US EditionNew tarantula species so feisty that males may have evolved record-long genitalia to survive mating
YEMEN, AUG 4 – Male tarantulas of the newly established genus Satyrex have palps up to four times their body length to reduce risk from aggressive females during mating, researchers said.
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7 Articles
Male Tarantulas Evolved Record-Long Genitalia to Avoid Being Killed by Females
Newly identified male tarantulas with record-long genitalia prompted researchers to establish the genus Satyrex. Credit: Bobby Bok / CC BY 4.0 Scientists have identified four new species of tarantulas in the Arabian Peninsula and the Horn of Africa that exhibit a rare evolutionary trait: males with exceptionally long genitalia. The discovery about their reproductive appendages was significant enough to prompt the creation of a new genus, Satyrex…
In tarantulas, love is ruthless, and females do not hesitate to devour their partners. But it seems that some species have found an ingenious way to defy this cruel destiny.
A new species of tarantula is so aggressive that males could have developed genitals of a record length to survive the female after mating. Four new tarantula species have been discovered in the Arabian Peninsula and the Horn of Africa. But it is not any tarantula. "Based on morphological and molecular data, they are so different from their closest relatives that we had to establish a completely new genus to classify them, which we call Satyrex,…
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