Which type of large intestine worm was primarily studied by Ivan Mackerie?
Ivan Mackerle Ivan Mackerle (March 1942January 3, 2013) was a Czech cryptozoologist, author, design engineer, and explorer. He organized expeditions to search for the Loch Ness monster of Scotland, the Tasmanian tiger in Australia, and the elephant bird in Madagascar. He was most notable for his search of the Mongolian death worm, and he conducted three trips to Mongolia in 1990, 1992, and 2004. He authored numerous books and publications and from 1998 until 2002 he was chief editor of the Czech paranormal magazine "Fantastická fakta" ("Fantastic Facts").
Pale green eel The pale green eel ("Heteroconger digueti"), also known as the pale garden eel or the Cortez garden eel, is an eel in the family Congridae (conger/garden eels). It was described by Jacques Pellegrin in 1923, originally under the genus "Taenioconger". It is a nonmigratory marine, deepwater-dwelling eel which is known from the eastern central Pacific Ocean, including the Gulf of California and Mexico. It dwells at a depth of 230 to and inhabits sandy sediments near reefs in large colonies. Males can reach a maximum total length of 63 cm .