costa Rica south to Colombia.  It is a member of the family Centrolenidae. Males call to females above flowing water.  Females prepared to breed go to calling males and a clutch of eggs is deposited on leaves above the water.  The hatching tadpoles fall into the water below.  Frogs of this family typically have translucent ventral surfaces through which the beating heart and all viscera can easily be observed.  This tadpole was produced in an amphibian conservation program in 2011, photographed in 2012. Centrolenidae,Cochranella euknemos,glass frog,parental care,reproductive modes,terrestrial egg deposition,the Fringe-Limbed Glassfrog

Appearance

''Cochranella euknemos'' are small frogs, males growing to 25 mm and females to 32 mm in snout–vent length. They are dorsally blue-green and a little granular, with many small whitish or yellowish spots. Ventrally they are transparent white, but with more yellow on the undersides of the arms and legs. Iris is grayish ivory. Feet are moderately webbed.

Status

The species' natural habitats are humid lowland, premontane, and montane forests. It occurs in bushes and trees along forest-covered streams. Its altitudinal range is 100–1,940 m asl in Colombia, slightly less elsewhere.

''Cochranella euknemos'' is generally threatened by deforestation in Panama, and east of the Panama Canal, chytridiomycosis. In Costa Rica it has declined and has not been seen since 1986, despite dedicated survey efforts, but the reasons for this decline are not currently known.

Habitat

The species' natural habitats are humid lowland, premontane, and montane forests. It occurs in bushes and trees along forest-covered streams. Its altitudinal range is 100–1,940 m asl in Colombia, slightly less elsewhere.

''Cochranella euknemos'' is generally threatened by deforestation in Panama, and east of the Panama Canal, chytridiomycosis. In Costa Rica it has declined and has not been seen since 1986, despite dedicated survey efforts, but the reasons for this decline are not currently known.

Reproduction

In Costa Rica, males call in May–November. Egg masses are gelatinous and laid on the tips of leaves overhanging streams.

References:

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Status: Least concern
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionChordata
ClassAmphibia
OrderAnura
FamilyCentrolenidae
GenusCochranella
SpeciesC. euknemos