Megophrys lekaguli is a species of frog

Frog

Frogs are amphibians in the order Anura , formerly referred to as Salientia . Most frogs are characterized by a short body, webbed digits , protruding eyes and the absence of a tail...

 belonging to the family Megophryidae

Megophryidae

Megophryidae are a large family of frogs native to the warm southeast of Asia, from the Himalaya foothills eastwards, south to Indonesia and the Greater Sunda Islands in Maritime Southeast Asia, and extending to the Philippines. As of mid-2008 it encompasses approximately 70-100 species of frog...

. It is only known from fast-flowing, rocky streams and their vicinity in Chanthaburi

Chanthaburi Province

Chanthaburi is a province of Thailand. It is located in the east of Thailand, at the border to Battambang and Pailin of Cambodia and the shore to the Gulf of Thailand...

 and Sa Kaeo Province

Sa Kaeo Province

Sa Kaeo is a province of Thailand.It is located in the east of Thailand. Neighboring provinces are Chanthaburi, Chachoengsao, Prachin Buri, Nakhon Ratchasima and Buri Ram...

s in Eastern Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

. The specific

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 name commemorates Thai zoologist and conservationist Dr Boonsong Lekagul

Boonsong Lekagul

Dr Boonsong Lekagul was a Thai medical doctor, biologist, ornithologist and conservationist.He was born at Songkhla in southern Thailand and received a medical degree from Chulalongkorn University in Bangkok in 1933. In 1935 he established Thailand’s first polyclinic in Bangkok...

.

Description

This is a medium-sized Megophrys, the female having a body length of up to 94 mm, the male up to 67 mm. The upperparts are light brown with darker markings, the flank is yellowish and the underside pinkish. The legs have black spots. The bluntly pointed snout projects distinctly beyond the lower jaw

Jaw

The jaw is any opposable articulated structure at the entrance of the mouth, typically used for grasping and manipulating food. The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it and is part of the body plan of...

. The species is most similar to Megophrys auralensis and Megophrys major but can be distinguished from the former by the smaller size of the male and the presence of teeth on the vomer

Vomer

The vomer is one of the unpaired facial bones of the skull. It is located in the midsagittal line, and articulates with the sphenoid, the ethmoid, the left and right palatine bones, and the left and right maxillary bones.-Biology:...

 and from the latter by lacking a pale stripe above the mouth and having a patterned (as opposed to plain) eyelid. The slender tadpole

Tadpole

A tadpole or polliwog is the wholly aquatic larval stage in the life cycle of an amphibian, particularly that of a frog or toad.- Appellation :...

has the mouth shaped like an upturned funnel, which is typical of the genus.